RFC 6: createReactClass updates (#12036 )

* Added UNSAFE_ methods to create-class HAS_MANY list * Added warning for UNSAFE_componentWillRecieveProps misspelling * Bumping create-react-class package version * Added support for static getDerivedStateFromProps mixins
cherry pick radio input fix
2018-01-19 15:13:26 -08:00 · 2017-11-16 14:22:21 -05:00 · 2017-09-26 11:39:18 +01:00 · 2017-09-26 11:33:31 +01:00 · 2017-09-25 17:06:40 -07:00 · 2017-09-25 17:02:44 -07:00
1356 changed files with 152511 additions and 63079 deletions
--- a/.babelrc
+++ b/.babelrc
@@ -0,0 +1,28 @@
+{
+  "presets": ["react"],
+  "ignore": ["third_party"],
+  "plugins": [
+    "transform-class-properties",
+    "syntax-trailing-function-commas",
+    "transform-object-rest-spread",
+    "transform-es2015-template-literals",
+    "transform-es2015-literals",
+    "transform-es2015-arrow-functions",
+    "transform-es2015-block-scoped-functions",
+    ["transform-es2015-classes", { "loose": true }],
+    "transform-es2015-object-super",
+    "transform-es2015-shorthand-properties",
+    "transform-es2015-computed-properties",
+    "transform-es2015-for-of",
+    "check-es2015-constants",
+    ["transform-es2015-spread", { "loose": true }],
+    "transform-es2015-parameters",
+    ["transform-es2015-destructuring", { "loose": true }],
+    "transform-es2015-block-scoping",
+    "transform-es2015-modules-commonjs",
+    "transform-es3-member-expression-literals",
+    "transform-es3-property-literals",
+    "./scripts/babel/transform-object-assign-require",
+    "transform-react-jsx-source"
+  ]
+}
--- a/.editorconfig
+++ b/.editorconfig
@@ -6,6 +6,7 @@ charset = utf-8
 end_of_line = lf
 indent_size = 2
 indent_style = space
+insert_final_newline = true
 max_line_length = 80
 trim_trailing_whitespace = true

--- a/.eslintignore
+++ b/.eslintignore
@@ -0,0 +1,19 @@
+# We can probably lint these later but not important at this point
+addons/**/node_modules/
+src/renderers/art
+src/shared/vendor
+# But not in docs/_js/examples/*
+docs/_js/*.js
+docs/js/
+docs/_site/
+# gems
+docs/vendor/bundle/
+# This should be more like examples/**/thirdparty/** but
+# we should fix https://github.com/facebook/esprima/pull/85 first
+examples/
+fixtures/
+# Ignore built files.
+build/
+coverage/
+scripts/bench/bench-*.js
+vendor/*
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -0,0 +1,56 @@
+const OFF = 0;
+const WARNING = 1;
+const ERROR = 2;
+
+module.exports = {
+  extends: 'fbjs',
+
+  plugins: [
+    'react',
+    'react-internal',
+  ],
+
+  // We're stricter than the default config, mostly. We'll override a few rules
+  // and then enable some React specific ones.
+  rules: {
+    'accessor-pairs': OFF,
+    'brace-style': [ERROR, '1tbs'],
+    'comma-dangle': [ERROR, 'always-multiline'],
+    'consistent-return': OFF,
+    'dot-location': [ERROR, 'property'],
+    'dot-notation': ERROR,
+    'eol-last': ERROR,
+    'eqeqeq': [ERROR, 'allow-null'],
+    'indent': OFF, // We use Prettier now
+    'jsx-quotes': [ERROR, 'prefer-double'],
+    'keyword-spacing': [ERROR, {after: true, before: true}],
+    'no-bitwise': OFF,
+    'no-inner-declarations': [ERROR, 'functions'],
+    'no-multi-spaces': ERROR,
+    'no-restricted-syntax': [ERROR, 'WithStatement'],
+    'no-shadow': ERROR,
+    'no-unused-expressions': ERROR,
+    'no-unused-vars': [ERROR, {args: 'none'}],
+    'quotes': [ERROR, 'single', {avoidEscape: true, allowTemplateLiterals: true }],
+    'space-before-blocks': ERROR,
+    'space-before-function-paren': [ERROR, {anonymous: 'never', named: 'never'}],
+
+    // React & JSX
+    // Our transforms set this automatically
+    'react/jsx-boolean-value': [ERROR, 'always'],
+    'react/jsx-no-undef': ERROR,
+    // We don't care to do this
+    'react/jsx-sort-prop-types': OFF,
+    'react/jsx-uses-react': ERROR,
+    'react/no-is-mounted': OFF,
+    // This isn't useful in our test code
+    'react/react-in-jsx-scope': ERROR,
+    'react/self-closing-comp': ERROR,
+    // We don't care to do this
+    'react/wrap-multilines': [ERROR, {declaration: false, assignment: false}],
+
+    // CUSTOM RULES
+    // the second argument of warning/invariant should be a literal string
+    'react-internal/warning-and-invariant-args': ERROR,
+  }
+};
--- a/.flowconfig
+++ b/.flowconfig
@@ -0,0 +1,43 @@
+[ignore]
+
+<PROJECT_ROOT>/examples/.*
+<PROJECT_ROOT>/fixtures/.*
+<PROJECT_ROOT>/build/.*
+<PROJECT_ROOT>/node_modules/chrome-devtools-frontend/.*
+<PROJECT_ROOT>/.*/node_modules/chrome-devtools-frontend/.*
+<PROJECT_ROOT>/.*/node_modules/y18n/.*
+<PROJECT_ROOT>/.*/__mocks__/.*
+<PROJECT_ROOT>/.*/__tests__/.*
+<PROJECT_ROOT>/addons/.*
+
+# Ignore Docs
+<PROJECT_ROOT>/docs/.*
+<PROJECT_ROOT>/.*/docs/.*
+
+[include]
+
+[libs]
+./node_modules/fbjs/flow/lib/dev.js
+./flow
+
+[options]
+module.system=haste
+
+esproposal.class_static_fields=enable
+esproposal.class_instance_fields=enable
+
+munge_underscores=false
+
+suppress_type=$FlowIssue
+suppress_type=$FlowFixMe
+suppress_type=$FixMe
+suppress_type=$FlowExpectedError
+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe\\($\\|[^(]\\|(\\(>=0\\.\\(3[0-3]\\|[1-2][0-9]\\|[0-9]\\).[0-9]\\)? *\\(site=[a-z,_]*www[a-z,_]*\\)?)\\)
+suppress_comment=\\(.\\|\n\\)*\\$FlowIssue\\((\\(>=0\\.\\(3[0-3]\\|[1-2][0-9]\\|[0-9]\\).[0-9]\\)? *\\(site=[a-z,_]*www[a-z,_]*\\)?)\\)?:? #[0-9]+
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
+suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
+
+[version]
+^0.37.0
+
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,11 @@
+**Before submitting a pull request,** please make sure the following is done:
+
+1. Fork [the repository](https://github.com/facebook/react) and create your branch from `master`.
+2. If you've added code that should be tested, add tests!
+3. If you've changed APIs, update the documentation.
+4. Ensure the test suite passes (`npm test`).
+5. Make sure your code lints (`npm run lint`).
+6. Format your code with [prettier](https://github.com/prettier/prettier) (`npm run prettier`).
+7. Run the [Flow](https://flowtype.org/) typechecks (`npm run flow`).
+8. If you added or removed any tests, run `./scripts/fiber/record-tests` before submitting the pull request, and commit the resulting changes.
+9. If you haven't already, complete the CLA.
--- a/.gitignore
+++ b/.gitignore
@@ -7,14 +7,28 @@ static
 _SpecRunner.html
 __benchmarks__
 build/
+coverage/
 .module-cache
 *.gem
+docs/.bundle
 docs/code
 docs/_site
 docs/.sass-cache
 docs/js/*
-docs/downloads
+docs/downloads/*.zip
+docs/vendor/bundle
+<<<<<<< HEAD
 examples/shared/*.js
+examples/**/bundle.js
+=======
+fixtures/dom/public/react-dom.js
+fixtures/dom/public/react.js
+>>>>>>> 4a37718... Remove examples/ folder (#9323)
 test/the-files-to-test.generated.js
 *.log*
 chrome-user-data
+*.sublime-project
+*.sublime-workspace
+.idea
+*.iml
+.vscode
--- a/.jshintrc
+++ b/.jshintrc
@@ -1,21 +0,0 @@
-{
-  "node": true,
-
-  "boss": true,
-  "curly": true,
-  "devel": true,
-  "eqnull": true,
-  "expr": true,
-  "funcscope": true,
-  "globalstrict": true,
-  "loopfunc": true,
-  "newcap": false,
-  "noempty": true,
-  "nonstandard": true,
-  "onecase": true,
-  "sub": true,
-  "regexdash": true,
-  "trailing": true,
-  "undef": true,
-  "unused": "vars"
-}
--- a/.mailmap
+++ b/.mailmap
@@ -1,44 +1,119 @@
+Adam Timberlake <adam.timberlake@gmail.com>
+Alex Mykyta <dancingwithcows@gmail.com>
+Alex Pien <alexpien@gmail.com>
+Alex Pien <alexpien@gmail.com> <pien@pien-mbp.dhcp.thefacebook.com>
+Alex Pien <alexpien@gmail.com> <pien@pien-mbp.local>
+Andreas Savvides <asavvides@twitter.com> <AnSavvides@users.noreply.github.com>
+Andreas Savvides <asavvides@twitter.com> <andreas@nibbli.com>
+Andreas Svensson <andreas@syranide.com>
+Andres Suarez <zertosh@gmail.com>
+Andrew Kulakov <avk@8xx8.ru>
+Andrew Sokolov <asokolov@atlassian.com>
+Anto Aravinth <anto.aravinth.cse@gmail.com>
+Baraa Hamodi <bhamodi@uwaterloo.ca> <baraa@optimizely.com>
+Ben Alpert <ben@benalpert.com> <balpert@fb.com>
+Ben Alpert <ben@benalpert.com> <spicyjalapeno@gmail.com>
+Ben Halpern <bendhalpern@gmail.com>
 Ben Newman <bn@cs.stanford.edu> <benjamn@fb.com>
+Benjamin Woodruff <github@benjam.info> <bgw@fb.com>
 Bill Fisher <fisherwebdev@gmail.com>
+Blaine Kasten <blainekasten@gmail.com>
+Brandon Tilley <brandon@brandontilley.com>
+Changsoon Bok <winmain@gmail.com>
 Cheng Lou <chenglou92@gmail.com> <chenglou@fb.com>
+Christian Oliff <christianoliff@yahoo.com>
 Christoph Pojer <christoph.pojer@gmail.com>
 Christoph Pojer <christoph.pojer@gmail.com> <cpojer@fb.com>
 Connor McSheffrey <c@conr.me> <connor.mcsheffrey@gmail.com>
+Conor Hastings <hastings.conorm@gmail.com> <conor@socialtables.com>
 Dan Schafer <dschafer@fb.com>
 Daniel Gasienica <daniel@gasienica.ch> <daniel@fiftythree.com>
 Daniel Gasienica <daniel@gasienica.ch> <dgasienica@zynga.com>
+Daniel Hejl <daniel.hejl@hotmail.com>
 Daniel Lo Nigro <daniel@dan.cx> <danlo@fb.com>
+Dave Galbraith <dave@jut.io>
+Dennis Johnson <songawee@gmail.com>
+Dmitry Blues <dmitri.blyus@gmail.com>
+Dongsheng Liu <bellanchor@gmail.com>
+Erik Harper <eharper@mixpo.com>
 Evan Coonrod <evan@paloalto.com>
 Fabio M. Costa <fabiomcosta@gmail.com> <fabs@fb.com>
 Felix Kling <felix.kling@gmx.net> <fkling@fb.com>
 François-Xavier Bois <fxbois@gmail.com>
+Fyodor Ivanishchev <cbrwizard@gmail.com>
+Gabe Levi <gabelevi@gmail.com> <glevi@fb.com>
 Geert Pasteels <geert.pasteels@gmail.com>
 George A Sisco III <george.sisco@gmail.com>
+Georgii Dolzhykov <thorn.mailbox@gmail.com>
 Harry Hull <harry.hull1@gmail.com>
 Hendrik Swanepoel <hendrik.swanepoel@gmail.com>
+Hyeock Kwon <doublus@gmail.com>
+Ian Obermiller <ian@obermillers.com> <iano@fb.com>
+Ilia Pavlenkov <dortonway@gmail.com>
+Ilyá Belsky <gelias.gbelsky@gmail.com>
 Ingvar Stepanyan <me@rreverser.com> <rreverser@ubuntu.rreverser.a4.internal.cloudapp.net>
 Irae Carvalho <irae@irae.pro.br>
+Ivan Vergiliev <ivan.vergiliev@gmail.com>
+JJ Weber <jj.weber@gmail.com>
+Jae Hun Ro <jhr24@duke.edu>
 Jaime Mingo <j.mingov@3boll.com>
 James Brantly <james@jbrantly.com>
+Jan Hancic <jan.hancic@gmail.com> <jan.hancic@caplin.com>
 Jan Kassens <jan@kassens.net> <jkassens@fb.com>
 Jason Bonta <jbonta@gmail.com> <jasonbonta@fb.com>
+Jason Quense <monastic.panic@gmail.com>
 Jason Trill <jason@jasontrill.com>
+Jeff Chan <jefftchan@gmail.com> <jeff@quizlet.com>
 Jeff Morrison <jeff@anafx.com> <Jeff@anafx.com>
 Jeff Morrison <jeff@anafx.com> <jeffmo@fb.com>
+Jeff Morrison <jeff@anafx.com> <lbljeffmo@gmail.com>
 Jeffrey Lin <lin.jeffrey@gmail.com> <jeffreylin@fb.com>
+Jim Sproch <jsproch@fb.com>
+Jim Sproch <jsproch@fb.com> <jsfb@github>
+Jim Sproch <jsproch@fb.com> <none@no-reply.com>
+Jinwoo Oh <arkist@gmail.com>
+Jinxiu Lee <lee.jinxiu@gmail.com>
+Jiyeon Seo <zzzeons@gmail.com>
+Jon Chester <jonchester@fb.com>
+Jon Madison <jon@tfftech.com>
 Jonathan Hsu <jhiswin@gmail.com>
+Jonathan Persson <persson.jonathan@gmail.com> <jonathan.persson@creuna.se>
 Jordan Walke <jordojw@gmail.com>
 Jordan Walke <jordojw@gmail.com> <jordanjcw@fb.com>
+Joseph Savona <joesavona@fb.com> <josephsavona@users.noreply.github.com>
 Josh Duck <josh@fb.com> <github@joshduck.com>
+Juan Serrano <germ13@users.noreply.github.com>
 Jun Wu <quark@lihdd.net>
+Justin Robison <jrobison151@gmail.com>
 Keito Uchiyama <projects@keito.me> <keito@fb.com>
+Kevin Coughlin <kevintcoughlin@gmail.com> <kevincoughlin@tumblr.com>
+Krystian Karczewski <karcz.k@gmail.com>
 Kunal Mehta <k.mehta@berkeley.edu> <kunalm@fb.com>
 Laurence Rowe <l@lrowe.co.uk> <laurence@lrowe.co.uk>
+Marcin K. <katzoo@github.mail>
+Mark Anderson <undernewmanagement@users.noreply.github.com>
+Mark Funk <mfunk86@gmail.com> <mark@boomtownroi.com>
 Martin Andert <mandert@gmail.com>
 Mathieu M-Gosselin <mathieumg@gmail.com> <mathieumg@atx33.com>
+Matsunoki <himkt@klis.tsukuba.ac.jp>
+Matt Brookes <matt@brookes.net>
+Matt Dunn-Rankin <mdunnrankin@gmail.com> <matchu1993@gmail.com>
+Matt Zabriskie <mzabriskie@gmail.com>
+Matthew Johnston <matthewjohnston4@outlook.com> <matthewjohnston4@users.noreply.github.com>
+Matthew Looi <looi.matthew@gmail.com>
+Mattijs Kneppers <mattijs@arttech.nl>
+Max Heiber <max.heiber@gmail.com>
+Max Stoiber <contact@mstoiber.com>
 Michal Srb <xixixao@seznam.cz> xixixao <xixixao@seznam.cz>
+Michelle Todd <himichelletodd@gmail.com> <michelle@khanacademy.org>
+Mihai Parparita <mihai.parparita@gmail.com> <mihai@persistent.info>
+Minwe LUO <minwe@yunshipei.com>
+Murray M. Moss <murray@mmoss.name> <MMoss@cainc.com>
+Murray M. Moss <murray@mmoss.name> <mmoss@users.noreply.github.com>
+Neri Marschik <marschik_neri@cyberagent.co.jp>
 Nick Gavalas <njg57@cornell.edu>
 Nick Thompson <ncthom91@gmail.com> <nickt@instagram.com>
+Patrick Stapleton <github@gdi2290.com>
 Paul O’Shannessy <paul@oshannessy.com> <poshannessy@fb.com>
 Paul Shen <paul@mnml0.com> <paulshen@fb.com>
 Pete Hunt <floydophone@gmail.com>
@@ -48,15 +123,40 @@ Pete Hunt <floydophone@gmail.com> <phunt@instagram.com>
 Petri Lievonen <plievone@cc.hut.fi>
 Petri Lievonen <plievone@cc.hut.fi> <petri.lievonen@tkk.fi>
 Pieter Vanderwerff <me@pieter.io> <pieter@heyday.co.nz>
+Pouja Nikray <poujanik@gmail.com>
+Rainer Oviir <roviir@gmail.com> <raineroviir@rainers-MacBook-Pro.local>
 Ray <ray@tomo.im>
 Richard Feldman <richard.t.feldman@gmail.com> <richard@noredink.com>
 Richard Livesey <Livesey7@hotmail.co.uk>
+Rob Arnold <robarnold@cs.cmu.edu>
+Robert Binna <rbinna@gmail.com> <speedskater@users.noreply.github.com>
+Robin Frischmann <robin@rofrischmann.de>
 Sander Spies <sandermail@gmail.com>
+Scott Feeney <scott@oceanbase.org> <smf@fb.com>
 Sebastian Markbåge <sebastian@calyptus.eu> <sema@fb.com>
+Sergey Rubanov <chi187@gmail.com>
+Shogun Sea <shogunsea08@gmail.com> <xxin@groupon.com>
+Soichiro Kawamura <mail@w-st.com>
+Sota Ohara <ohrst.18@gmail.com>
+Steven Luscher <react@steveluscher.com> <github@steveluscher.com>
+Steven Luscher <react@steveluscher.com> <steveluscher@fb.com>
+Steven Luscher <react@steveluscher.com> <steveluscher@instagram.com>
+Steven Luscher <react@steveluscher.com> <steveluscher@users.noreply.github.com>
 Stoyan Stefanov <ssttoo@ymail.com>
+Tengfei Guo <terryr3rd@yeah.net> <tfguo369@gmail.com>
 Thomas Aylott <oblivious@subtlegradient.com> <aylott@fb.com>
 Timothy Yung <yungsters@gmail.com> <yungsters@fb.com>
+Tomoya Suzuki <tmysz.dev@gmail.com>
+Vasiliy Loginevskiy <Yeti.or@gmail.com>
+Vasiliy Loginevskiy <Yeti.or@gmail.com> <yeti-or@yandex-team.ru>
 Vjeux <vjeuxx@gmail.com>
 Vjeux <vjeuxx@gmail.com> <vjeux@fb.com>
 Volkan Unsal <spocksplanet@gmail.com>
+Wander Wang <wander.wang@ismole.com>
+Xavier Morel <xmo-odoo@users.noreply.github.com>
+YouBao Nong <noyobo@gmail.com> <nongyoubao@alibaba-inc.com>
+Yutaka Nakajima <nakazye@gmail.com>
 Zach Bruggeman <mail@bruggie.com> <zbruggeman@me.com>
+iawia002 <z2d@jifangcheng.com> <850127508@qq.com>
+元彦 <yuanyan@users.noreply.github.com>
+张敏 <cookfront@gmail.com>
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,55 +1,129 @@
 ---
+sudo: required
+dist: trusty
 language: node_js
 node_js:
- '0.10'
+- 4
+rvm:
+- 2.2.3
 cache:
  directories:
+  - docs/vendor/bundle
  - node_modules
+before_install:
+- |
+    if [ "$TEST_TYPE" != build_website ] && \
+      ! git diff --name-only $TRAVIS_COMMIT_RANGE | grep -qvE '(\.md$)|(^(docs|examples))/'
+    then
+      echo "Only docs were updated, stopping build process."
+      exit
+    fi
+    npm install -g npm@latest-2
+    npm --version
 script:
 - |
-    grunt $TEST_TYPE
-after_script:
- |
-    if [ "$TEST_TYPE" = test ] && [ "$SERVER" ]; then
-      grunt build
-      curl \
-        -F "react=@build/react.js" \
-        -F "react.min=@build/react.min.js" \
-        -F "transformer=@build/JSXTransformer.js" \
-        -F "react-with-addons=@build/react-with-addons.js" \
-        -F "react-with-addons.min=@build/react-with-addons.min.js" \
-        -F "npm-react=@build/react.tgz" \
-        -F "npm-react-tools=@build/react-tools.tgz" \
-        -F "commit=$TRAVIS_COMMIT" \
-        -F "date=`git log --format='%ct' -1`" \
-        -F "pull_request=$TRAVIS_PULL_REQUEST" \
-        -F "token=$SECRET_TOKEN" \
-        -F "branch=$TRAVIS_BRANCH" \
-        $SERVER
+    if [ "$TEST_TYPE" = build_website ]; then
+      if [ "$TRAVIS_BRANCH" = "$REACT_WEBSITE_BRANCH" ] && [ "$TRAVIS_PULL_REQUEST" = false ]; then
+        set -e
+
+        GH_PAGES_DIR="$TRAVIS_BUILD_DIR"/../react-gh-pages
+        echo "machine github.com login reactjs-bot password $GITHUB_TOKEN" >~/.netrc
+        git config --global user.name "$GITHUB_USER_NAME"
+        git config --global user.email "$GITHUB_USER_EMAIL"
+
+        git clone --branch gh-pages --depth=50 \
+          https://reactjs-bot@github.com/facebook/react.git \
+          $GH_PAGES_DIR
+        pushd docs
+        bundle install --jobs=3 --retry=3 --path=vendor/bundle
+        bundle exec rake release
+        cd $GH_PAGES_DIR
+        git status
+        if test -n "$(git status --porcelain)"; then
+          git add -A .
+          git commit -m "Rebuild website"
+          git push origin gh-pages
+        fi
+        popd
+      fi
+    elif [ "$TEST_TYPE" = build ]; then
+      if [ "$SERVER" ]; then
+        set -e
+        ./node_modules/.bin/grunt build
+        curl \
+          -F "react=@build/react.js" \
+          -F "react.min=@build/react.min.js" \
+          -F "react-with-addons=@build/react-with-addons.js" \
+          -F "react-with-addons.min=@build/react-with-addons.min.js" \
+          -F "react-dom=@build/react-dom.js" \
+          -F "react-dom.min=@build/react-dom.min.js" \
+          -F "react-dom-server=@build/react-dom-server.js" \
+          -F "react-dom-server.min=@build/react-dom-server.min.js" \
+          -F "npm-react=@build/packages/react.tgz" \
+          -F "npm-react-dom=@build/packages/react-dom.tgz" \
+          -F "npm-react-native=@build/packages/react-native-renderer.tgz" \
+          -F "commit=$TRAVIS_COMMIT" \
+          -F "date=`git log --format='%ct' -1`" \
+          -F "pull_request=$TRAVIS_PULL_REQUEST" \
+          -F "token=$SECRET_TOKEN" \
+          -F "branch=$TRAVIS_BRANCH" \
+          $SERVER
+      fi
+    elif [ "$TEST_TYPE" = test ]; then
+      set -e
+      ./node_modules/.bin/grunt jest:coverage
+      cat ./coverage/lcov.info | ./node_modules/.bin/coveralls
+
+      echo 'Testing in server-render (HTML generation) mode...'
+      printf '\nmodule.exports.useCreateElement = false;\n' \
+        >> src/renderers/dom/shared/ReactDOMFeatureFlags.js
+      ./node_modules/.bin/grunt jest:normal
+      git checkout -- src/renderers/dom/shared/ReactDOMFeatureFlags.js
+
+      echo 'Testing in fiber mode...'
+      printf '\nmodule.exports.useFiber = true;\n' \
+        >> src/renderers/dom/shared/ReactDOMFeatureFlags.js
+      FIBER_TESTS=`\
+        NODE_ENV=test node node_modules/jest/bin/jest --json | \
+        node -e "\
+          var data = JSON.parse(require('fs').readFileSync('/dev/stdin', 'utf8')); \
+          console.log(data.numPassedTests + '/' + data.numTotalTests)\
+        "\
+      `
+      git checkout -- src/renderers/dom/shared/ReactDOMFeatureFlags.js
+      node scripts/facts-tracker/index.js \
+        "fiber-tests" "$FIBER_TESTS"
+
+      ./node_modules/.bin/gulp react:extract-errors
+    elif [ "$TEST_TYPE" = flow ]; then
+      set -e
+      ./node_modules/.bin/grunt flow
+
+      ALL_FILES=`find src -name '*.js' | grep -v umd/ | grep -v __tests__ | grep -v __mocks__`
+      COUNT_ALL_FILES=`echo "$ALL_FILES" | wc -l`
+      COUNT_WITH_FLOW=`grep '@flow' $ALL_FILES | perl -pe 's/:.+//' | wc -l`
+      node scripts/facts-tracker/index.js \
+        "flow-files" "$COUNT_WITH_FLOW/$COUNT_ALL_FILES"
+
+    else
+      ./node_modules/.bin/grunt $TEST_TYPE
    fi
 env:
  matrix:
+  - TEST_TYPE=build
  - TEST_TYPE=test
  - TEST_TYPE=lint
-  - TEST_TYPE=test:webdriver:saucelabs:modern
+  - TEST_TYPE=flow
+  - TEST_TYPE=build_website
  global:
  # SERVER
  - secure: qPvsJ46XzGrdIuPA70b55xQNGF8jcK7N1LN5CCQYYocXLa+fBrl+fTE77QvehOPhqwJXcj6kOxI+sY0KrVwV7gmq2XY2HZGWUSCxTN0SZlNIzqPA80Y7G/yOjA4PUt8LKgP+8tptyhTAY56qf+hgW8BoLiKOdztYF2p+3zXOLuA=
  # SECRET_TOKEN
  - secure: dkpPW+VnoqC/okhRdV90m36NcyBFhcwEKL3bNFExAwi0dXnFao8RoFlvnwiPlA23h2faROkMIetXlti6Aju08BgUFV+f9aL6vLyU7gUent4Nd3413zf2fwDtXIWIETg6uLnOpSykGKgCAT/hY3Q2oPLqOoY0OxfgnbqwxkxljrE=
-matrix:
-  fast_finish: true
-  allow_failures:
-    - env: TEST_TYPE=lint
-    - env: TEST_TYPE=test:coverage
-    - env: TEST_TYPE=perf:full
-    - env: TEST_TYPE=test:webdriver:saucelabs:modern
-    - env: TEST_TYPE=test:webdriver:saucelabs BROWSER_NAME=ie11
-    - env: TEST_TYPE=test:webdriver:saucelabs BROWSER_NAME=ie10
-    - env: TEST_TYPE=test:webdriver:saucelabs BROWSER_NAME=ie9
-    - env: TEST_TYPE=test:webdriver:saucelabs BROWSER_NAME=ie8
-    - env: TEST_TYPE=test:webdriver:saucelabs:ios
-    - env: TEST_TYPE=test:webdriver:saucelabs BROWSER_NAME=safari
+  # GITHUB_TOKEN
+  - secure: EHCyCSKMwKlLHNtcj9nmkRzmiiPE3aDGlPcnEyrDJeRI0SeN/iCXHXfFivR0vFq3vr+9naMBczAR2AEidtps5KbJrKqdZnjPFRbmfVtzWr/LlvVCub3u13Pub6TdKIVBTny1PuZ5X8GvdxMNVig89jGjvzhhWuQRaz3VhJnTra4=
+  # COVERALLS_TOKEN
+  - secure: h/cUq+TrUMZOQmkFD7CvuwX0uAwmjIfKZ4qSUzY+QzUtDzOzA0L/XF84xTBq1Q5YYsEiaoF6GxxGCdrLQiBA/ZTd+88UHgeZPMRvi0xG9Q+PeePVOsZMTxy4/WWFgOfSQCk49Mj9zizGgO78i6vxq+SDXMtFHnZ+TpPJIEW6/m0=
 notifications:
  irc:
    use_notice: true
--- a/522
+++ b/522
@@ -1,178 +1,696 @@
+839 <8398a7@gmail.com>
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+Adam Mark <adammark75@gmail.com>
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+Adam Zapletal <adamzap@gmail.com>
+Ahmad Wali Sidiqi <wali-s@users.noreply.github.com>
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+Alex <ultrafez@users.noreply.github.com>
+Alex Boatwright <drdelambre@gmail.com>
+Alex Boyd <alex@opengroove.org>
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+Alexander Tseung <alextsg@gmail.com>
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+Alexey Raspopov <avenger7x13@gmail.com>
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+Andre Z Sanchez <andrezacsanchez@gmail.com>
+Andreas Savvides <asavvides@twitter.com>
 Andreas Svensson <andreas@syranide.com>
+Andres Kalle <mjomble@gmail.com>
+Andres Suarez <zertosh@gmail.com>
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+Anto Aravinth <anto.aravinth.cse@gmail.com>
+Antonio Ruberto <anto.ruberto@gmail.com>
+Antti Ahti <antti.ahti@gmail.com>
+Anuj Tomar <ankuto@gmail.com>
+AoDev <AoDev@users.noreply.github.com>
+April Arcus <april.arcus@gmail.com>
+Areeb Malik <areeb.malik91@gmail.com>
+Aria Buckles <aria@khanacademy.org>
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+Arian Faurtosh <arian@icloud.com>
+Artem Nezvigin <artem@artnez.com>
+Austin Wright <aaa@bzfx.net>
 Ayman Osman <aymano.osman@gmail.com>
-Ben Alpert <spicyjalapeno@gmail.com>
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 Ben Newman <bn@cs.stanford.edu>
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+Bobby <puppybytes@gmail.com>
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+Cam Song <neosoyn@gmail.com>
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+Cameron Chamberlain <git@camjc.com>
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 Cassus Adam Banko <banko.adam@gmail.com>
 Cat Chen <catchen@fb.com>
+Cedric Sohrauer <cedric.sohrauer@infopark.de>
+Cesar William Alvarenga <cesarwbr@gmail.com>
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+Chase Adams <realchaseadams@gmail.com>
 Cheng Lou <chenglou92@gmail.com>
+Chitharanjan Das <das.chitharanjan@gmail.com>
+Chris Bolin <bolin.chris@gmail.com>
+Chris Grovers <chrisgrovers@users.noreply.github.com>
+Chris Ha <chriskevinha@gmail.com>
+Chris Rebert <github@rebertia.com>
+Chris Sciolla <csciolla1@gmail.com>
+Christian Alfoni <christianalfoni@gmail.com>
+Christian Oliff <christianoliff@yahoo.com>
 Christian Roman <chroman16@gmail.com>
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 Christopher Monsanto <chris@monsan.to>
 Clay Allsopp <clay.allsopp@gmail.com>
 Connor McSheffrey <c@conr.me>
+Conor Hastings <hastings.conorm@gmail.com>
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 Dan Schafer <dschafer@fb.com>
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 Daniel Gasienica <daniel@gasienica.ch>
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 Daniel Lo Nigro <daniel@dan.cx>
+Daniel Mané <danmane@gmail.com>
 Daniel Miladinov <dmiladinov@wingspan.com>
+Daniel Rodgers-Pryor <djrodgerspryor@gmail.com>
 Daniel Schonfeld <daniel@schonfeld.org>
 Danny Ben-David <dannybd@fb.com>
+Darcy <smadad@me.com>
 Daryl Lau <daryl@weak.io>
+Darío Javier Cravero <dario@uxtemple.com>
+Dave Galbraith <dave@jut.io>
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 Dmitry Mazuro <dmitry.mazuro@icloud.com>
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+Don Abrams <donabrams@gmail.com>
+Dongsheng Liu <bellanchor@gmail.com>
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 Dustin Getz <dgetz@wingspan.com>
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+Eduardo Garcia <emumaniacx@gmail.com>
+Edvin Erikson <edvin@rocketblast.com>
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 Enguerran <engcolson@gmail.com>
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+Eric Eastwood <contact@ericeastwood.com>
 Eric Florenzano <floguy@gmail.com>
+Eric O'Connell <eric.oconnell@idealist.org>
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 Fred Zhao <fredz@fb.com>
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+Fyodor Ivanishchev <cbrwizard@gmail.com>
 G Scott Olson <gscottolson@gmail.com>
+G. Kay Lee <balancetraveller+github@gmail.com>
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+Gajus Kuizinas <g.kuizinas@anuary.com>
+Gareth Nicholson <gareth.nic@gmail.com>
+Garren Smith <garren.smith@gmail.com>
+Gavin McQuistin <gavin@kickfiredesign.com>
 Geert Pasteels <geert.pasteels@gmail.com>
 Geert-Jan Brits <gbrits@gmail.com>
 George A Sisco III <george.sisco@gmail.com>
+Georgii Dolzhykov <thorn.mailbox@gmail.com>
 Gilbert <gilbertbgarza@gmail.com>
+Glen Mailer <glenjamin@gmail.com>
+Grant Timmerman <granttimmerman@gmail.com>
 Greg Hurrell <glh@fb.com>
+Greg Perkins <gregrperkins@fb.com>
 Greg Roodt <groodt@gmail.com>
+Gregory <g.marcilhacy@gmail.com>
 Guangqiang Dong <gqdong@fb.com>
 Guido Bouman <m@guido.vc>
 Harry Hull <harry.hull1@gmail.com>
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+Henrik Nyh <henrik@nyh.se>
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+Huang-Wei Chang <chang.huangwei.01@gmail.com>
+Hugo Agbonon <hugo@agbonon.fr>
 Hugo Jobling <me@thisishugo.com>
-Ian Obermiller <iano@fb.com>
+Hyeock Kwon <doublus@gmail.com>
+Héliton Nordt <hnordt@hnordt.com>
+Ian Obermiller <ian@obermillers.com>
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 Irae Carvalho <irae@irae.pro.br>
 Isaac Salier-Hellendag <isaac@fb.com>
+Iurii Kucherov <yuyokk@gmail.com>
 Ivan Kozik <ivan@ludios.org>
+Ivan Krechetov <ikr@ikr.su>
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+J. Andrew Brassington <jabbrass@zoho.com>
+J. Renée Beach <splendidnoise@gmail.com>
+JD Isaacks <jd@jisaacks.com>
+JJ Weber <jj.weber@gmail.com>
+JW <JW00000@gmail.com>
+Jack Zhang <jzhang31191@gmail.com>
+Jackie Wung <jacquelinewung@gmail.com>
+Jacob Gable <jacob.gable@gmail.com>
+Jacob Greenleaf <jake@imgur.com>
+Jae Hun Ro <jhr24@duke.edu>
+Jaeho Lee <me@jaeholee.org>
 Jaime Mingo <j.mingov@3boll.com>
+Jake Worth <jakeworth82@gmail.com>
 Jakub Malinowski <jakubmal@gmail.com>
+James <james@mystrata.com>
 James Brantly <james@jbrantly.com>
+James Burnett <jtburnett@tribune.com>
+James Friend <james@jsdf.co>
 James Ide <ide@fb.com>
+James Long <longster@gmail.com>
+James Pearce <jpearce@fb.com>
+James Seppi <james.seppi@gmail.com>
+James South <james_south@hotmail.com>
+James Wen <jrw2175@columbia.edu>
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+Jamis Charles <jacharles@paypal.com>
 Jamison Dance <jergason@gmail.com>
+Jan Hancic <jan.hancic@gmail.com>
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+Jan Raasch <jan@janraasch.com>
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+Jason <usaman2010us@gmail.com>
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+Jason Ly <jason.ly@gmail.com>
+Jason Miller <aidenn0@geocities.com>
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 Jeff Morrison <jeff@anafx.com>
 Jeff Welch <whatthejeff@gmail.com>
 Jeffrey Lin <lin.jeffrey@gmail.com>
+Jeremy Fairbank <elpapapollo@gmail.com>
+Jesse Skinner <jesse@thefutureoftheweb.com>
 Jignesh Kakadiya <jigneshhk1992@gmail.com>
+Jim OBrien <jimobrien930@gmail.com>
+Jim Sproch <jsproch@fb.com>
+Jimmy Jea <jimjea@gmail.com>
 Jing Chen <jingc@fb.com>
+Jinwoo Oh <arkist@gmail.com>
+Jinxiu Lee <lee.jinxiu@gmail.com>
+Jiyeon Seo <zzzeons@gmail.com>
+Jody McIntyre <scjody@modernduck.com>
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+Jon Hester <jon.d.hester@gmail.com>
+Jon Madison <jon@tfftech.com>
+Jon Scott Clark <jonscottclark@gmail.com>
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 Jonas Gebhardt <jonas@instagram.com>
 Jonathan Hsu <jhiswin@gmail.com>
+Jonathan Persson <persson.jonathan@gmail.com>
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+Jorrit Schippers <jorrit@ncode.nl>
+Joseph Nudell <joenudell@gmail.com>
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+Josh Perez <josh.perez@airbnb.com>
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+Joshua Evans <joshua.evans@quantified.co>
+Joshua Go <joshuago@gmail.com>
+Joshua Goldberg <jsgoldberg90@gmail.com>
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+João Valente <filipevalente@gmail.com>
+Juan Serrano <germ13@users.noreply.github.com>
 Julen Ruiz Aizpuru <julenx@gmail.com>
+Julian Viereck <julian.viereck@gmail.com>
+Julien Bordellier <git@julienbordellier.com>
+Julio Lopez <ljuliom@gmail.com>
 Jun Wu <quark@lihdd.net>
 Juraj Dudak <jdudak@fb.com>
+Justas Brazauskas <brazauskasjustas@gmail.com>
 Justin Jaffray <justinjaffray@khanacademy.org>
+Justin Robison <jrobison151@gmail.com>
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 Karl Mikkelsen <karl@kingkarl.com>
+Karpich Dmitry <karpich@gollard.ru>
 Keito Uchiyama <projects@keito.me>
+Ken Powers <ken@kenpowers.net>
+Kent C. Dodds <kent@doddsfamily.us>
+Kevin Cheng <09chengk@gmail.com>
+Kevin Coughlin <kevintcoughlin@gmail.com>
+Kevin Huang <huang.kev@gmail.com>
+Kevin Lau <thekevlau@gmail.com>
+Kevin Old <kevin@kevinold.com>
+Kevin Robinson <krobinson@twitter.com>
+Kewei Jiang <jkewei328@hotmail.com>
+Kier Borromeo <seraphipod@gmail.com>
+KimCoding <jeokrang@hanmail.net>
+Kirk Steven Hansen <hanski07@kirk-hansens-macbook.local>
 Kit Randel <kit@nocturne.net.nz>
+Kohei TAKATA <kt.koheitakata@gmail.com>
+Koo Youngmin <youngmin@youngminz.kr>
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 Kunal Mehta <k.mehta@berkeley.edu>
+Kurt Ruppel <me@kurtruppel.com>
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 Kyle Mathews <mathews.kyle@gmail.com>
 Laurence Rowe <l@lrowe.co.uk>
+Laurent Etiemble <laurent.etiemble@monobjc.net>
+Lee Byron <lee@leebyron.com>
+Lee Jaeyoung <jaeyoung@monodiary.net>
+Lei <tendant@gmail.com>
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+Leonardo YongUk Kim <dalinaum@gmail.com>
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 Levi McCallum <levi@levimccallum.com>
 Lily <qvang.j@gmail.com>
 Logan Allen <loganfynne@gmail.com>
+Lovisa Svallingson <lovisasvallingson@gmail.com>
+Ludovico Fischer <livrerie@gmail.com>
 Luigy Leon <luichi.19@gmail.com>
+Luke Horvat <lukehorvat@gmail.com>
+MIKAMI Yoshiyuki <yoshuki@saikyoline.jp>
+Maher Beg <maherbeg@gmail.com>
+Manas <prometheansacrifice@gmail.com>
+Marcin K. <katzoo@github.mail>
 Marcin Kwiatkowski <marcin.kwiatkowski@hotmail.com>
 Marcin Szczepanski <marcins@gmail.com>
 Mariano Desanze <protronm@gmail.com>
+Marjan <marjan.georgiev@gmail.com>
+Mark Anderson <undernewmanagement@users.noreply.github.com>
+Mark Funk <mfunk86@gmail.com>
+Mark Hintz <markohintz@gmail.com>
+Mark IJbema <markijbema@gmail.com>
+Mark Murphy <murphy.mark@live.ca>
 Mark Richardson <echo@fb.com>
+Mark Rushakoff <mark@influxdb.com>
+Mark Sun <sunmark14@gmail.com>
+Marlon Landaverde <milanlandaverde@gmail.com>
 Marshall Roch <mroch@fb.com>
 Martin Andert <mandert@gmail.com>
+Martin Hujer <mhujer@gmail.com>
+Martin Jul <martin@mjul.com>
 Martin Konicek <mkonicek@fb.com>
+Martin Mihaylov <martomi@users.noreply.github.com>
+Masaki KOBAYASHI <makky.4d6b.3f5@gmail.com>
 Mathieu M-Gosselin <mathieumg@gmail.com>
+Mathieu Savy <savy.mathieu@gmail.com>
+Matias Singers <mail@matiassingers.com>
+Matsunoki <himkt@klis.tsukuba.ac.jp>
+Matt Brookes <matt@brookes.net>
+Matt Dunn-Rankin <mdunnrankin@gmail.com>
 Matt Harrison <mt.harrison86@gmail.com>
+Matt Huggins <matt.huggins@gmail.com>
+Matt Stow <matt.stow@foxsports.com.au>
+Matt Zabriskie <mzabriskie@gmail.com>
 Matthew Dapena-Tretter <m@tthewwithanm.com>
+Matthew Herbst <mherbst@chegg.com>
+Matthew Hodgson <matthew@matrix.org>
+Matthew Johnston <matthewjohnston4@outlook.com>
+Matthew King <mking@users.noreply.github.com>
+Matthew Looi <looi.matthew@gmail.com>
+Matthew Miner <matthew@matthewminer.com>
+Matthias Le Brun <mlbli@me.com>
 Matti Nelimarkka <matti.nelimarkka@hiit.fi>
+Mattijs Kneppers <mattijs@arttech.nl>
+Max F. Albrecht <1@178.is>
+Max Heiber <max.heiber@gmail.com>
+Max Stoiber <contact@mstoiber.com>
+Maxi Ferreira <charca@gmail.com>
+Maxim Abramchuk <MaximAbramchuck@gmail.com>
+Merrick Christensen <merrick.christensen@gmail.com>
+Mert Kahyaoğlu <mertkahyaoglu93@gmail.com>
+Michael Chan <mijoch@gmail.com>
+Michael McDermott <michael@mgmcdermott.com>
+Michael Randers-Pehrson <michael.rp@gmail.com>
+Michael Ridgway <mridgway@yahoo-inc.com>
+Michael Warner <MichaelJWarner@hotmail.com>
+Michael Wiencek <mwtuea@gmail.com>
+Michael Ziwisky <mikezx@gmail.com>
 Michal Srb <xixixao@seznam.cz>
+Michelle Todd <himichelletodd@gmail.com>
+Mihai Parparita <mihai.parparita@gmail.com>
+Mike D Pilsbury <mike.pilsbury@gmail.com>
+Mike Groseclose <mike.groseclose@gmail.com>
+Mike Nordick <mnordick>
+Mikolaj Dadela <mikolaj.dadela@hgv-online.de>
+Miles Johnson <mileswjohnson@gmail.com>
+Minwe LUO <minwe@yunshipei.com>
+Miorel Palii <miorel@fb.com>
+Morhaus <alexandre.kirszenberg@gmail.com>
+Moshe Kolodny <kolodny.github@gmail.com>
 Mouad Debbar <mdebbar@fb.com>
+Murad <rogozhnikoff@users.noreply.github.com>
+Murray M. Moss <murray@mmoss.name>
 Nadeesha Cabral <nadeesha.cabral@gmail.com>
+Naman Goel <naman34@gmail.com>
 Nate Hunzaker <nate.hunzaker@gmail.com>
+Nate Lee <nathaniel.jy.lee88@gmail.com>
+Nathan Smith <NogsMPLS@users.noreply.github.com>
+Nathan White <nw@nwhite.net>
+Nee <944316342@qq.com>
+Neri Marschik <marschik_neri@cyberagent.co.jp>
+Nguyen Truong Duy <truongduy134@yahoo.com>
 Nicholas Bergson-Shilcock <me@nicholasbs.net>
+Nicholas Clawson <nickclaw@users.noreply.github.com>
+Nick Balestra <nickbalestra@users.noreply.github.com>
+Nick Fitzgerald <fitzgen@gmail.com>
 Nick Gavalas <njg57@cornell.edu>
+Nick Merwin <nick@lemurheavy.com>
+Nick Presta <nick@nickpresta.ca>
+Nick Raienko <enaqxx@gmail.com>
 Nick Thompson <ncthom91@gmail.com>
+Nick Williams <WickyNilliams@users.noreply.github.com>
 Niklas Boström <nbostrom@gmail.com>
+Ning Xia <ning-github@users.noreply.github.com>
+Niole Nelson <niolenelson@gmail.com>
+Oiva Eskola <oiva.eskola@gmail.com>
+Oleg <o.yanchinskiy@gmail.com>
+Oleksii Markhovskyi <olexiy.markhovsky@gmail.com>
+Oliver Zeigermann <oliver.zeigermann@gmail.com>
+Olivier Tassinari <Olivier.tassinari@gmail.com>
 Owen Coutts <owenc@fb.com>
+Pablo Lacerda de Miranda <pablolm@yahoo-inc.com>
+Paolo Moretti <moretti@users.noreply.github.com>
 Pascal Hartig <passy@twitter.com>
+Patrick <info@telepark.de>
+Patrick Laughlin <patrick@laughl.info>
+Patrick Stapleton <github@gdi2290.com>
+Paul Benigeri <me@benigeri.com>
+Paul Harper <benekastah@gmail.com>
 Paul O’Shannessy <paul@oshannessy.com>
 Paul Seiffert <paul.seiffert@gmail.com>
 Paul Shen <paul@mnml0.com>
+Pedro Nauck <pedronauck@gmail.com>
 Pete Hunt <floydophone@gmail.com>
+Peter Blazejewicz <peter.blazejewicz@gmail.com>
 Peter Cottle <pcottle@fb.com>
+Peter Jaros <peter.a.jaros@gmail.com>
+Peter Newnham <peter.newnham@appsbroker.com>
+Petri Lehtinen <petri@digip.org>
 Petri Lievonen <plievone@cc.hut.fi>
 Pieter Vanderwerff <me@pieter.io>
+Pouja Nikray <poujanik@gmail.com>
+Prathamesh Sonpatki <csonpatki@gmail.com>
+Prayag Verma <prayag.verma@gmail.com>
+Preston Parry <ClimbsRocks@users.noreply.github.com>
+Rafael <rafael.garcia@clever.com>
+Rafal Dittwald <rafal.dittwald@gmail.com>
+Rainer Oviir <roviir@gmail.com>
+Rajat Sehgal <rajatsehgal1988@gmail.com>
 Rajiv Tirumalareddy <rajivtreddy@gmail.com>
+Ram Kaniyur <quadrupleslap@users.noreply.github.com>
 Randall Randall <randall@randallsquared.com>
 Ray <ray@tomo.im>
+Raymond Ha <raymond@shraymonks.com>
+Reed Loden <reed@reedloden.com>
+Remko Tronçon <git@el-tramo.be>
 Richard D. Worth <rdworth@gmail.com>
 Richard Feldman <richard.t.feldman@gmail.com>
+Richard Kho <hello@richardkho.com>
+Richard Littauer <richard.littauer@gmail.com>
 Richard Livesey <Livesey7@hotmail.co.uk>
+Richard Wood <rwoodnz@gmail.com>
+Rick Beerendonk <rick@beerendonk.com>
+Rick Ford <rickfordrick@gmail.com>
+Riley Tomasek <riley.tomasek@gmail.com>
+Rob Arnold <robarnold@cs.cmu.edu>
+Robert Binna <rbinna@gmail.com>
+Robert Knight <robert.knight@mendeley.com>
+Robert Sedovsek <robert.sedovsek@gmail.com>
+Robin Berjon <robin@berjon.com>
+Robin Frischmann <robin@rofrischmann.de>
+Roman Pominov <rpominov+github@gmail.com>
+Roman Vanesyan <roman.vanesyan@gmail.com>
+Russ <russwirtz@gmail.com>
 Ryan Seddon <seddon.ryan@gmail.com>
 Sahat Yalkabov <sakhat@gmail.com>
+Saif Hakim <saif@benchling.com>
+Saiichi Hashimoto <saiichihashimoto@gmail.com>
+Sam Beveridge <sbeveridge@saltstack.com>
+Sam Saccone <samccone@gmail.com>
+Sam Selikoff <sam.selikoff@gmail.com>
+Samy Al Zahrani <samy@sadeem.net>
 Sander Spies <sandermail@gmail.com>
+Scott Burch <scott@bulldoginfo.com>
+Scott Feeney <scott@oceanbase.org>
 Sean Kinsey <oyvind@fb.com>
 Sebastian Markbåge <sebastian@calyptus.eu>
+Sebastian McKenzie <sebmck@gmail.com>
+Seoh Char <devthewild@gmail.com>
+Sercan Eraslan <sercan.eraslan@sahibinden.com>
+Serg <undrdog@yandex.ru>
+Sergey Generalov <sergey@genbit.ru>
+Sergey Rubanov <chi187@gmail.com>
+Seyi Adebajo <hello@seyinanigans.com>
+Shane O'Sullivan <shaneosullivan1@gmail.com>
 Shaun Trennery <shaun.trennery@gmail.com>
+ShihChi Huang <hhuang@netflix.com>
+Shim Won <marocchino@gmail.com>
+Shinnosuke Watanabe <snnskwtnb@gmail.com>
+Shogun Sea <shogunsea08@gmail.com>
+Shota Kubota <kubosho@users.noreply.github.com>
+Shripad K <assortmentofsorts@gmail.com>
+Sibi <psibi2000@gmail.com>
+Simen Bekkhus <sbekkhus91@gmail.com>
 Simon Højberg <r.hackr@gmail.com>
+Simon Welsh <simon@simon.geek.nz>
+Simone Vittori <hello@simonewebdesign.it>
+Soichiro Kawamura <mail@w-st.com>
+Sophia Westwood <sophia@quip.com>
+Sota Ohara <ohrst.18@gmail.com>
+Spencer Handley <spencerhandley@gmail.com>
 Stefan Dombrowski <sdo451@gmail.com>
 Stephen Murphy <smurphy3@apple.com>
+Sterling Cobb <sterlingcobb@gmail.com>
+Steve Baker <_steve_@outlook.com>
+Steven Luscher <react@steveluscher.com>
+Steven Vachon <contact@svachon.com>
 Stoyan Stefanov <ssttoo@ymail.com>
 Sundeep Malladi <sundeep.malladi@gmail.com>
+Sunny Juneja <me@sunnyjuneja.com>
 Sven Helmberger <fforw@gmx.de>
+Sverre Johansen <sverre.johansen@gmail.com>
+Sébastien Lorber <lorber.sebastien@gmail.com>
+Sławomir Laskowski <laskowski.box@gmail.com>
+Taeho Kim <dittos@gmail.com>
+Tay Yang Shun <tay.yang.shun@gmail.com>
+Ted Kim <ted@vcnc.co.kr>
+Tengfei Guo <terryr3rd@yeah.net>
+Teodor Szente <teodor98sz@gmail.com>
 Thomas Aylott <oblivious@subtlegradient.com>
 Thomas Boyt <thomas.boyt@venmo.com>
+Thomas Broadley <buriedunderbooks@hotmail.com>
+Thomas Reggi <socialtr@gmail.com>
+Thomas Röggla <t.roggla@cwi.nl>
 Thomas Shaddox <thomas@heyzap.com>
 Thomas Shafer <thomasjshafer@gmail.com>
+ThomasCrvsr <crevoisier.thomas@gmail.com>
+Tienchai Wirojsaksaree <tienchai@fb.com>
+Tim Routowicz <troutowicz@gmail.com>
+Tim Schaub <tschaub@users.noreply.github.com>
 Timothy Yung <yungsters@gmail.com>
+Timur Carpeev <timuric@users.noreply.github.com>
+Tobias Reiss <tag+github@basecode.de>
+Tom Duncalf <tom@tomduncalf.com>
 Tom Haggie <thaggie@gmail.com>
+Tom Hauburger <thauburger@gmail.com>
+Tom MacWright <tom@macwright.org>
 Tom Occhino <tomocchino@gmail.com>
+Tomasz Kołodziejski <tkolodziejski@gmail.com>
+Tomoya Suzuki <tmysz.dev@gmail.com>
+Tony Spiro <tspiro@tonyspiro.com>
+Toru Kobayashi <koba0004@gmail.com>
+Trinh Hoang Nhu <trinhhoangnhu@gmail.com>
+Tsung Hung <thung@me.com>
+Tyler Brock <tyler.brock@gmail.com>
+Ustin Zarubin <ustin.zarubin@campusbellhops.com>
+Vadim Chernysh <chernysh.vadim@gmail.com>
+Varun Rau <varunrau@gmail.com>
+Vasiliy Loginevskiy <Yeti.or@gmail.com>
+Victor Alvarez <v.alvarez312@gmail.com>
+Victor Homyakov <vkhomyackov@gmail.com>
+Victor Koenders <victor.koenders@gmail.com>
 Ville Immonen <ville.immonen@iki.fi>
+Vincent Riemer <vincentriemer@gmail.com>
+Vincent Siao <vincent@asana.com>
+Vipul A M <vipulnsward@gmail.com>
+Vitaly Kramskikh <vkramskikh@gmail.com>
+Vitor Balocco <vitorbal@gmail.com>
 Vjeux <vjeuxx@gmail.com>
 Volkan Unsal <spocksplanet@gmail.com>
+Wander Wang <wander.wang@ismole.com>
 Wayne Larsen <wayne@larsen.st>
+WickyNilliams <WickyNilliams@MBA>
 Wincent Colaiuta <win@wincent.com>
+Wout Mertens <Wout.Mertens@gmail.com>
+Xavier Morel <xmo-odoo@users.noreply.github.com>
+XuefengWu <benewu@gmail.com>
+Yakov Dalinchuk <murashki@users.noreply.github.com>
+Yasar icli <hello@yasaricli.com>
+YouBao Nong <noyobo@gmail.com>
+Yuichi Hagio <yhagio87@gmail.com>
 Yuriy Dybskiy <yuriy@dybskiy.com>
+Yutaka Nakajima <nakazye@gmail.com>
 Yuval Dekel <thedekel@fb.com>
 Zach Bruggeman <mail@bruggie.com>
+Zach Ramaekers <zramaekers@gmail.com>
+Zacharias <zachasme@users.noreply.github.com>
+Zeke Sikelianos <zeke@sikelianos.com>
+Zhangjd <zhang.jd@qq.com>
+adraeth <jerzy.mirecki@gmail.com>
+arush <arush@ilovebrands.net>
+brafdlog <brafdlog@gmail.com>
+chen <kikyous@163.com>
+clariroid <clarinette.uranus@gmail.com>
+claudiopro <claudio.procida@gmail.com>
+cutbko <kutsenko.eugene@hotmail.com>
 davidxi <davidgraycn@gmail.com>
+dongmeng.ldm <dongmeng.ldm@alibaba-inc.com>
+iamchenxin <iamchenxin@gmail.com>
+iamdoron <doronpagot@gmail.com>
+iawia002 <z2d@jifangcheng.com>
 imagentleman <imagentlemail@gmail.com>
+koh-taka <koh-taka@users.noreply.github.com>
+kohashi85 <hako584@gmail.com>
+laiso <laiso@lai.so>
+leeyoungalias <leeyoungalias@qq.com>
+li.li <li.li@ele.me>
+maxprafferty <maxprafferty@gmail.com>
+rgarifullin <ringarifullin@gmail.com>
+songawee <dennis@songawee.com>
+sugarshin <shinsugar@gmail.com>
+wali-s <ahmad3y2k@hotmail.com>
+yiminghe <yiminghe@gmail.com>
+youmoo <youmoolee@gmail.com>
+zhangjg <jinguozhang@qq.com>
+zwhitchcox <zwhitchcox@gmail.com>
+Árni Hermann Reynisson <arnihr@gmail.com>
+元彦 <yuanyan@users.noreply.github.com>
+凌恒 <jiakun.dujk@alibaba-inc.com>
+张敏 <cookfront@gmail.com>
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,852 @@
+## 15.6.2 (September 25, 2017)
+
+### All Packages
+* Switch from BSD + Patents to MIT license
+
+### React DOM
+
+* Fix a bug where modifying document.documentMode would trigger IE detection in other browsers, breaking change events ([@aweary](https://github.com/aweary) in [#10032](https://github.com/facebook/react/pull/10032)
+* CSS Columns are treated as unitless numbers ([@aweary](https://github.com/aweary) in [#10115](https://github.com/facebook/react/pull/10115)
+* Fix bug in QtWebKit when wrapping synthetic events in proxies ([@walrusfruitcake](https://github.com/walrusfruitcake) in [#10115](https://github.com/facebook/react/pull/10011)
+* Prevent event handlers from receiving extra argument (dev only) ([@aweary](https://github.com/aweary) in [#10115](https://github.com/facebook/react/pull/8363)
+* Fix cases where onChange would not fire with defaultChecked on radio inputs ([@jquense](https://github.com/jquense) in [#10156](https://github.com/facebook/react/pull/10156))
+* Add support for controlList attribute to DOM property whitelist ([@nhunzaker](https://github.com/nhunzaker) in [#9940](https://github.com/facebook/react/pull/9940))
+* Fix a bug where creating an element with a ref in a constructor did not throw an error in dev mode ([@iansu](https://github.com/iansu) in [#10025](https://github.com/facebook/react/pull/10025))
+
+## 15.6.1 (June 14, 2017)
+
+### React DOM
+
+* Fix a crash on iOS Safari. ([@jquense](https://github.com/jquense) in [#9960](https://github.com/facebook/react/pull/9960))
+* Don't add `px` to custom CSS property values. ([@TrySound](https://github.com/TrySound) in [#9966](https://github.com/facebook/react/pull/9966))
+
+## 15.6.0 (June 13, 2017)
+
+### React
+
+* Downgrade deprecation warnings to use `console.warn` instead of `console.error`. ([@flarnie](https://github.com/flarnie) in [#9753](https://github.com/facebook/react/pull/9753))
+* Add a deprecation warning for `React.createClass`. Points users to `create-react-class` instead. ([@flarnie](https://github.com/flarnie) in [#9771](https://github.com/facebook/react/pull/9771))
+* Add deprecation warnings and separate module for `React.DOM` factory helpers. ([@nhunzaker](https://github.com/nhunzaker) in [#8356](https://github.com/facebook/react/pull/8356))
+* Warn for deprecation of `React.createMixin` helper, which was never used. ([@aweary](https://github.com/aweary) in [#8853](https://github.com/facebook/react/pull/8853))
+
+### React DOM
+
+* Add support for CSS variables in `style` attribute. ([@aweary](https://github.com/aweary) in [#9302](https://github.com/facebook/react/pull/9302))
+* Add support for CSS Grid style properties. ([@ericsakmar](https://github.com/ericsakmar) in [#9185](https://github.com/facebook/react/pull/9185))
+* Fix bug where inputs mutated value on type conversion. ([@nhunzaker](https://github.com/mhunzaker) in [#9806](https://github.com/facebook/react/pull/9806))
+* Fix issues with `onChange` not firing properly for some inputs. ([@jquense](https://github.com/jquense) in [#8575](https://github.com/facebook/react/pull/8575))
+* Fix bug where controlled number input mistakenly allowed period. ([@nhunzaker](https://github.com/nhunzaker) in [#9584](https://github.com/facebook/react/pull/9584))
+* Fix bug where performance entries were being cleared. ([@chrisui](https://github.com/chrisui) in [#9451](https://github.com/facebook/react/pull/9451))
+
+### React Addons
+
+* Fix AMD support for addons depending on `react`. ([@flarnie](https://github.com/flarnie) in [#9919](https://github.com/facebook/react/issues/9919))
+* Fix `isMounted()` to return `true` in `componentWillUnmount`. ([@mridgway](https://github.com/mridgway) in [#9638](https://github.com/facebook/react/issues/9638))
+* Fix `react-addons-update` to not depend on native `Object.assign`. ([@gaearon](https://github.com/gaearon) in [#9937](https://github.com/facebook/react/pull/9937))
+* Remove broken Google Closure Compiler annotation from `create-react-class`. ([@gaearon](https://github.com/gaearon) in [#9933](https://github.com/facebook/react/pull/9933))
+* Remove unnecessary dependency from `react-linked-input`. ([@gaearon](https://github.com/gaearon) in [#9766](https://github.com/facebook/react/pull/9766))
+* Point `react-addons-(css-)transition-group` to the new package. ([@gaearon](https://github.com/gaearon) in [#9937](https://github.com/facebook/react/pull/9937))
+
+## 15.5.4 (April 11, 2017)
+
+### React Addons
+* **Critical Bugfix:** Update the version of `prop-types` to fix critical bug.  ([@gaearon](https://github.com/gaearon) in [545c87f](https://github.com/facebook/react/commit/545c87fdc348f82eb0c3830bef715ed180785390))
+* Fix `react-addons-create-fragment` package to include `loose-envify` transform for Browserify users. ([@mridgway](https://github.com/mridgway) in [#9642](https://github.com/facebook/react/pull/9642))
+
+### React Test Renderer
+* Fix compatibility with Enzyme by exposing `batchedUpdates` on shallow renderer. ([@gaearon](https://github.com/gaearon) in [9382](https://github.com/facebook/react/commit/69933e25c37cf5453a9ef132177241203ee8d2fd))
+
+## 15.5.3 (April 7, 2017)
+
+**Note: this release has a critical issue and was deprecated. Please update to 15.5.4 or higher.**
+
+### React Addons
+* Fix `react-addons-create-fragment` package to export correct thing. ([@gaearon](https://github.com/gaearon) in [#9385](https://github.com/facebook/react/pull/9383))
+* Fix `create-react-class` package to include `loose-envify` transform for Browserify users. ([@mridgway](https://github.com/mridgway) in [#9642](https://github.com/facebook/react/pull/9642))
+
+## 15.5.2 (April 7, 2017)
+
+**Note: this release has a critical issue and was deprecated. Please update to 15.5.4 or higher.**
+
+### React Addons
+* Fix the production single-file builds to not include the development code. ([@gaearon](https://github.com/gaearon) in [#9385](https://github.com/facebook/react/pull/9383))
+* Apply better minification to production single-file builds. ([@gaearon](https://github.com/gaearon) in [#9385](https://github.com/facebook/react/pull/9383))
+* Add missing and remove unnecessary dependencies to packages. ([@gaearon](https://github.com/gaearon) in [#9385](https://github.com/facebook/react/pull/9383))
+
+## 15.5.1 (April 7, 2017)
+
+**Note: this release has a critical issue and was deprecated. Please update to 15.5.4 or higher.**
+
+### React
+* Fix erroneous PropTypes access warning. ([@acdlite](https://github.com/acdlite) in ([ec97ebb](https://github.com/facebook/react/commit/ec97ebbe7f15b58ae2f1323df39d06f119873344))
+
+## 15.5.0 (April 7, 2017)
+
+**Note: this release has a critical issue and was deprecated. Please update to 15.5.4 or higher.**
+
+### React
+* <s>Added a deprecation warning for `React.createClass`. Points users to create-react-class instead. ([@acdlite](https://github.com/acdlite) in [#d9a4fa4](https://github.com/facebook/react/commit/d9a4fa4f51c6da895e1655f32255cf72c0fe620e))</s>
+* Added a deprecation warning for `React.PropTypes`. Points users to prop-types instead. ([@acdlite](https://github.com/acdlite) in [#043845c](https://github.com/facebook/react/commit/043845ce75ea0812286bbbd9d34994bb7e01eb28))
+* Fixed an issue when using `ReactDOM` together with `ReactDOMServer`. ([@wacii](https://github.com/wacii) in [#9005](https://github.com/facebook/react/pull/9005))
+* Fixed issue with Closure Compiler. ([@anmonteiro](https://github.com/anmonteiro) in [#8895](https://github.com/facebook/react/pull/8895))
+* Another fix for Closure Compiler. ([@Shastel](https://github.com/Shastel) in [#8882](https://github.com/facebook/react/pull/8882))
+* Added component stack info to invalid element type warning. ([@n3tr](https://github.com/n3tr) in [#8495](https://github.com/facebook/react/pull/8495))
+
+### React DOM
+* Fixed Chrome bug when backspacing in number inputs. ([@nhunzaker](https://github.com/nhunzaker) in [#7359](https://github.com/facebook/react/pull/7359))
+* Added `react-dom/test-utils`, which exports the React Test Utils. ([@bvaughn](https://github.com/bvaughn))
+
+### React Test Renderer
+* Fixed bug where `componentWillUnmount` was not called for children. ([@gre](https://github.com/gre) in [#8512](https://github.com/facebook/react/pull/8512))
+* Added `react-test-renderer/shallow`, which exports the shallow renderer. ([@bvaughn](https://github.com/bvaughn))
+
+### React Addons
+* Last release for addons; they will no longer be actively maintained.
+* Removed `peerDependencies` so that addons continue to work indefinitely. ([@acdlite](https://github.com/acdlite) and [@bvaughn](https://github.com/bvaughn) in [8a06cd7](https://github.com/facebook/react/commit/8a06cd7a786822fce229197cac8125a551e8abfa) and [67a8db3](https://github.com/facebook/react/commit/67a8db3650d724a51e70be130e9008806402678a))
+* Updated to remove references to `React.createClass` and `React.PropTypes` ([@acdlite](https://github.com/acdlite) in [12a96b9](https://github.com/facebook/react/commit/12a96b94823d6b6de6b1ac13bd576864abd50175))
+* `react-addons-test-utils` is deprecated. Use `react-dom/test-utils` and `react-test-renderer/shallow` instead. ([@bvaughn](https://github.com/bvaughn))
+
+## 15.4.2 (January 6, 2017)
+
+### React
+* Fixed build issues with the Brunch bundler. ([@gaearon](https://github.com/gaearon) in [#8686](https://github.com/facebook/react/pull/8686))
+* Improved error messages for invalid element types. ([@spicyj](https://github.com/spicyj) in [#8612](https://github.com/facebook/react/pull/8612))
+* Removed a warning about `getInitialState` when `this.state` is set. ([@bvaughn](https://github.com/bvaughn) in [#8594](https://github.com/facebook/react/pull/8594))
+* Removed some dead code. ([@diegomura](https://github.com/diegomura) in [#8050](https://github.com/facebook/react/pull/8050), [@dfrownfelter](https://github.com/dfrownfelter) in [#8597](https://github.com/facebook/react/pull/8597))
+
+### React DOM
+* Fixed a decimal point issue on uncontrolled number inputs. ([@nhunzaker](https://github.com/nhunzaker) in [#7750](https://github.com/facebook/react/pull/7750))
+* Fixed rendering of textarea placeholder in IE11. ([@aweary](https://github.com/aweary) in [#8020](https://github.com/facebook/react/pull/8020))
+* Worked around a script engine bug in IE9. ([@eoin](https://github.com/eoin) in [#8018](https://github.com/facebook/react/pull/8018))
+
+### React Addons
+* Fixed build issues in RequireJS and SystemJS environments. ([@gaearon](https://github.com/gaearon) in [#8686](https://github.com/facebook/react/pull/8686))
+* Added missing package dependencies. ([@kweiberth](https://github.com/kweiberth) in [#8467](https://github.com/facebook/react/pull/8467))
+
+## 15.4.1 (November 22, 2016)
+
+### React
+* Restructure variable assignment to work around a Rollup bug ([@gaearon](https://github.com/gaearon) in [#8384](https://github.com/facebook/react/pull/8384))
+
+### React DOM
+* Fixed event handling on disabled button elements ([@spicyj](https://github.com/spicyj) in [#8387](https://github.com/facebook/react/pull/8387))
+* Fixed compatibility of browser build with AMD environments ([@zpao](https://github.com/zpao) in [#8374](https://github.com/facebook/react/pull/8374))
+
+## 15.4.0 (November 16, 2016)
+
+### React
+* React package and browser build no longer "secretly" includes React DOM. ([@sebmarkbage](https://github.com/sebmarkbage) in [#7164](https://github.com/facebook/react/pull/7164) and [#7168](https://github.com/facebook/react/pull/7168))
+* Required PropTypes now fail with specific messages for null and undefined. ([@chenglou](https://github.com/chenglou) in [#7291](https://github.com/facebook/react/pull/7291))
+* Improved development performance by freezing children instead of copying. ([@keyanzhang](https://github.com/keyanzhang) in [#7455](https://github.com/facebook/react/pull/7455))
+
+### React DOM
+* Fixed occasional test failures when React DOM is used together with shallow renderer. ([@goatslacker](https://github.com/goatslacker) in [#8097](https://github.com/facebook/react/pull/8097))
+* Added a warning for invalid `aria-` attributes. ([@jessebeach](https://github.com/jessebeach) in [#7744](https://github.com/facebook/react/pull/7744))
+* Added a warning for using `autofocus` rather than `autoFocus`. ([@hkal](https://github.com/hkal) in [#7694](https://github.com/facebook/react/pull/7694))
+* Removed an unnecessary warning about polyfilling `String.prototype.split`. ([@nhunzaker](https://github.com/nhunzaker) in [#7629](https://github.com/facebook/react/pull/7629))
+* Clarified the warning about not calling PropTypes manually. ([@jedwards1211](https://github.com/jedwards1211) in [#7777](https://github.com/facebook/react/pull/7777))
+* The unstable `batchedUpdates` API now passes the wrapped function's return value through. ([@bgnorlov](https://github.com/bgnorlov) in [#7444](https://github.com/facebook/react/pull/7444))
+* Fixed a bug with updating text in IE 8. ([@mnpenner](https://github.com/mnpenner) in [#7832](https://github.com/facebook/react/pull/7832))
+
+### React Perf
+* When ReactPerf is started, you can now view the relative time spent in components as a chart in Chrome Timeline. ([@gaearon](https://github.com/gaearon) in [#7549](https://github.com/facebook/react/pull/7549))
+
+### React Test Utils
+* If you call `Simulate.click()` on a `<input disabled onClick={foo} />` then `foo` will get called whereas it didn't before. ([@nhunzaker](https://github.com/nhunzaker) in [#7642](https://github.com/facebook/react/pull/7642))
+
+### React Test Renderer
+* Due to packaging changes, it no longer crashes when imported together with React DOM in the same file. ([@sebmarkbage](https://github.com/sebmarkbage) in [#7164](https://github.com/facebook/react/pull/7164) and [#7168](https://github.com/facebook/react/pull/7168))
+* `ReactTestRenderer.create()` now accepts `{createNodeMock: element => mock}` as an optional argument so you can mock refs with snapshot testing. ([@Aweary](https://github.com/Aweary) in [#7649](https://github.com/facebook/react/pull/7649), [#8261](https://github.com/facebook/react/pull/8261))
+
+
+## 15.3.2 (September 19, 2016)
+
+### React
+- Remove plain object warning from React.createElement & React.cloneElement. ([@spudly](https://github.com/spudly) in [#7724](https://github.com/facebook/react/pull/7724))
+
+### React DOM
+- Add `playsInline` to supported HTML attributes. ([@reaperhulk](https://github.com/reaperhulk) in [#7519](https://github.com/facebook/react/pull/7519))
+- Add `as` to supported HTML attributes. ([@kevinslin](https://github.com/kevinslin) in [#7582](https://github.com/facebook/react/pull/7582))
+- Improve DOM nesting validation warning about whitespace. ([@spicyj](https://github.com/spicyj) in [#7515](https://github.com/facebook/react/pull/7515))
+- Avoid "Member not found" exception in IE10 when calling `preventDefault()` in Synthetic Events. ([@g-palmer](https://github.com/g-palmer) in [#7411](https://github.com/facebook/react/pull/7411))
+- Fix memory leak in `onSelect` implementation. ([@AgtLucas](https://github.com/AgtLucas) in [#7533](https://github.com/facebook/react/pull/7533))
+- Improve robustness of `document.documentMode` checks to handle Google Tag Manager. ([@SchleyB](https://github.com/SchleyB) in [#7594](https://github.com/facebook/react/pull/7594))
+- Add more cases to controlled inputs warning. ([@marcin-mazurek](https://github.com/marcin-mazurek) in [#7544](https://github.com/facebook/react/pull/7544))
+- Handle case of popup blockers overriding `document.createEvent`. ([@Andarist](https://github.com/Andarist) in [#7621](https://github.com/facebook/react/pull/7621))
+- Fix issue with `dangerouslySetInnerHTML` and SVG in Internet Explorer. ([@zpao](https://github.com/zpao) in [#7618](https://github.com/facebook/react/pull/7618))
+- Improve handling of Japanese IME on Internet Explorer. ([@msmania](https://github.com/msmania) in [#7107](https://github.com/facebook/react/pull/7107))
+
+### React Test Renderer
+- Support error boundaries. ([@millermedeiros](https://github.com/millermedeiros) in [#7558](https://github.com/facebook/react/pull/7558), [#7569](https://github.com/facebook/react/pull/7569), [#7619](https://github.com/facebook/react/pull/7619))
+- Skip null ref warning. ([@Aweary](https://github.com/Aweary) in [#7658](https://github.com/facebook/react/pull/7658))
+
+### React Perf Add-on
+- Ensure lifecycle timers are stopped on errors. ([@gaearon](https://github.com/gaearon) in [#7548](https://github.com/facebook/react/pull/7548))
+
+
+## 15.3.1 (August 19, 2016)
+
+### React
+
+- Improve performance of development builds in various ways. ([@gaearon](https://github.com/gaearon) in [#7461](https://github.com/facebook/react/pull/7461), [#7463](https://github.com/facebook/react/pull/7463), [#7483](https://github.com/facebook/react/pull/7483), [#7488](https://github.com/facebook/react/pull/7488), [#7491](https://github.com/facebook/react/pull/7491), [#7510](https://github.com/facebook/react/pull/7510))
+- Cleanup internal hooks to improve performance of development builds. ([@gaearon](https://github.com/gaearon) in [#7464](https://github.com/facebook/react/pull/7464), [#7472](https://github.com/facebook/react/pull/7472), [#7481](https://github.com/facebook/react/pull/7481), [#7496](https://github.com/facebook/react/pull/7496))
+- Upgrade fbjs to pick up another performance improvement from [@gaearon](https://github.com/gaearon) for development builds. ([@zpao](https://github.com/zpao) in [#7532](https://github.com/facebook/react/pull/7532))
+- Improve startup time of React in Node. ([@zertosh](https://github.com/zertosh) in [#7493](https://github.com/facebook/react/pull/7493))
+- Improve error message of `React.Children.only`. ([@spicyj](https://github.com/spicyj) in [#7514](https://github.com/facebook/react/pull/7514))
+
+### React DOM
+- Avoid `<input>` validation warning from browsers when changing `type`. ([@nhunzaker](https://github.com/nhunzaker) in [#7333](https://github.com/facebook/react/pull/7333))
+- Avoid "Member not found" exception in IE10 when calling `stopPropagation()` in Synthetic Events. ([@nhunzaker](https://github.com/nhunzaker) in [#7343](https://github.com/facebook/react/pull/7343))
+- Fix issue resulting in inability to update some `<input>` elements in mobile browsers. ([@keyanzhang](https://github.com/keyanzhang) in [#7397](https://github.com/facebook/react/pull/7397))
+- Fix memory leak in server rendering. ([@keyanzhang](https://github.com/keyanzhang) in [#7410](https://github.com/facebook/react/pull/7410))
+- Fix issue resulting in `<input type="range">` values not updating when changing `min` or `max`. ([@troydemonbreun](https://github.com/troydemonbreun) in [#7486](https://github.com/facebook/react/pull/7486))
+- Add new warning for rare case of attempting to unmount a container owned by a different copy of React. ([@ventuno](https://github.com/ventuno) in [#7456](https://github.com/facebook/react/pull/7456))
+
+### React Test Renderer
+- Fix ReactTestInstance::toJSON() with empty top-level components. ([@Morhaus](https://github.com/Morhaus) in [#7523](https://github.com/facebook/react/pull/7523))
+
+### React Native Renderer
+- Change `trackedTouchCount` invariant into a console.error for better reliability. ([@yungsters](https://github.com/yungsters) in [#7400](https://github.com/facebook/react/pull/7400))
+
+
+## 15.3.0 (July 29, 2016)
+
+### React
+- Add `React.PureComponent` - a new base class to extend, replacing `react-addons-pure-render-mixin` now that mixins don't work with ES2015 classes. ([@spicyj](https://github.com/spicyj) in [#7195](https://github.com/facebook/react/pull/7195))
+- Add new warning when modifying `this.props.children`. ([@jimfb](https://github.com/jimfb) in [#7001](https://github.com/facebook/react/pull/7001))
+- Fixed issue with ref resolution order. ([@gaearon](https://github.com/gaearon) in [#7101](https://github.com/facebook/react/pull/7101))
+- Warn when mixin is undefined. ([@swaroopsm](https://github.com/swaroopsm) in [#6158](https://github.com/facebook/react/pull/6158))
+- Downgrade "unexpected batch number" invariant to a warning. ([@spicyj](https://github.com/spicyj) in [#7133](https://github.com/facebook/react/pull/7133))
+- Validate arguments to `oneOf` and `oneOfType` PropTypes sooner. ([@troydemonbreun](https://github.com/troydemonbreun) in [#6316](https://github.com/facebook/react/pull/6316))
+- Warn when calling PropTypes directly. ([@Aweary](https://github.com/Aweary) in [#7132](https://github.com/facebook/react/pull/7132), [#7194](https://github.com/facebook/react/pull/7194))
+- Improve warning when using Maps as children. ([@keyanzhang](https://github.com/keyanzhang) in [#7260](https://github.com/facebook/react/pull/7260))
+- Add additional type information to the `PropTypes.element` warning. ([@alexzherdev](https://github.com/alexzherdev) in [#7319](https://github.com/facebook/react/pull/7319))
+- Improve component identification in no-op `setState` warning. ([@keyanzhang](https://github.com/keyanzhang) in [#7326](https://github.com/facebook/react/pull/7326))
+
+### React DOM
+- Fix issue with nested server rendering. ([@Aweary](https://github.com/Aweary) in [#7033](https://github.com/facebook/react/pull/7033))
+- Add `xmlns`, `xmlnsXlink` to supported SVG attributes. ([@salzhrani](https://github.com/salzhrani) in [#6471](https://github.com/facebook/react/pull/6471))
+- Add `referrerPolicy` to supported HTML attributes. ([@Aweary](https://github.com/Aweary) in [#7274](https://github.com/facebook/react/pull/7274))
+- Fix issue resulting in `<input type="range">` initial value being rounded. ([@troydemonbreun](https://github.com/troydemonbreun) in [#7251](https://github.com/facebook/react/pull/7251))
+
+### React Test Renderer
+- Initial public release of package allowing more focused testing. Install with `npm install react-test-renderer`. ([@spicyj](https://github.com/spicyj) in [#6944](https://github.com/facebook/react/pull/6944), [#7258](https://github.com/facebook/react/pull/7258), [@iamdustan](https://github.com/iamdustan) in [#7362](https://github.com/facebook/react/pull/7362))
+
+### React Perf Add-on
+- Fix issue resulting in excessive warnings when encountering an internal measurement error. ([@sassanh](https://github.com/sassanh) in [#7299](https://github.com/facebook/react/pull/7299))
+
+### React TestUtils Add-on
+- Implement `type` property on for events created via `TestUtils.Simulate.*`. ([@yaycmyk](https://github.com/yaycmyk) in [#6154](https://github.com/facebook/react/pull/6154))
+- Fix crash when running TestUtils with the production build of React. ([@gaearon](https://github.com/gaearon) in [#7246](https://github.com/facebook/react/pull/7246))
+
+
+## 15.2.1 (July 8, 2016)
+
+### React
+- Fix errant warning about missing React element. ([@gaearon](https://github.com/gaearon) in [#7193](https://github.com/facebook/react/pull/7193))
+- Better removal of dev-only code, leading to a small reduction in the minified production bundle size. ([@gaearon](https://github.com/gaearon) in [#7188](https://github.com/facebook/react/pull/7188), [#7189](https://github.com/facebook/react/pull/7189))
+
+### React DOM
+- Add stack trace to null input value warning. ([@jimfb](https://github.com/jimfb) in [#7040](https://github.com/facebook/react/pull/7040))
+- Fix webcomponents example. ([@jalexanderfox](https://github.com/jalexanderfox) in [#7057](https://github.com/facebook/react/pull/7057))
+- Fix `unstable_renderSubtreeIntoContainer` so that context properly updates when linked to state. ([@gaearon](https://github.com/gaearon) in [#7125](https://github.com/facebook/react/pull/7125))
+- Improve invariant wording for void elements. ([@starkch](https://github.com/starkch) in [#7066](https://github.com/facebook/react/pull/7066))
+- Ensure no errors are thrown due to event handlers in server rendering. ([@rricard](https://github.com/rricard) in [#7127](https://github.com/facebook/react/pull/7127))
+- Fix regression resulting in `value`-less submit and reset inputs removing the browser-default text. ([@zpao](https://github.com/zpao) in [#7197](https://github.com/facebook/react/pull/7197))
+- Fix regression resulting in empty `name` attribute being added to inputs when not provided. ([@okonet](https://github.com/okonet) in [#7199](https://github.com/facebook/react/pull/7199))
+- Fix issue with nested server rendering. ([@Aweary](https://github.com/Aweary) in [#7033](https://github.com/facebook/react/pull/7033))
+
+### React Perf Add-on
+- Make `ReactPerf.start()` work properly during lifecycle methods. ([@gaearon](https://github.com/gaearon) in [#7208](https://github.com/facebook/react/pull/7208)).
+
+### React CSSTransitionGroup Add-on
+- Fix issue resulting in spurious unknown property warnings. ([@batusai513](https://github.com/batusai513) in [#7165](https://github.com/facebook/react/pull/7165))
+
+### React Native Renderer
+- Improve error handling in cross-platform touch event handling. ([@yungsters](https://github.com/yungsters) in [#7143](https://github.com/facebook/react/pull/7143))
+
+
+## 15.2.0 (July 1, 2016)
+
+### React
+- Add error codes to production invariants, with links to the view the full error text. ([@keyanzhang](https://github.com/keyanzhang) in [#6948](https://github.com/facebook/react/pull/6948))
+- Include component stack information in PropType validation warnings. ([@troydemonbreun](https://github.com/troydemonbreun) in [#6398](https://github.com/facebook/react/pull/6398), [@spicyj](https://github.com/spicyj) in [#6771](https://github.com/facebook/react/pull/6771))
+- Include component stack information in key warnings. ([@keyanzhang](https://github.com/keyanzhang) in [#6799](https://github.com/facebook/react/pull/6799))
+- Stop validating props at mount time, only validate at element creation. ([@keyanzhang](https://github.com/keyanzhang) in [#6824](https://github.com/facebook/react/pull/6824))
+- New invariant providing actionable error in missing instance case. ([@yungsters](https://github.com/yungsters) in [#6990](https://github.com/facebook/react/pull/6990))
+- Add `React.PropTypes.symbol` to support ES2015 Symbols as props. ([@puradox](https://github.com/puradox) in [#6377](https://github.com/facebook/react/pull/6377))
+- Fix incorrect coercion of ref or key that are undefined in development ([@gaearon](https://github.com/gaearon) in [#6880](https://github.com/facebook/react/pull/6880))
+- Fix a false positive when passing other element’s props to cloneElement ([@ericmatthys](https://github.com/ericmatthys) in [#6268](https://github.com/facebook/react/pull/6268))
+- Warn if you attempt to define `childContextTypes` on a functional component ([@Aweary](https://github.com/Aweary) in [#6933](https://github.com/facebook/react/pull/6933))
+
+### React DOM
+- Add warning for unknown properties on DOM elements. ([@jimfb](https://github.com/jimfb) in [#6800](https://github.com/facebook/react/pull/6800), [@gm758](https://github.com/gm758) in [#7152](https://github.com/facebook/react/pull/7152))
+- Properly remove attributes from custom elements. ([@grassator](https://github.com/grassator) in [#6748](https://github.com/facebook/react/pull/6748))
+- Fix invalid unicode escape in attribute name regular expression. ([@nbjahan](https://github.com/nbjahan) in [#6772](https://github.com/facebook/react/pull/6772))
+- Add `onLoad` handling to `<link>` element. ([@roderickhsiao](https://github.com/roderickhsiao) in [#6815](https://github.com/facebook/react/pull/6815))
+- Add `onError` handling to `<source>` element. ([@wadahiro](https://github.com/wadahiro) in [#6941](https://github.com/facebook/react/pull/6941))
+- Handle `value` and `defaultValue` more accurately in the DOM. ([@jimfb](https://github.com/jimfb) in [#6406](https://github.com/facebook/react/pull/6406))
+- Fix events issue in environments with mutated `Object.prototype`. ([@Weizenlol](https://github.com/Weizenlol) in [#6886](https://github.com/facebook/react/pull/6886))
+- Fix issue where `is="null"` ended up in the DOM in Firefox. ([@darobin](https://github.com/darobin) in [#6896](https://github.com/facebook/react/pull/6896))
+- Improved performance of text escaping by using [escape-html](https://github.com/component/escape-html). ([@aickin](https://github.com/aickin) in [#6862](https://github.com/facebook/react/pull/6862))
+- Fix issue with `dangerouslySetInnerHTML` and SVG in Internet Explorer. ([@joshhunt](https://github.com/joshhunt) in [#6982](https://github.com/facebook/react/pull/6982))
+- Fix issue with `<textarea>` placeholders. ([@jimfb](https://github.com/jimfb) in [#7002](https://github.com/facebook/react/pull/7002))
+- Fix controlled vs uncontrolled detection of `<input type="radio"/>`. ([@jimfb](https://github.com/jimfb) in [#7003](https://github.com/facebook/react/pull/7003))
+- Improve performance of updating text content. ([@trueadm](https://github.com/trueadm) in [#7005](https://github.com/facebook/react/pull/7005))
+- Ensure controlled `<select>` components behave the same on initial render as they do on updates. ([@yiminghe](https://github.com/yiminghe) in [#5362](https://github.com/facebook/react/pull/5362))
+
+### React Perf Add-on
+- Add `isRunning()` API. ([@nfcampos](https://github.com/nfcampos) in [#6763](https://github.com/facebook/react/pull/6763))
+- Improve accuracy of lifecycle hook timing. ([@gaearon](https://github.com/gaearon) in [#6858](https://github.com/facebook/react/pull/6858))
+- Fix internal errors when using ReactPerf with portal components. ([@gaearon](https://github.com/gaearon) in [#6860](https://github.com/facebook/react/pull/6860))
+- Fix performance regression. ([@spicyj](https://github.com/spicyj) in [#6770](https://github.com/facebook/react/pull/6770))
+- Add warning that ReactPerf is not enabled in production. ([@sashashakun](https://github.com/sashashakun) in [#6884](https://github.com/facebook/react/pull/6884))
+
+### React CSSTransitionGroup Add-on
+- Fix timing issue with `null` node. ([@keyanzhang](https://github.com/keyanzhang) in [#6958](https://github.com/facebook/react/pull/6958))
+
+### React Native Renderer
+- Dependencies on React Native modules use CommonJS requires instead of providesModule. ([@davidaurelio](https://github.com/davidaurelio) in [#6715](https://github.com/facebook/react/pull/6715))
+
+
+## 15.1.0 (May 20, 2016)
+
+### React
+- Ensure we're using the latest `object-assign`, which has protection against a non-spec-compliant native `Object.assign`. ([@zpao](https://github.com/zpao) in [#6681](https://github.com/facebook/react/pull/6681))
+- Add a new warning to communicate that `props` objects passed to `createElement` must be plain objects. ([@richardscarrott](https://github.com/richardscarrott) in [#6134](https://github.com/facebook/react/pull/6134))
+- Fix a batching bug resulting in some lifecycle methods incorrectly being called multiple times. ([@spicyj](https://github.com/spicyj) in [#6650](https://github.com/facebook/react/pull/6650))
+
+### React DOM
+- Fix regression in custom elements support. ([@jscissr](https://github.com/jscissr) in [#6570](https://github.com/facebook/react/pull/6570))
+- Stop incorrectly warning about using `onScroll` event handler with server rendering. ([@Aweary](https://github.com/Aweary) in [#6678](https://github.com/facebook/react/pull/6678))
+- Fix grammar in the controlled input warning. ([@jakeboone02](https://github.com/jakeboone02) in [#6657](https://github.com/facebook/react/pull/6657))
+- Fix issue preventing `<object>` nodes from being able to read `<param>` nodes in IE. ([@syranide](https://github.com/syranide) in [#6691](https://github.com/facebook/react/pull/6691))
+- Fix issue resulting in crash when using experimental error boundaries with server rendering. ([@jimfb](https://github.com/jimfb) in [#6694](https://github.com/facebook/react/pull/6694))
+- Add additional information to the controlled input warning. ([@borisyankov](https://github.com/borisyankov) in [#6341](https://github.com/facebook/react/pull/6341))
+
+### React Perf Add-on
+- Completely rewritten to collect data more accurately and to be easier to maintain. ([@gaearon](https://github.com/gaearon) in [#6647](https://github.com/facebook/react/pull/6647), [#6046](https://github.com/facebook/react/pull/6046))
+
+### React Native Renderer
+- Remove some special cases for platform specific branching. ([@sebmarkbage](https://github.com/sebmarkbage) in [#6660](https://github.com/facebook/react/pull/6660))
+- Remove use of `merge` utility. ([@sebmarkbage](https://github.com/sebmarkbage) in [#6634](https://github.com/facebook/react/pull/6634))
+- Renamed some modules to better indicate usage ([@javache](https://github.com/javache) in [#6643](https://github.com/facebook/react/pull/6643))
+
+
+## 15.0.2 (April 29, 2016)
+
+### React
+- Removed extraneous files from npm package. ([@gaearon](https://github.com/gaearon) in [#6388](https://github.com/facebook/react/pull/6388))
+- Ensure `componentWillUnmount` is only called once. ([@jimfb](https://github.com/jimfb) in [#6613](https://github.com/facebook/react/pull/6613))
+
+### ReactDOM
+- Fixed bug resulting in disabled buttons responding to mouse events in IE. ([@nhunzaker](https://github.com/nhunzaker) in [#6215](https://github.com/facebook/react/pull/6215))
+- Ensure `<option>`s are correctly selected when inside `<optgroup>`. ([@trevorsmith](https://github.com/trevorsmith) in [#6442](https://github.com/facebook/react/pull/6442))
+- Restore support for rendering into a shadow root. ([@Wildhoney](https://github.com/Wildhoney) in [#6462](https://github.com/facebook/react/pull/6462))
+- Ensure nested `<body>` elements are caught when warning for invalid markup. ([@keyanzhang](https://github.com/keyanzhang) in [#6469](https://github.com/facebook/react/pull/6469))
+- Improve warning when encountering multiple elements with the same key. ([@hkal](https://github.com/hkal) in [#6500](https://github.com/facebook/react/pull/6500))
+
+### React TestUtils Add-on
+- Ensure that functional components do not have an owner. ([@gaearon](https://github.com/gaearon) in [#6362](https://github.com/facebook/react/pull/6362))
+- Handle invalid arguments to `scryRenderedDOMComponentsWithClass` better. ([@ipeters90](https://github.com/ipeters90) in [#6529](https://github.com/facebook/react/pull/6529))
+
+### React Perf Add-on
+- Ignore DOM operations that occur outside the batch operation. ([@gaearon](https://github.com/gaearon) in [#6516](https://github.com/facebook/react/pull/6516))
+
+### React Native Renderer
+- These files are now shipped inside the React npm package. They have no impact on React core or ReactDOM.
+
+
+## 15.0.1 (April 8, 2016)
+
+### React
+- Restore `React.__spread` API to unbreak code compiled with some tools making use of this undocumented API. It is now officially deprecated. ([@zpao](https://github.com/zpao) in [#6444](https://github.com/facebook/react/pull/6444))
+
+### ReactDOM
+- Fixed issue resulting in loss of cursor position in controlled inputs. ([@spicyj](https://github.com/spicyj) in [#6449](https://github.com/facebook/react/pull/6449))
+
+
+## 15.0.0 (April 7, 2016)
+
+### Major changes
+
+- **Initial render now uses `document.createElement` instead of generating HTML.** Previously we would generate a large string of HTML and then set `node.innerHTML`. At the time, this was decided to be faster than using `document.createElement` for the majority of cases and browsers that we supported. Browsers have continued to improve and so overwhelmingly this is no longer true. By using `createElement` we can make other parts of React faster. ([@spicyj](https://github.com/spicyj) in [#5205](https://github.com/facebook/react/pull/5205))
+- **`data-reactid` is no longer on every node.** As a result of using `document.createElement`, we can prime the node cache as we create DOM nodes, allowing us to skip a potential lookup (which used the `data-reactid` attribute). Root nodes will have a `data-reactroot` attribute and server generated markup will still contain `data-reactid`. ([@spicyj](https://github.com/spicyj) in [#5205](https://github.com/facebook/react/pull/5205))
+- **No more extra `<span>`s.** ReactDOM will now render plain text nodes interspersed with comment nodes that are used for demarcation. This gives us the same ability to update individual pieces of text, without creating extra nested nodes. If you were targeting these `<span>`s in your CSS, you will need to adjust accordingly. You can always render them explicitly in your components. ([@mwiencek](https://github.com/mwiencek) in [#5753](https://github.com/facebook/react/pull/5753))
+- **Rendering `null` now uses comment nodes.** Previously `null` would render to `<noscript>` elements. We now use comment nodes. This may cause issues if making use of `:nth-child` CSS selectors. While we consider this rendering behavior an implementation detail of React, it's worth noting the potential problem. ([@spicyj](https://github.com/spicyj) in [#5451](https://github.com/facebook/react/pull/5451))
+- **Functional components can now return `null`.** We added support for [defining stateless components as functions](/react/blog/2015/09/10/react-v0.14-rc1.html#stateless-function-components) in React 0.14. However, React 0.14 still allowed you to define a class component without extending `React.Component` or using `React.createClass()`, so [we couldn’t reliably tell if your component is a function or a class](https://github.com/facebook/react/issues/5355), and did not allow returning `null` from it. This issue is solved in React 15, and you can now return `null` from any component, whether it is a class or a function. ([@jimfb](https://github.com/jimfb) in [#5884](https://github.com/facebook/react/pull/5884))
+- **Improved SVG support.** All SVG tags are now fully supported. (Uncommon SVG tags are not present on the `React.DOM` element helper, but JSX and `React.createElement` work on all tag names.) All SVG attributes that are implemented by the browsers should be supported too. If you find any attributes that we have missed, please [let us know in this issue](https://github.com/facebook/react/issues/1657). ([@zpao](https://github.com/zpao) in [#6243](https://github.com/facebook/react/pull/6243))
+
+### Breaking changes
+
+- **No more extra `<span>`s.**
+- **`React.cloneElement()` now resolves `defaultProps`.** We fixed a bug in `React.cloneElement()` that some components may rely on. If some of the `props` received by `cloneElement()` are `undefined`, it used to return an element with `undefined` values for those props. We’re changing it to be consistent with `createElement()`. Now any `undefined` props passed to `cloneElement()` are resolved to the corresponding component’s `defaultProps`. ([@truongduy134](https://github.com/truongduy134) in [#5997](https://github.com/facebook/react/pull/5997))
+- **`ReactPerf.getLastMeasurements()` is opaque.** This change won’t affect applications but may break some third-party tools. We are [revamping `ReactPerf` implementation](https://github.com/facebook/react/pull/6046) and plan to release it during the 15.x cycle. The internal performance measurement format is subject to change so, for the time being, we consider the return value of `ReactPerf.getLastMeasurements()` an opaque data structure that should not be relied upon. ([@gaearon](https://github.com/gaearon) in [#6286](https://github.com/facebook/react/pull/6286))
+
+#### Removed deprecations
+
+These deprecations were introduced nine months ago in v0.14 with a warning and are removed:
+
+- Deprecated APIs are removed from the `React` top-level export: `findDOMNode`, `render`, `renderToString`, `renderToStaticMarkup`, and `unmountComponentAtNode`. As a reminder, they are now available on `ReactDOM` and `ReactDOMServer`. ([@jimfb](https://github.com/jimfb) in [#5832](https://github.com/facebook/react/pull/5832))
+- Deprecated addons are removed: `batchedUpdates` and `cloneWithProps`. ([@jimfb](https://github.com/jimfb) in [#5859](https://github.com/facebook/react/pull/5859), [@zpao](https://github.com/zpao) in [#6016](https://github.com/facebook/react/pull/6016))
+- Deprecated component instance methods are removed: `setProps`, `replaceProps`, and `getDOMNode`. ([@jimfb](https://github.com/jimfb) in [#5570](https://github.com/facebook/react/pull/5570))
+- Deprecated CommonJS `react/addons` entry point is removed. As a reminder, you should use separate `react-addons-*` packages instead. This only applies if you use the CommonJS builds. ([@gaearon](https://github.com/gaearon) in [#6285](https://github.com/facebook/react/pull/6285))
+- Passing `children` to void elements like `<input>` was deprecated, and now throws an error. ([@jonhester](https://github.com/jonhester) in [#3372](https://github.com/facebook/react/pull/3372))
+- React-specific properties on DOM `refs` (e.g. `this.refs.div.props`) were deprecated, and are removed now. ([@jimfb](https://github.com/jimfb) in [#5495](https://github.com/facebook/react/pull/5495))
+
+### New deprecations, introduced with a warning
+
+Each of these changes will continue to work as before with a new warning until the release of React 16 so you can upgrade your code gradually.
+
+- `LinkedStateMixin` and `valueLink` are now deprecated due to very low popularity. If you need this, you can use a wrapper component that implements the same behavior: [react-linked-input](https://www.npmjs.com/package/react-linked-input). ([@jimfb](https://github.com/jimfb) in [#6127](https://github.com/facebook/react/pull/6127))
+- Future versions of React will treat `<input value={null}>` as a request to clear the input. However, React 0.14 has been ignoring `value={null}`. React 15 warns you on a `null` input value and offers you to clarify your intention. To fix the warning, you may explicitly pass an empty string to clear a controlled input, or pass `undefined` to make the input uncontrolled. ([@antoaravinth](https://github.com/antoaravinth) in [#5048](https://github.com/facebook/react/pull/5048))
+- `ReactPerf.printDOM()` was renamed to `ReactPerf.printOperations()`, and `ReactPerf.getMeasurementsSummaryMap()` was renamed to `ReactPerf.getWasted()`. ([@gaearon](https://github.com/gaearon) in [#6287](https://github.com/facebook/react/pull/6287))
+
+### New helpful warnings
+
+- If you use a minified copy of the _development_ build, React DOM kindly encourages you to use the faster production build instead. ([@spicyj](https://github.com/spicyj) in [#5083](https://github.com/facebook/react/pull/5083))
+- React DOM: When specifying a unit-less CSS value as a string, a future version will not add `px` automatically. This version now warns in this case (ex: writing `style={{'{{'}}width: '300'}}`. Unitless *number* values like `width: 300` are unchanged. ([@pluma](https://github.com/pluma) in [#5140](https://github.com/facebook/react/pull/5140))
+- Synthetic Events will now warn when setting and accessing properties (which will not get cleared appropriately), as well as warn on access after an event has been returned to the pool. ([@kentcdodds](https://github.com/kentcdodds) in [#5940](https://github.com/facebook/react/pull/5940) and [@koba04](https://github.com/koba04) in [#5947](https://github.com/facebook/react/pull/5947))
+- Elements will now warn when attempting to read `ref` and `key` from the props. ([@prometheansacrifice](https://github.com/prometheansacrifice) in [#5744](https://github.com/facebook/react/pull/5744))
+- React will now warn if you pass a different `props` object to `super()` in the constructor. ([@prometheansacrifice](https://github.com/prometheansacrifice) in [#5346](https://github.com/facebook/react/pull/5346))
+- React will now warn if you call `setState()` inside `getChildContext()`. ([@raineroviir](https://github.com/raineroviir) in [#6121](https://github.com/facebook/react/pull/6121))
+- React DOM now attempts to warn for mistyped event handlers on DOM elements, such as `onclick` which should be `onClick`. ([@ali](https://github.com/ali) in [#5361](https://github.com/facebook/react/pull/5361))
+- React DOM now warns about `NaN` values in `style`. ([@jontewks](https://github.com/jontewks) in [#5811](https://github.com/facebook/react/pull/5811))
+- React DOM now warns if you specify both `value` and `defaultValue` for an input. ([@mgmcdermott](https://github.com/mgmcdermott) in [#5823](https://github.com/facebook/react/pull/5823))
+- React DOM now warns if an input switches between being controlled and uncontrolled. ([@TheBlasfem](https://github.com/TheBlasfem) in [#5864](https://github.com/facebook/react/pull/5864))
+- React DOM now warns if you specify `onFocusIn` or `onFocusOut` handlers as they are unnecessary in React. ([@jontewks](https://github.com/jontewks) in [#6296](https://github.com/facebook/react/pull/6296))
+- React now prints a descriptive error message when you pass an invalid callback as the last argument to `ReactDOM.render()`, `this.setState()`, or `this.forceUpdate()`. ([@conorhastings](https://github.com/conorhastings) in [#5193](https://github.com/facebook/react/pull/5193) and [@gaearon](https://github.com/gaearon) in [#6310](https://github.com/facebook/react/pull/6310))
+- Add-Ons: `TestUtils.Simulate()` now prints a helpful message if you attempt to use it with shallow rendering. ([@conorhastings](https://github.com/conorhastings) in [#5358](https://github.com/facebook/react/pull/5358))
+- PropTypes: `arrayOf()` and `objectOf()` provide better error messages for invalid arguments. ([@chicoxyzzy](https://github.com/chicoxyzzy) in [#5390](https://github.com/facebook/react/pull/5390))
+
+### Notable bug fixes
+
+- Fixed multiple small memory leaks. ([@spicyj](https://github.com/spicyj) in [#4983](https://github.com/facebook/react/pull/4983) and [@victor-homyakov](https://github.com/victor-homyakov) in [#6309](https://github.com/facebook/react/pull/6309))
+- Input events are handled more reliably in IE 10 and IE 11; spurious events no longer fire when using a placeholder. ([@jquense](https://github.com/jquense) in [#4051](https://github.com/facebook/react/pull/4051))
+- The `componentWillReceiveProps()` lifecycle method is now consistently called when `context` changes. ([@milesj](https://github.com/milesj) in [#5787](https://github.com/facebook/react/pull/5787))
+- `React.cloneElement()` doesn’t append slash to an existing `key` when used inside `React.Children.map()`. ([@ianobermiller](https://github.com/ianobermiller) in [#5892](https://github.com/facebook/react/pull/5892))
+- React DOM now supports the `cite` and `profile` HTML attributes. ([@AprilArcus](https://github.com/AprilArcus) in [#6094](https://github.com/facebook/react/pull/6094) and [@saiichihashimoto](https://github.com/saiichihashimoto) in [#6032](https://github.com/facebook/react/pull/6032))
+- React DOM now supports `cssFloat`, `gridRow` and `gridColumn` CSS properties. ([@stevenvachon](https://github.com/stevenvachon) in [#6133](https://github.com/facebook/react/pull/6133) and  [@mnordick](https://github.com/mnordick) in [#4779](https://github.com/facebook/react/pull/4779))
+- React DOM now correctly handles `borderImageOutset`, `borderImageWidth`, `borderImageSlice`, `floodOpacity`, `strokeDasharray`, and `strokeMiterlimit` as unitless CSS properties. ([@rofrischmann](https://github.com/rofrischmann) in [#6210](https://github.com/facebook/react/pull/6210) and [#6270](https://github.com/facebook/react/pull/6270))
+- React DOM now supports the `onAnimationStart`, `onAnimationEnd`, `onAnimationIteration`, `onTransitionEnd`, and `onInvalid` events. Support for `onLoad` has been added to `object` elements. ([@tomduncalf](https://github.com/tomduncalf) in [#5187](https://github.com/facebook/react/pull/5187),  [@milesj](https://github.com/milesj) in [#6005](https://github.com/facebook/react/pull/6005), and [@ara4n](https://github.com/ara4n) in [#5781](https://github.com/facebook/react/pull/5781))
+- React DOM now defaults to using DOM attributes instead of properties, which fixes a few edge case bugs. Additionally the nullification of values (ex: `href={null}`) now results in the forceful removal, no longer trying to set to the default value used by browsers in the absence of a value. ([@syranide](https://github.com/syranide) in [#1510](https://github.com/facebook/react/pull/1510))
+- React DOM does not mistakingly coerce `children` to strings for Web Components. ([@jimfb](https://github.com/jimfb) in [#5093](https://github.com/facebook/react/pull/5093))
+- React DOM now correctly normalizes SVG `<use>` events. ([@edmellum](https://github.com/edmellum) in [#5720](https://github.com/facebook/react/pull/5720))
+- React DOM does not throw if a `<select>` is unmounted while its `onChange` handler is executing. ([@sambev](https://github.com/sambev) in [#6028](https://github.com/facebook/react/pull/6028))
+- React DOM does not throw in Windows 8 apps. ([@Andrew8xx8](https://github.com/Andrew8xx8) in [#6063](https://github.com/facebook/react/pull/6063))
+- React DOM does not throw when asynchronously unmounting a child with a `ref`. ([@yiminghe](https://github.com/yiminghe) in [#6095](https://github.com/facebook/react/pull/6095))
+- React DOM no longer forces synchronous layout because of scroll position tracking. ([@syranide](https://github.com/syranide) in [#2271](https://github.com/facebook/react/pull/2271))
+- `Object.is` is used in a number of places to compare values, which leads to fewer false positives, especially involving `NaN`. In particular, this affects the `shallowCompare` add-on. ([@chicoxyzzy](https://github.com/chicoxyzzy) in [#6132](https://github.com/facebook/react/pull/6132))
+- Add-Ons: ReactPerf no longer instruments adding or removing an event listener because they don’t really touch the DOM due to event delegation. ([@antoaravinth](https://github.com/antoaravinth) in [#5209](https://github.com/facebook/react/pull/5209))
+
+### Other improvements
+
+- React now uses `loose-envify` instead of `envify` so it installs fewer transitive dependencies. ([@qerub](https://github.com/qerub) in [#6303](https://github.com/facebook/react/pull/6303))
+- Shallow renderer now exposes `getMountedInstance()`. ([@glenjamin](https://github.com/glenjamin) in [#4918](https://github.com/facebook/react/pull/4918))
+- Shallow renderer now returns the rendered output from `render()`. ([@simonewebdesign](https://github.com/simonewebdesign) in [#5411](https://github.com/facebook/react/pull/5411))
+- React no longer depends on ES5 *shams* for `Object.create` and `Object.freeze` in older environments. It still, however, requires ES5 *shims* in those environments. ([@dgreensp](https://github.com/dgreensp) in [#4959](https://github.com/facebook/react/pull/4959))
+- React DOM now allows `data-` attributes with names that start with numbers. ([@nLight](https://github.com/nLight) in [#5216](https://github.com/facebook/react/pull/5216))
+- React DOM adds a new `suppressContentEditableWarning` prop for components like [Draft.js](https://facebook.github.io/draft-js/) that intentionally manage `contentEditable` children with React. ([@mxstbr](https://github.com/mxstbr) in [#6112](https://github.com/facebook/react/pull/6112))
+- React improves the performance for `createClass()` on complex specs. ([@spicyj](https://github.com/spicyj) in [#5550](https://github.com/facebook/react/pull/5550))
+
+
+## 0.14.8 (March 29, 2016)
+
+### React
+- Fixed memory leak when rendering on the server
+
+## 0.14.7 (January 28, 2016)
+
+### React
+- Fixed bug with `<option>` tags when using `dangerouslySetInnerHTML`
+- Fixed memory leak in synthetic event system
+
+### React TestUtils Add-on
+- Fixed bug with calling `setState` in `componentWillMount` when using shallow rendering
+
+
+## 0.14.6 (January 6, 2016)
+
+### React
+- Updated `fbjs` dependency to pick up change affecting handling of undefined document.
+
+
+## 0.14.5 (December 29, 2015)
+
+### React
+- More minor internal changes for better compatibility with React Native
+
+
+## 0.14.4 (December 29, 2015)
+
+### React
+- Minor internal changes for better compatibility with React Native
+
+### React DOM
+- The `autoCapitalize` and `autoCorrect` props are now set as attributes in the DOM instead of properties to improve cross-browser compatibility
+- Fixed bug with controlled `<select>` elements not handling updates properly
+
+### React Perf Add-on
+- Some DOM operation names have been updated for clarity in the output of `.printDOM()`
+
+
+## 0.14.3 (November 18, 2015)
+
+### React DOM
+- Added support for `nonce` attribute for `<script>` and `<style>` elements
+- Added support for `reversed` attribute for `<ol>` elements
+
+### React TestUtils Add-on
+- Fixed bug with shallow rendering and function refs
+
+### React CSSTransitionGroup Add-on
+- Fixed bug resulting in timeouts firing incorrectly when mounting and unmounting rapidly
+
+### React on Bower
+- Added `react-dom-server.js` to expose `renderToString` and `renderToStaticMarkup` for usage in the browser
+
+
+## 0.14.2 (November 2, 2015)
+
+### React DOM
+- Fixed bug with development build preventing events from firing in some versions of Internet Explorer & Edge
+- Fixed bug with development build when using es5-sham in older versions of Internet Explorer
+- Added support for `integrity` attribute
+- Fixed bug resulting in `children` prop being coerced to a string for custom elements, which was not the desired behavior
+- Moved `react` from `dependencies` to `peerDependencies` to match expectations and align with `react-addons-*` packages
+
+
+## 0.14.1 (October 28, 2015)
+
+### React DOM
+- Fixed bug where events wouldn't fire in old browsers when using React in development mode
+- Fixed bug preventing use of `dangerouslySetInnerHTML` with Closure Compiler Advanced mode
+- Added support for `srcLang`, `default`, and `kind` attributes for `<track>` elements
+- Added support for `color` attribute
+- Ensured legacy `.props` access on DOM nodes is updated on re-renders
+
+### React TestUtils Add-on
+- Fixed `scryRenderedDOMComponentsWithClass` so it works with SVG
+
+### React CSSTransitionGroup Add-on
+- Fix bug preventing `0` to be used as a timeout value
+
+### React on Bower
+- Added `react-dom.js` to `main` to improve compatibility with tooling
+
+
+## 0.14.0 (October 7, 2015)
+
+### Major changes
+
+- Split the main `react` package into two: `react` and `react-dom`.  This paves the way to writing components that can be shared between the web version of React and React Native.  This means you will need to include both files and some functions have been moved from `React` to `ReactDOM`.
+- Addons have been moved to separate packages (`react-addons-clone-with-props`, `react-addons-create-fragment`, `react-addons-css-transition-group`, `react-addons-linked-state-mixin`, `react-addons-perf`, `react-addons-pure-render-mixin`, `react-addons-shallow-compare`, `react-addons-test-utils`, `react-addons-transition-group`, `react-addons-update`, `ReactDOM.unstable_batchedUpdates`).
+- Stateless functional components - React components were previously created using React.createClass or using ES6 classes.  This release adds a [new syntax](https://facebook.github.io/react/docs/reusable-components.html#stateless-functions) where a user defines a single [stateless render function](https://facebook.github.io/react/docs/reusable-components.html#stateless-functions) (with one parameter: `props`) which returns a JSX element, and this function may be used as a component.
+- Refs to DOM components as the DOM node itself. Previously the only useful thing you can do with a DOM component is call `getDOMNode()` to get the underlying DOM node. Starting with this release, a ref to a DOM component _is_ the actual DOM node. **Note that refs to custom (user-defined) components work exactly as before; only the built-in DOM components are affected by this change.**
+
+
+### Breaking changes
+
+- `React.initializeTouchEvents` is no longer necessary and has been removed completely. Touch events now work automatically.
+- Add-Ons: Due to the DOM node refs change mentioned above, `TestUtils.findAllInRenderedTree` and related helpers are no longer able to take a DOM component, only a custom component.
+- The `props` object is now frozen, so mutating props after creating a component element is no longer supported. In most cases, [`React.cloneElement`](https://facebook.github.io/react/docs/react-api.html#cloneelement) should be used instead. This change makes your components easier to reason about and enables the compiler optimizations mentioned above.
+- Plain objects are no longer supported as React children; arrays should be used instead. You can use the [`createFragment`](https://facebook.github.io/react/docs/create-fragment.html) helper to migrate, which now returns an array.
+- Add-Ons: `classSet` has been removed. Use [classnames](https://github.com/JedWatson/classnames) instead.
+- Web components (custom elements) now use native property names.  Eg: `class` instead of `className`.
+
+### Deprecations
+
+- `this.getDOMNode()` is now deprecated and `ReactDOM.findDOMNode(this)` can be used instead. Note that in the common case, `findDOMNode` is now unnecessary since a ref to the DOM component is now the actual DOM node.
+- `setProps` and `replaceProps` are now deprecated. Instead, call ReactDOM.render again at the top level with the new props.
+- ES6 component classes must now extend `React.Component` in order to enable stateless function components. The [ES3 module pattern](https://facebook.github.io/react/blog/2015/01/27/react-v0.13.0-beta-1.html#other-languages) will continue to work.
+- Reusing and mutating a `style` object between renders has been deprecated. This mirrors our change to freeze the `props` object.
+- Add-Ons: `cloneWithProps` is now deprecated. Use [`React.cloneElement`](https://facebook.github.io/react/docs/react-api.html#cloneelement) instead (unlike `cloneWithProps`, `cloneElement` does not merge `className` or `style` automatically; you can merge them manually if needed).
+- Add-Ons: To improve reliability, `CSSTransitionGroup` will no longer listen to transition events. Instead, you should specify transition durations manually using props such as `transitionEnterTimeout={500}`.
+
+### Notable enhancements
+
+- Added `React.Children.toArray` which takes a nested children object and returns a flat array with keys assigned to each child. This helper makes it easier to manipulate collections of children in your `render` methods, especially if you want to reorder or slice `this.props.children` before passing it down. In addition, `React.Children.map` now returns plain arrays too.
+- React uses `console.error` instead of `console.warn` for warnings so that browsers show a full stack trace in the console. (Our warnings appear when you use patterns that will break in future releases and for code that is likely to behave unexpectedly, so we do consider our warnings to be “must-fix” errors.)
+- Previously, including untrusted objects as React children [could result in an XSS security vulnerability](http://danlec.com/blog/xss-via-a-spoofed-react-element). This problem should be avoided by properly validating input at the application layer and by never passing untrusted objects around your application code. As an additional layer of protection, [React now tags elements](https://github.com/facebook/react/pull/4832) with a specific [ES2015 (ES6) `Symbol`](http://www.2ality.com/2014/12/es6-symbols.html) in browsers that support it, in order to ensure that React never considers untrusted JSON to be a valid element. If this extra security protection is important to you, you should add a `Symbol` polyfill for older browsers, such as the one included by [Babel’s polyfill](http://babeljs.io/docs/usage/polyfill/).
+- When possible, React DOM now generates XHTML-compatible markup.
+- React DOM now supports these standard HTML attributes: `capture`, `challenge`, `inputMode`, `is`, `keyParams`, `keyType`, `minLength`, `summary`, `wrap`. It also now supports these non-standard attributes: `autoSave`, `results`, `security`.
+- React DOM now supports these SVG attributes, which render into namespaced attributes: `xlinkActuate`, `xlinkArcrole`, `xlinkHref`, `xlinkRole`, `xlinkShow`, `xlinkTitle`, `xlinkType`, `xmlBase`, `xmlLang`, `xmlSpace`.
+- The `image` SVG tag is now supported by React DOM.
+- In React DOM, arbitrary attributes are supported on custom elements (those with a hyphen in the tag name or an `is="..."` attribute).
+- React DOM now supports these media events on `audio` and `video` tags: `onAbort`, `onCanPlay`, `onCanPlayThrough`, `onDurationChange`, `onEmptied`, `onEncrypted`, `onEnded`, `onError`, `onLoadedData`, `onLoadedMetadata`, `onLoadStart`, `onPause`, `onPlay`, `onPlaying`, `onProgress`, `onRateChange`, `onSeeked`, `onSeeking`, `onStalled`, `onSuspend`, `onTimeUpdate`, `onVolumeChange`, `onWaiting`.
+- Many small performance improvements have been made.
+- Many warnings show more context than before.
+- Add-Ons: A [`shallowCompare`](https://github.com/facebook/react/pull/3355) add-on has been added as a migration path for `PureRenderMixin` in ES6 classes.
+- Add-Ons: `CSSTransitionGroup` can now use [custom class names](https://github.com/facebook/react/blob/48942b85/docs/docs/10.1-animation.md#custom-classes) instead of appending `-enter-active` or similar to the transition name.
+
+### New helpful warnings
+
+- React DOM now warns you when nesting HTML elements invalidly, which helps you avoid surprising errors during updates.
+- Passing `document.body` directly as the container to `ReactDOM.render` now gives a warning as doing so can cause problems with browser extensions that modify the DOM.
+- Using multiple instances of React together is not supported, so we now warn when we detect this case to help you avoid running into the resulting problems.
+
+### Notable bug fixes
+
+- Click events are handled by React DOM more reliably in mobile browsers, particularly in Mobile Safari.
+- SVG elements are created with the correct namespace in more cases.
+- React DOM now renders `<option>` elements with multiple text children properly and renders `<select>` elements on the server with the correct option selected.
+- When two separate copies of React add nodes to the same document (including when a browser extension uses React), React DOM tries harder not to throw exceptions during event handling.
+- Using non-lowercase HTML tag names in React DOM (e.g., `React.createElement('DIV')`) no longer causes problems, though we continue to recommend lowercase for consistency with the JSX tag name convention (lowercase names refer to built-in components, capitalized names refer to custom components).
+- React DOM understands that these CSS properties are unitless and does not append “px” to their values: `animationIterationCount`, `boxOrdinalGroup`, `flexOrder`, `tabSize`, `stopOpacity`.
+- Add-Ons: When using the test utils, `Simulate.mouseEnter` and `Simulate.mouseLeave` now work.
+- Add-Ons: ReactTransitionGroup now correctly handles multiple nodes being removed simultaneously.
+
+
+### React Tools / Babel
+
+#### Breaking Changes
+
+- The `react-tools` package and `JSXTransformer.js` browser file [have been deprecated](https://facebook.github.io/react/blog/2015/06/12/deprecating-jstransform-and-react-tools.html). You can continue using version `0.13.3` of both, but we no longer support them and recommend migrating to [Babel](http://babeljs.io/), which has built-in support for React and JSX.
+
+#### New Features
+
+- Babel 5.8.24 introduces **Inlining React elements:** The `optimisation.react.inlineElements` transform converts JSX elements to object literals like `{type: 'div', props: ...}` instead of calls to `React.createElement`.  This should only be enabled in production, since it disables some development warnings/checks.
+- Babel 5.8.24 introduces **Constant hoisting for React elements:** The `optimisation.react.constantElements` transform hoists element creation to the top level for subtrees that are fully static, which reduces calls to `React.createElement` and the resulting allocations. More importantly, it tells React that the subtree hasn’t changed so React can completely skip it when reconciling.  This should only be enabled in production, since it disables some development warnings/checks.
+
+
+## 0.13.3 (May 8, 2015)
+
+### React Core
+
+#### New Features
+
+* Added `clipPath` element and attribute for SVG
+* Improved warnings for deprecated methods in plain JS classes
+
+#### Bug Fixes
+
+* Loosened `dangerouslySetInnerHTML` restrictions so `{__html: undefined}` will no longer throw
+* Fixed extraneous context warning with non-pure `getChildContext`
+* Ensure `replaceState(obj)` retains prototype of `obj`
+
+### React with Add-ons
+
+### Bug Fixes
+
+* Test Utils: Ensure that shallow rendering works when components define `contextTypes`
+
+
+## 0.13.2 (April 18, 2015)
+
+### React Core
+
+#### New Features
+
+* Added `strokeDashoffset`, `flexPositive`, `flexNegative` to the list of unitless CSS properties
+* Added support for more DOM properties:
+  * `scoped` - for `<style>` elements
+  * `high`, `low`, `optimum` - for `<meter>` elements
+  * `unselectable` - IE-specific property to prevent user selection
+
+#### Bug Fixes
+
+* Fixed a case where re-rendering after rendering null didn't properly pass context
+* Fixed a case where re-rendering after rendering with `style={null}` didn't properly update `style`
+* Update `uglify` dependency to prevent a bug in IE8
+* Improved warnings
+
+### React with Add-Ons
+
+#### Bug Fixes
+
+* Immutability Helpers: Ensure it supports `hasOwnProperty` as an object key
+
+### React Tools
+
+* Improve documentation for new options
+
+
+## 0.13.1 (March 16, 2015)
+
+### React Core
+
+#### Bug Fixes
+
+* Don't throw when rendering empty `<select>` elements
+* Ensure updating `style` works when transitioning from `null`
+
+### React with Add-Ons
+
+#### Bug Fixes
+
+* TestUtils: Don't warn about `getDOMNode` for ES6 classes
+* TestUtils: Ensure wrapped full page components (`<html>`, `<head>`, `<body>`) are treated as DOM components
+* Perf: Stop double-counting DOM components
+
+### React Tools
+
+#### Bug Fixes
+
+* Fix option parsing for `--non-strict-es6module`
+
+
+## 0.13.0 (March 10, 2015)
+
+### React Core
+
+#### Breaking Changes
+
+* Deprecated patterns that warned in 0.12 no longer work: most prominently, calling component classes without using JSX or React.createElement and using non-component functions with JSX or createElement
+* Mutating `props` after an element is created is deprecated and will cause warnings in development mode; future versions of React will incorporate performance optimizations assuming that props aren't mutated
+* Static methods (defined in `statics`) are no longer autobound to the component class
+* `ref` resolution order has changed slightly such that a ref to a component is available immediately after its `componentDidMount` method is called; this change should be observable only if your component calls a parent component's callback within your `componentDidMount`, which is an anti-pattern and should be avoided regardless
+* Calls to `setState` in life-cycle methods are now always batched and therefore asynchronous. Previously the first call on the first mount was synchronous.
+* `setState` and `forceUpdate` on an unmounted component now warns instead of throwing. That avoids a possible race condition with Promises.
+* Access to most internal properties has been completely removed, including `this._pendingState` and `this._rootNodeID`.
+
+#### New Features
+
+* Support for using ES6 classes to build React components; see the [v0.13.0 beta 1 notes](https://facebook.github.io/react/blog/2015/01/27/react-v0.13.0-beta-1.html) for details.
+* Added new top-level API `React.findDOMNode(component)`, which should be used in place of `component.getDOMNode()`. The base class for ES6-based components will not have `getDOMNode`. This change will enable some more patterns moving forward.
+* Added a new top-level API `React.cloneElement(el, props)` for making copies of React elements – see the [v0.13 RC2 notes](https://facebook.github.io/react/blog/2015/03/03/react-v0.13-rc2.html#react.cloneelement) for more details.
+* New `ref` style, allowing a callback to be used in place of a name: `<Photo ref={(c) => this._photo = c} />` allows you to reference the component with `this._photo` (as opposed to `ref="photo"` which gives `this.refs.photo`).
+* `this.setState()` can now take a function as the first argument for transactional state updates, such as `this.setState((state, props) => ({count: state.count + 1}));` – this means that you no longer need to use `this._pendingState`, which is now gone.
+* Support for iterators and immutable-js sequences as children.
+
+#### Deprecations
+
+* `ComponentClass.type` is deprecated. Just use `ComponentClass` (usually as `element.type === ComponentClass`).
+* Some methods that are available on `createClass`-based components are removed or deprecated from ES6 classes (`getDOMNode`, `replaceState`, `isMounted`, `setProps`, `replaceProps`).
+
+### React with Add-Ons
+
+#### New Features
+
+* [`React.addons.createFragment` was added](https://facebook.github.io/react/docs/create-fragment.html) for adding keys to entire sets of children.
+
+#### Deprecations
+
+* `React.addons.classSet` is now deprecated. This functionality can be replaced with several freely available modules. [classnames](https://www.npmjs.com/package/classnames) is one such module.
+* Calls to `React.addons.cloneWithProps` can be migrated to use `React.cloneElement` instead – make sure to merge `style` and `className` manually if desired.
+
+### React Tools
+
+#### Breaking Changes
+
+* When transforming ES6 syntax, `class` methods are no longer enumerable by default, which requires `Object.defineProperty`; if you support browsers such as IE8, you can pass `--target es3` to mirror the old behavior
+
+#### New Features
+
+* `--target` option is available on the jsx command, allowing users to specify and ECMAScript version to target.
+  * `es5` is the default.
+  * `es3` restores the previous default behavior. An additional transform is added here to ensure the use of reserved words as properties is safe (eg `this.static` will become `this['static']` for IE8 compatibility).
+* The transform for the call spread operator has also been enabled.
+
+### JSXTransformer
+
+#### Breaking Changes
+
+* The return value of `transform` now contains `sourceMap` as a JS object already, not an instance of `SourceMapGenerator`.
+
+### JSX
+
+#### Breaking Changes
+* A change was made to how some JSX was parsed, specifically around the use of `>` or `}` when inside an element. Previously it would be treated as a string but now it will be treated as a parse error. The [`jsx_orphaned_brackets_transformer`](https://www.npmjs.com/package/jsx_orphaned_brackets_transformer) package on npm can be used to find and fix potential issues in your JSX code.
+
+
+## 0.12.2 (December 18, 2014)
+
+### React Core
+
+* Added support for more HTML attributes: `formAction`, `formEncType`, `formMethod`, `formTarget`, `marginHeight`, `marginWidth`
+* Added `strokeOpacity` to the list of unitless CSS properties
+* Removed trailing commas (allows npm module to be bundled and used in IE8)
+* Fixed bug resulting in error when passing `undefined` to `React.createElement` - now there is a useful warning
+
+### React Tools
+
+* JSX-related transforms now always use double quotes for props and `displayName`
+
+
+## 0.12.1 (November 18, 2014)
+
+### React Tools
+
+* Types transform updated with latest support
+* jstransform version updated with improved ES6 transforms
+* Explicit Esprima dependency removed in favor of using Esprima information exported by jstransform
+
+
+## 0.12.0 (October 28, 2014)
+
+### React Core
+
+#### Breaking Changes
+
+* `key` and `ref` moved off props object, now accessible on the element directly
+* React is now BSD licensed with accompanying Patents grant
+* Default prop resolution has moved to Element creation time instead of mount time, making them effectively static
+* `React.__internals` is removed - it was exposed for DevTools which no longer needs access
+* Composite Component functions can no longer be called directly - they must be wrapped with `React.createFactory` first. This is handled for you when using JSX.
+
+#### New Features
+
+* Spread operator (`{...}`) introduced to deprecate `this.transferPropsTo`
+* Added support for more HTML attributes: `acceptCharset`, `classID`, `manifest`
+
+#### Deprecations
+
+* `React.renderComponent` --> `React.render`
+* `React.renderComponentToString` --> `React.renderToString`
+* `React.renderComponentToStaticMarkup` --> `React.renderToStaticMarkup`
+* `React.isValidComponent` --> `React.isValidElement`
+* `React.PropTypes.component` --> `React.PropTypes.element`
+* `React.PropTypes.renderable` --> `React.PropTypes.node`
+* **DEPRECATED** `React.isValidClass`
+* **DEPRECATED** `instance.transferPropsTo`
+* **DEPRECATED** Returning `false` from event handlers to preventDefault
+* **DEPRECATED** Convenience Constructor usage as function, instead wrap with `React.createFactory`
+* **DEPRECATED** use of `key={null}` to assign implicit keys
+
+#### Bug Fixes
+
+* Better handling of events and updates in nested results, fixing value restoration in "layered" controlled components
+* Correctly treat `event.getModifierState` as case sensitive
+* Improved normalization of `event.charCode`
+* Better error stacks when involving autobound methods
+* Removed DevTools message when the DevTools are installed
+* Correctly detect required language features across browsers
+* Fixed support for some HTML attributes:
+  * `list` updates correctly now
+  * `scrollLeft`, `scrollTop` removed, these should not be specified as props
+* Improved error messages
+
+### React With Addons
+
+#### New Features
+
+* `React.addons.batchedUpdates` added to API for hooking into update cycle
+
+#### Breaking Changes
+
+* `React.addons.update` uses `assign` instead of `copyProperties` which does `hasOwnProperty` checks. Properties on prototypes will no longer be updated correctly.
+
+#### Bug Fixes
+
+* Fixed some issues with CSS Transitions
+
+### JSX
+
+#### Breaking Changes
+
+* Enforced convention: lower case tag names are always treated as HTML tags, upper case tag names are always treated as composite components
+* JSX no longer transforms to simple function calls
+
+#### New Features
+
+* `@jsx React.DOM` no longer required
+* spread (`{...}`) operator introduced to allow easier use of props
+
+#### Bug Fixes
+
+* JSXTransformer: Make sourcemaps an option when using APIs directly (eg, for react-rails)
+
+
 ## 0.11.2 (September 16, 2014)

 ### React Core
@@ -94,7 +943,7 @@

 #### New Features
 * Added warnings to help migrate towards descriptors
-* Made it possible to server render without React-related markup (`data-reactid`, `data-react-checksum`). This DOM will not be mountable by React. [Read the docs for `React.renderComponentToStaticMarkup`](http://facebook.github.io/react/docs/top-level-api.html#react.rendercomponenttostaticmarkup)
+* Made it possible to server render without React-related markup (`data-reactid`, `data-react-checksum`). This DOM will not be mountable by React. [Read the docs for `React.renderComponentToStaticMarkup`](https://facebook.github.io/react/docs/top-level-api.html#react.rendercomponenttostaticmarkup)
 * Added support for more attributes:
  * `srcSet` for `<img>` to specify images at different pixel ratios
  * `textAnchor` for SVG
@@ -106,7 +955,7 @@

 ### Addons

-* `update` function to deal with immutable data. [Read the docs](http://facebook.github.io/react/docs/update.html)
+* `update` function to deal with immutable data. [Read the docs](https://facebook.github.io/react/docs/update.html)

 ### react-tools
 * Added an option argument to `transform` function. The only option supported is `harmony`, which behaves the same as `jsx --harmony` on the command line. This uses the ES6 transforms from [jstransform](https://github.com/facebook/jstransform).
@@ -268,7 +1117,7 @@

 ### React with Addons (New!)

-* Introduced a separate build with several "addons" which we think can help improve the React experience. We plan to deprecate this in the long-term, instead shipping each as standalone pieces. [Read more in the docs](http://facebook.github.io/react/docs/addons.html).
+* Introduced a separate build with several "addons" which we think can help improve the React experience. We plan to deprecate this in the long-term, instead shipping each as standalone pieces. [Read more in the docs](https://facebook.github.io/react/docs/addons.html).

 ### JSX

@@ -301,10 +1150,10 @@
 * Switch from using `id` attribute to `data-reactid` to track DOM nodes. This allows you to integrate with other JS and CSS libraries more easily.
 * Support for more DOM elements and attributes (e.g., `<canvas>`)
 * Improved server-side rendering APIs. `React.renderComponentToString(<component>, callback)` allows you to use React on the server and generate markup which can be sent down to the browser.
-* `prop` improvements: validation and default values. [Read our blog post for details...](http://facebook.github.io/react/blog/2013/07/11/react-v0-4-prop-validation-and-default-values.html)
-* Support for the `key` prop, which allows for finer control over reconciliation. [Read the docs for details...](http://facebook.github.io/react/docs/multiple-components.html)
-* Removed `React.autoBind`. [Read our blog post for details...](http://facebook.github.io/react/blog/2013/07/02/react-v0-4-autobind-by-default.html)
-* Improvements to forms. We've written wrappers around `<input>`, `<textarea>`, `<option>`, and `<select>` in order to standardize many inconsistencies in browser implementations. This includes support for `defaultValue`, and improved implementation of the `onChange` event, and circuit completion. [Read the docs for details...](http://facebook.github.io/react/docs/forms.html)
+* `prop` improvements: validation and default values. [Read our blog post for details...](https://facebook.github.io/react/blog/2013/07/11/react-v0-4-prop-validation-and-default-values.html)
+* Support for the `key` prop, which allows for finer control over reconciliation. [Read the docs for details...](https://facebook.github.io/react/docs/multiple-components.html)
+* Removed `React.autoBind`. [Read our blog post for details...](https://facebook.github.io/react/blog/2013/07/02/react-v0-4-autobind-by-default.html)
+* Improvements to forms. We've written wrappers around `<input>`, `<textarea>`, `<option>`, and `<select>` in order to standardize many inconsistencies in browser implementations. This includes support for `defaultValue`, and improved implementation of the `onChange` event, and circuit completion. [Read the docs for details...](https://facebook.github.io/react/docs/forms.html)
 * We've implemented an improved synthetic event system that conforms to the W3C spec.
 * Updates to your component are batched now, which may result in a significantly faster re-render of components. `this.setState` now takes an optional callback as it's second parameter. If you were using `onClick={this.setState.bind(this, state)}` previously, you'll want to make sure you add a third parameter so that the event is not treated as the callback.

@@ -336,14 +1185,14 @@

 * Upgrade Commoner so `require` statements are no longer relativized when passing through the transformer. This was a feature needed when building React, but doesn't translate well for other consumers of `bin/jsx`.
 * Upgraded our dependencies on Commoner and Recast so they use a different directory for their cache.
-* Freeze our esprima dependency.
+* Freeze our Esprima dependency.


 ## 0.3.2 (May 31, 2013)

 ### JSX

-* Improved compatability with other coding styles (specifically, multiple assignments with a single `var`).
+* Improved compatibility with other coding styles (specifically, multiple assignments with a single `var`).

 ### react-tools

--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,64 +1,5 @@
 # Contributing to React

-React is one of Facebook's first open source projects that is both under very active development and is also being used to ship code to everybody on facebook.com. We're still working out the kinks to make contributing to this project as easy and transparent as possible, but we're not quite there yet. Hopefully this document makes the process for contributing clear and preempts some questions you may have.
+Want to contribute to React? There are a few things you need to know.  

-## Our Development Process
-
-Some of the core team will be working directly on GitHub. These changes will be public from the beginning. Other changesets will come via a bridge with Facebook's internal source control. This is a necessity as it allows engineers at Facebook outside of the core team to move fast and contribute from an environment they are comfortable in.
-
-### `master` is unsafe
-
-We will do our best to keep `master` in good shape, with tests passing at all times. But in order to move fast, we will make API changes that your application might not be compatible with. We will do our best to communicate these changes and always version appropriately so you can lock into a specific version if need be.
-
-### Pull Requests
-
-The core team will be monitoring for pull requests. When we get one, we'll run some Facebook-specific integration tests on it first. From here, we'll need to get another person to sign off on the changes and then merge the pull request. For API changes we may need to fix internal uses, which could cause some delay. We'll do our best to provide updates and feedback throughout the process.
-
-*Before* submitting a pull request, please make sure the following is done…
-
-1. Fork the repo and create your branch from `master`.
-2. If you've added code that should be tested, add tests!
-3. If you've changed APIs, update the documentation.
-4. Ensure the test suite passes (`grunt test`).
-5. Make sure your code lints (`grunt lint`) - we've done our best to make sure these rules match our internal linting guidelines.
-6. If you haven't already, complete the CLA.
-
-### Contributor License Agreement ("CLA")
-
-In order to accept your pull request, we need you to submit a CLA. You only need to do this once, so if you've done this for another Facebook open source project, you're good to go. If you are submitting a pull request for the first time, just let us know that you have completed the CLA and we can cross-check with your GitHub username.
-
-Complete your CLA here: <https://code.facebook.com/cla>
-
-## Bugs
-
-### Where to Find Known Issues
-
-We will be using GitHub Issues for our public bugs. We will keep a close eye on this and try to make it clear when we have an internal fix in progress. Before filing a new task, try to make sure your problem doesn't already exist.
-
-### Reporting New Issues
-
-The best way to get your bug fixed is to provide a reduced test case. jsFiddle, jsBin, and other sites provide a way to give live examples. Those are especially helpful though may not work for `JSX`-based code.
-
-### Security Bugs
-
-Facebook has a [bounty program](https://www.facebook.com/whitehat/) for the safe disclosure of security bugs. With that in mind, please do not file public issues and go through the process outlined on that page.
-
-## How to Get in Touch
-
-* IRC - [#reactjs on freenode](http://webchat.freenode.net/?channels=reactjs)
-* Mailing list - [reactjs on Google Groups](http://groups.google.com/group/reactjs)
-
-## Coding Style
-
-* Use semicolons;
-* Commas last,
-* 2 spaces for indentation (no tabs)
-* Prefer `'` over `"`
-* `"use strict";`
-* 80 character line length
-* "Attractive"
-* Do not use the optional parameters of `setTimeout` and `setInterval`
-
-## License
-
-By contributing to React, you agree that your contributions will be licensed under the [Apache License Version 2.0 (APLv2)](LICENSE).
+We wrote a **[contribution guide](https://facebook.github.io/react/contributing/how-to-contribute.html)** to help you get started.
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -1,259 +1,200 @@
 'use strict';

-var exec = require('child_process').exec;
-var jsxTask = require('./grunt/tasks/jsx');
-var browserifyTask = require('./grunt/tasks/browserify');
-var populistTask = require('./grunt/tasks/populist');
-var webdriverPhantomJSTask = require('./grunt/tasks/webdriver-phantomjs');
-var webdriverJasmineTasks = require('./grunt/tasks/webdriver-jasmine');
-var sauceTunnelTask = require('./grunt/tasks/sauce-tunnel');
-var npmTask = require('./grunt/tasks/npm');
-var releaseTasks = require('./grunt/tasks/release');
-var npmReactTasks = require('./grunt/tasks/npm-react');
-var npmReactToolsTasks = require('./grunt/tasks/npm-react-tools');
-var versionCheckTask = require('./grunt/tasks/version-check');
+var path = require('path');
+
+var GULP_EXE = 'gulp';
+if (process.platform === 'win32') {
+  GULP_EXE += '.cmd';
+}

 module.exports = function(grunt) {

  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
-    copy: require('./grunt/config/copy'),
-    jsx: require('./grunt/config/jsx'),
    browserify: require('./grunt/config/browserify'),
-    populist: require('./grunt/config/populist')(grunt),
-    connect: require('./grunt/config/server')(grunt),
-    "webdriver-jasmine": require('./grunt/config/webdriver-jasmine'),
-    "webdriver-perf": require('./grunt/config/webdriver-perf'),
    npm: require('./grunt/config/npm'),
-    clean: ['./build', './*.gem', './docs/_site', './examples/shared/*.js', '.module-cache'],
-    jshint: require('./grunt/config/jshint'),
-    compare_size: require('./grunt/config/compare_size')
+    clean: [
+      './build',
+      './*.gem',
+      './docs/_site',
+      './examples/shared/*.js',
+      '.module-cache',
+    ],
+    'compare_size': require('./grunt/config/compare_size'),
  });

-  grunt.config.set('compress', require('./grunt/config/compress'));
+  function spawnGulp(args, opts, done) {
+
+    grunt.util.spawn({
+      // This could be more flexible (require.resolve & lookup bin in package)
+      // but if it breaks we'll fix it then.
+      cmd: path.join('node_modules', '.bin', GULP_EXE),
+      args: args,
+      opts: Object.assign({stdio: 'inherit'}, opts),
+    }, function(err, result, code) {
+      if (err) {
+        grunt.fail.fatal('Something went wrong running gulp: ', result);
+      }
+      done(code === 0);
+    });
+  }

  Object.keys(grunt.file.readJSON('package.json').devDependencies)
-    .filter(function(npmTaskName) { return npmTaskName.indexOf('grunt-') === 0; })
-    .filter(function(npmTaskName) { return npmTaskName != 'grunt-cli'; })
-    .forEach(function(npmTaskName) { grunt.loadNpmTasks(npmTaskName); });
+    .filter(function(npmTaskName) {
+      return npmTaskName.indexOf('grunt-') === 0;
+    })
+    .filter(function(npmTaskName) {
+      return npmTaskName !== 'grunt-cli';
+    })
+    .forEach(function(npmTaskName) {
+      grunt.loadNpmTasks(npmTaskName);
+    });

-  // Alias 'jshint' to 'lint' to better match the workflow we know
-  grunt.registerTask('lint', ['jshint']);
+  grunt.registerTask('eslint', function() {
+    // Use gulp here.
+    spawnGulp(['eslint'], null, this.async());
+  });

-  grunt.registerTask('download-previous-version', require('./grunt/tasks/download-previous-version.js'));
+  grunt.registerTask('lint', ['eslint']);
+
+  grunt.registerTask('flow', function() {
+    // Use gulp here.
+    spawnGulp(['flow'], null, this.async());
+  });

  grunt.registerTask('delete-build-modules', function() {
-    if (grunt.file.exists('build/modules')) {
-      grunt.file.delete('build/modules');
-    }
+    // Use gulp here.
+    spawnGulp(['react:clean'], null, this.async());
  });

-  // Register jsx:normal and :release tasks.
-  grunt.registerMultiTask('jsx', jsxTask);
+  // Our own browserify-based tasks to build a single JS file build.
+  grunt.registerMultiTask('browserify', require('./grunt/tasks/browserify'));

-  // Our own browserify-based tasks to build a single JS file build
-  grunt.registerMultiTask('browserify', browserifyTask);
-
-  grunt.registerMultiTask('populist', populistTask);
-
-  grunt.registerTask('sauce-tunnel', sauceTunnelTask);
-
-  grunt.registerMultiTask('webdriver-jasmine', webdriverJasmineTasks);
-
-  grunt.registerMultiTask('webdriver-perf', require('./grunt/tasks/webdriver-perf'));
-
-  grunt.registerMultiTask('npm', npmTask);
+  grunt.registerMultiTask('npm', require('./grunt/tasks/npm'));

+  var npmReactTasks = require('./grunt/tasks/npm-react');
  grunt.registerTask('npm-react:release', npmReactTasks.buildRelease);
  grunt.registerTask('npm-react:pack', npmReactTasks.packRelease);
-  grunt.registerTask('npm-react-tools:release', npmReactToolsTasks.buildRelease);
-  grunt.registerTask('npm-react-tools:pack', npmReactToolsTasks.packRelease);

-  grunt.registerTask('version-check', versionCheckTask);
+  var npmReactDOMTasks = require('./grunt/tasks/npm-react-dom');
+  grunt.registerTask('npm-react-dom:release', npmReactDOMTasks.buildRelease);
+  grunt.registerTask('npm-react-dom:pack', npmReactDOMTasks.packRelease);

-  grunt.registerTask('build:basic', ['jsx:normal', 'version-check', 'browserify:basic']);
-  grunt.registerTask('build:addons', ['jsx:normal', 'browserify:addons']);
-  grunt.registerTask('build:transformer', ['jsx:normal', 'browserify:transformer']);
-  grunt.registerTask('build:min', ['jsx:normal', 'version-check', 'browserify:min']);
-  grunt.registerTask('build:addons-min', ['jsx:normal', 'browserify:addonsMin']);
-  grunt.registerTask('build:withCodeCoverageLogging', [
-    'jsx:normal',
+  var npmReactTestRendererTasks = require('./grunt/tasks/npm-react-test');
+  grunt.registerTask('npm-react-test:release', npmReactTestRendererTasks.buildRelease);
+  grunt.registerTask('npm-react-test:pack', npmReactTestRendererTasks.packRelease);
+
+  grunt.registerTask('version-check', function() {
+    // Use gulp here.
+    spawnGulp(['version-check'], null, this.async());
+  });
+
+  grunt.registerTask('build:basic', [
+    'build-modules',
    'version-check',
-    'browserify:withCodeCoverageLogging'
-  ]);
-  grunt.registerTask('build:perf', [
-    'jsx:normal',
-    'version-check',
-    'browserify:transformer',
    'browserify:basic',
-    'browserify:min',
-    'download-previous-version'
  ]);
-  grunt.registerTask('build:test', [
-    'delete-build-modules',
-    'jsx:test',
+  grunt.registerTask('build:addons', [
+    'build-modules',
+    'browserify:addons',
+  ]);
+  grunt.registerTask('build:min', [
+    'build-modules',
    'version-check',
-    'populist:test'
+    'browserify:min',
  ]);
-  grunt.registerTask('build:npm-react', ['version-check', 'jsx:normal', 'npm-react:release']);
-
-  grunt.registerTask('webdriver-phantomjs', webdriverPhantomJSTask);
-
-  grunt.registerTask('coverage:parse', require('./grunt/tasks/coverage-parse'));
-
-  grunt.registerTask('test:webdriver:phantomjs', [
-    'connect',
-    'webdriver-phantomjs',
-    'webdriver-jasmine:local'
+  grunt.registerTask('build:addons-min', [
+    'build-modules',
+    'browserify:addonsMin',
+  ]);
+  grunt.registerTask('build:dom', [
+    'build-modules',
+    'version-check',
+    'browserify:dom',
+  ]);
+  grunt.registerTask('build:dom-min', [
+    'build-modules',
+    'version-check',
+    'browserify:domMin',
+  ]);
+  grunt.registerTask('build:dom-server', [
+    'build-modules',
+    'version-check',
+    'browserify:domServer',
+  ]);
+  grunt.registerTask('build:dom-server-min', [
+    'build-modules',
+    'version-check',
+    'browserify:domServerMin',
+  ]);
+  grunt.registerTask('build:dom-fiber', [
+    'build-modules',
+    'version-check',
+    'browserify:domFiber',
+  ]);
+  grunt.registerTask('build:dom-fiber-min', [
+    'build-modules',
+    'version-check',
+    'browserify:domFiberMin',
+  ]);
+  grunt.registerTask('build:npm-react', [
+    'version-check',
+    'build-modules',
+    'npm-react:release',
  ]);

-  grunt.registerTask('perf:webdriver:phantomjs', [
-    'connect',
-    'webdriver-phantomjs',
-    'webdriver-perf:local'
-  ]);
+  var jestTasks = require('./grunt/tasks/jest');
+  grunt.registerTask('jest:normal', jestTasks.normal);
+  grunt.registerTask('jest:coverage', jestTasks.coverage);

-  grunt.registerTask('test:full', [
-    'build:test',
-    'build:basic',
-
-    'connect',
-    'webdriver-phantomjs',
-    'webdriver-jasmine:local',
-
-    'sauce-tunnel',
-    'webdriver-jasmine:saucelabs_android',
-    'webdriver-jasmine:saucelabs_firefox',
-    'webdriver-jasmine:saucelabs_chrome'
-  ]);
-
-  grunt.registerTask('perf:full', [
-    'build:perf',
-
-    'connect',
-    'webdriver-phantomjs',
-    'webdriver-perf:local',
-
-    'sauce-tunnel',
-    'webdriver-perf:saucelabs_firefox',
-    'webdriver-perf:saucelabs_chrome',
-    'webdriver-perf:saucelabs_ie11',
-    'webdriver-perf:saucelabs_ie8',
-  ]);
-
-  grunt.registerTask('test:webdriver:saucelabs', [
-    'build:test',
-    'build:basic',
-
-    'connect',
-    'sauce-tunnel',
-    'webdriver-jasmine:saucelabs_' + (process.env.BROWSER_NAME || 'ie8')
-  ]);
-
-  grunt.registerTask('test:webdriver:saucelabs:modern', [
-    'build:test',
-    'build:basic',
-
-    'connect',
-    'sauce-tunnel',
-    'webdriver-jasmine:saucelabs_android',
-    'webdriver-jasmine:saucelabs_firefox',
-    'webdriver-jasmine:saucelabs_chrome',
-    'webdriver-jasmine:saucelabs_ie11'
-  ]);
-
-  grunt.registerTask('test:webdriver:saucelabs:ie', [
-    'build:test',
-    'build:basic',
-
-    'connect',
-    'sauce-tunnel',
-    'webdriver-jasmine:saucelabs_ie8',
-    'webdriver-jasmine:saucelabs_ie9',
-    'webdriver-jasmine:saucelabs_ie10',
-    'webdriver-jasmine:saucelabs_ie11'
-  ]);
-
-  grunt.registerTask('test:webdriver:saucelabs:ios', [
-    'build:test',
-    'build:basic',
-
-    'connect',
-    'sauce-tunnel',
-    'webdriver-jasmine:saucelabs_ios6_1',
-    'webdriver-jasmine:saucelabs_ios5_1',
-    'webdriver-jasmine:saucelabs_ios4'
-  ]);
-
-  grunt.registerTask('test:coverage', [
-    'build:test',
-    'build:withCodeCoverageLogging',
-    'test:webdriver:phantomjs',
-    'coverage:parse'
-  ]);
-  grunt.registerTask('fasttest', function() {
-    if (grunt.option('debug')) {
-      grunt.task.run('build:test', 'connect:server:keepalive');
-    } else {
-      grunt.task.run('build:test', 'test:webdriver:phantomjs');
-    }
-  });
-  grunt.registerTask('test', function() {
-    if (grunt.option('debug')) {
-      grunt.task.run('build:test', 'build:basic', 'connect:server:keepalive');
-    } else {
-      grunt.task.run('build:test', 'build:basic', 'test:webdriver:phantomjs');
-    }
-  });
-  grunt.registerTask('perf', ['build:perf', 'perf:webdriver:phantomjs']);
+  grunt.registerTask('test', ['jest:normal']);
  grunt.registerTask('npm:test', ['build', 'npm:pack']);

  // Optimized build task that does all of our builds. The subtasks will be run
-  // in order so we can take advantage of that and only run jsx:normal once.
+  // in order so we can take advantage of that and only run build-modules once.
  grunt.registerTask('build', [
    'delete-build-modules',
-    'jsx:normal',
+    'build-modules',
    'version-check',
    'browserify:basic',
-    'browserify:transformer',
    'browserify:addons',
    'browserify:min',
    'browserify:addonsMin',
+    'browserify:dom',
+    'browserify:domMin',
+    'browserify:domServer',
+    'browserify:domServerMin',
+    'browserify:domFiber',
+    'browserify:domFiberMin',
    'npm-react:release',
    'npm-react:pack',
-    'npm-react-tools:release',
-    'npm-react-tools:pack',
-    'copy:react_docs',
-    'compare_size'
+    'npm-react-dom:release',
+    'npm-react-dom:pack',
+    'npm-react-test:release',
+    'npm-react-test:pack',
+    'compare_size',
  ]);

  // Automate the release!
+  var releaseTasks = require('./grunt/tasks/release');
  grunt.registerTask('release:setup', releaseTasks.setup);
  grunt.registerTask('release:bower', releaseTasks.bower);
  grunt.registerTask('release:docs', releaseTasks.docs);
  grunt.registerTask('release:msg', releaseTasks.msg);
-  grunt.registerTask('release:starter', releaseTasks.starter);

  grunt.registerTask('release', [
    'release:setup',
    'clean',
    'build',
-    'gem:only',
    'release:bower',
-    'release:starter',
-    'compress',
    'release:docs',
-    'release:msg'
+    'release:msg',
  ]);

-  // `gem` task to build the react-source gem
-  grunt.registerTask('gem', ['build', 'gem:only']);
-
-  grunt.registerTask('gem:only', function() {
-    var done = this.async();
-    exec('gem build react-source.gemspec', done);
+  grunt.registerTask('build-modules', function() {
+    spawnGulp(['react:modules'], null, this.async());
  });

-  // The default task - build - to keep setup easy
+  // The default task - build - to keep setup easy.
  grunt.registerTask('default', ['build']);
 };
--- a/214
+++ b/214
@@ -1,201 +1,21 @@
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
+MIT License

-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+Copyright (c) 2013-present, Facebook, Inc.

-   1. Definitions.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:

-      "License" shall mean the terms and conditions for use, reproduction,
-      and distribution as defined by Sections 1 through 9 of this document.
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.

-      "Licensor" shall mean the copyright owner or entity authorized by
-      the copyright owner that is granting the License.
-
-      "Legal Entity" shall mean the union of the acting entity and all
-      other entities that control, are controlled by, or are under common
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-      otherwise, or (ii) ownership of fifty percent (50%) or more of the
-      outstanding shares, or (iii) beneficial ownership of such entity.
-
-      "You" (or "Your") shall mean an individual or Legal Entity
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--- a/393
+++ b/393
@@ -0,0 +1,393 @@
+Attribution 4.0 International
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+  h. Licensor means the individual(s) or entity(ies) granting rights
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+Section 2 -- Scope.
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+          Exceptions and Limitations apply to Your use, this Public
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+          simply making modifications authorized by this Section 2(a)
+          (4) never produces Adapted Material.
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+       5. Downstream recipients.
+
+            a. Offer from the Licensor -- Licensed Material. Every
+               recipient of the Licensed Material automatically
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+               Licensed Rights by any recipient of the Licensed
+               Material.
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+          are, or that Your use of the Licensed Material is, connected
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+
+  b. Other rights.
+
+       1. Moral rights, such as the right of integrity, are not
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+
+Section 3 -- License Conditions.
+
+Your exercise of the Licensed Rights is expressly made subject to the
+following conditions.
+
+  a. Attribution.
+
+       1. If You Share the Licensed Material (including in modified
+          form), You must:
+
+            a. retain the following if it is supplied by the Licensor
+               with the Licensed Material:
+
+                 i. identification of the creator(s) of the Licensed
+                    Material and any others designated to receive
+                    attribution, in any reasonable manner requested by
+                    the Licensor (including by pseudonym if
+                    designated);
+
+                ii. a copyright notice;
+
+               iii. a notice that refers to this Public License;
+
+                iv. a notice that refers to the disclaimer of
+                    warranties;
+
+                 v. a URI or hyperlink to the Licensed Material to the
+                    extent reasonably practicable;
+
+            b. indicate if You modified the Licensed Material and
+               retain an indication of any previous modifications; and
+
+            c. indicate the Licensed Material is licensed under this
+               Public License, and include the text of, or the URI or
+               hyperlink to, this Public License.
+
+       2. You may satisfy the conditions in Section 3(a)(1) in any
+          reasonable manner based on the medium, means, and context in
+          which You Share the Licensed Material. For example, it may be
+          reasonable to satisfy the conditions by providing a URI or
+          hyperlink to a resource that includes the required
+          information.
+
+       3. If requested by the Licensor, You must remove any of the
+          information required by Section 3(a)(1)(A) to the extent
+          reasonably practicable.
+
+       4. If You Share Adapted Material You produce, the Adapter's
+          License You apply must not prevent recipients of the Adapted
+          Material from complying with this Public License.
+
+
+Section 4 -- Sui Generis Database Rights.
+
+Where the Licensed Rights include Sui Generis Database Rights that
+apply to Your use of the Licensed Material:
+
+  a. for the avoidance of doubt, Section 2(a)(1) grants You the right
+     to extract, reuse, reproduce, and Share all or a substantial
+     portion of the contents of the database;
+
+  b. if You include all or a substantial portion of the database
+     contents in a database in which You have Sui Generis Database
+     Rights, then the database in which You have Sui Generis Database
+     Rights (but not its individual contents) is Adapted Material; and
+
+  c. You must comply with the conditions in Section 3(a) if You Share
+     all or a substantial portion of the contents of the database.
+
+For the avoidance of doubt, this Section 4 supplements and does not
+replace Your obligations under this Public License where the Licensed
+Rights include other Copyright and Similar Rights.
+
+
+Section 5 -- Disclaimer of Warranties and Limitation of Liability.
+
+  a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
+     EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
+     AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
+     ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
+     IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
+     WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
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+     ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
+     KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
+     ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
+
+  b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
+     TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
+     NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
+     INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
+     COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
+     USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
+     ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
+     DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
+     IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
+
+  c. The disclaimer of warranties and limitation of liability provided
+     above shall be interpreted in a manner that, to the extent
+     possible, most closely approximates an absolute disclaimer and
+     waiver of all liability.
+
+
+Section 6 -- Term and Termination.
+
+  a. This Public License applies for the term of the Copyright and
+     Similar Rights licensed here. However, if You fail to comply with
+     this Public License, then Your rights under this Public License
+     terminate automatically.
+
+  b. Where Your right to use the Licensed Material has terminated under
+     Section 6(a), it reinstates:
+
+       1. automatically as of the date the violation is cured, provided
+          it is cured within 30 days of Your discovery of the
+          violation; or
+
+       2. upon express reinstatement by the Licensor.
+
+     For the avoidance of doubt, this Section 6(b) does not affect any
+     right the Licensor may have to seek remedies for Your violations
+     of this Public License.
+
+  c. For the avoidance of doubt, the Licensor may also offer the
+     Licensed Material under separate terms or conditions or stop
+     distributing the Licensed Material at any time; however, doing so
+     will not terminate this Public License.
+
+  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
+     License.
+
+
+Section 7 -- Other Terms and Conditions.
+
+  a. The Licensor shall not be bound by any additional or different
+     terms or conditions communicated by You unless expressly agreed.
+
+  b. Any arrangements, understandings, or agreements regarding the
+     Licensed Material not stated herein are separate from and
+     independent of the terms and conditions of this Public License.
+
+
+Section 8 -- Interpretation.
+
+  a. For the avoidance of doubt, this Public License does not, and
+     shall not be interpreted to, reduce, limit, restrict, or impose
+     conditions on any use of the Licensed Material that could lawfully
+     be made without permission under this Public License.
+
+  b. To the extent possible, if any provision of this Public License is
+     deemed unenforceable, it shall be automatically reformed to the
+     minimum extent necessary to make it enforceable. If the provision
+     cannot be reformed, it shall be severed from this Public License
+     without affecting the enforceability of the remaining terms and
+     conditions.
+
+  c. No term or condition of this Public License will be waived and no
+     failure to comply consented to unless expressly agreed to by the
+     Licensor.
+
+  d. Nothing in this Public License constitutes or may be interpreted
+     as a limitation upon, or waiver of, any privileges and immunities
+     that apply to the Licensor or You, including from the legal
+     processes of any jurisdiction or authority.
+
+
+=======================================================================
+
+Creative Commons is not a party to its public licenses.
+Notwithstanding, Creative Commons may elect to apply one of its public
+licenses to material it publishes and in those instances will be
+considered the "Licensor." Except for the limited purpose of indicating
+that material is shared under a Creative Commons public license or as
+otherwise permitted by the Creative Commons policies published at
+creativecommons.org/policies, Creative Commons does not authorize the
+use of the trademark "Creative Commons" or any other trademark or logo
+of Creative Commons without its prior written consent including,
+without limitation, in connection with any unauthorized modifications
+to any of its public licenses or any other arrangements,
+understandings, or agreements concerning use of licensed material. For
+the avoidance of doubt, this paragraph does not form part of the public
+licenses.
+
+Creative Commons may be contacted at creativecommons.org.
--- a/9
+++ b/9
@@ -0,0 +1,9 @@
+The examples provided by Facebook are for non-commercial testing and evaluation
+purposes only. Facebook reserves all rights not expressly granted.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--- a/README.md
+++ b/README.md
@@ -1,26 +1,25 @@
-# [React](http://facebook.github.io/react) [![Build Status](https://travis-ci.org/facebook/react.svg?branch=0.11-stable)](https://travis-ci.org/facebook/react)
+# [React](https://facebook.github.io/react/) [![Build Status](https://img.shields.io/travis/facebook/react/master.svg?style=flat)](https://travis-ci.org/facebook/react) [![Coverage Status](https://img.shields.io/coveralls/facebook/react/master.svg?style=flat)](https://coveralls.io/github/facebook/react?branch=master) [![npm version](https://img.shields.io/npm/v/react.svg?style=flat)](https://www.npmjs.com/package/react) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](CONTRIBUTING.md#pull-requests)

 React is a JavaScript library for building user interfaces.

-* **Just the UI:** Lots of people use React as the V in MVC. Since React makes no assumptions about the rest of your technology stack, it's easy to try it out on a small feature in an existing project.
-* **Virtual DOM:** React uses a *virtual DOM* diff implementation for ultra-high performance. It can also render on the server using Node.js — no heavy browser DOM required.
-* **Data flow:** React implements one-way reactive data flow which reduces boilerplate and is easier to reason about than traditional data binding.
+* **Declarative:** React makes it painless to create interactive UIs. Design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes. Declarative views make your code more predictable, simpler to understand, and easier to debug.
+* **Component-Based:** Build encapsulated components that manage their own state, then compose them to make complex UIs. Since component logic is written in JavaScript instead of templates, you can easily pass rich data through your app and keep state out of the DOM.
+* **Learn Once, Write Anywhere:** We don't make assumptions about the rest of your technology stack, so you can develop new features in React without rewriting existing code. React can also render on the server using Node and power mobile apps using [React Native](https://facebook.github.io/react-native/).

-[Learn how to use React in your own project.](http://facebook.github.io/react/docs/getting-started.html)
+[Learn how to use React in your own project](https://facebook.github.io/react/docs/getting-started.html).

 ## Examples

-We have several examples [on the website](http://facebook.github.io/react/). Here is the first one to get you started:
+We have several examples [on the website](https://facebook.github.io/react/). Here is the first one to get you started:

 ```js
-/** @jsx React.DOM */
-var HelloMessage = React.createClass({
-  render: function() {
+class HelloMessage extends React.Component {
+  render() {
    return <div>Hello {this.props.name}</div>;
  }
-});
+}

-React.renderComponent(
+ReactDOM.render(
  <HelloMessage name="John" />,
  document.getElementById('container')
 );
@@ -28,71 +27,39 @@ React.renderComponent(

 This example will render "Hello John" into a container on the page.

-You'll notice that we used an HTML-like syntax; [we call it JSX](http://facebook.github.io/react/docs/jsx-in-depth.html). JSX is not required to use React, but it makes code more readable, and writing it feels like writing HTML. A simple transform is included with React that allows converting JSX into native JavaScript for browsers to digest.
+You'll notice that we used an HTML-like syntax; [we call it JSX](https://facebook.github.io/react/docs/introducing-jsx.html). JSX is not required to use React, but it makes code more readable, and writing it feels like writing HTML. We recommend using [Babel](https://babeljs.io/) with a [React preset](https://babeljs.io/docs/plugins/preset-react/) to convert JSX into native JavaScript for browsers to digest.

 ## Installation

-The fastest way to get started is to serve JavaScript from the CDN (also available on [CDNJS](http://cdnjs.com/#react)):
+React is available as the `react` package on [npm](https://www.npmjs.com/). It is also available on a [CDN](https://facebook.github.io/react/docs/installation.html#using-a-cdn).

-```html
-<!-- The core React library -->
-<script src="http://fb.me/react-0.11.2.js"></script>
-<!-- In-browser JSX transformer, remove when pre-compiling JSX. -->
-<script src="http://fb.me/JSXTransformer-0.11.2.js"></script>
-```
+React is flexible and can be used in a variety of projects. You can create new apps with it, but you can also gradually introduce it into an existing codebase without doing a rewrite.

-We've also built a [starter kit](http://facebook.github.io/react/downloads/react-0.11.2.zip) which might be useful if this is your first time using React. It includes a webpage with an example of using React with live code.
+The recommended way to install React depends on your project. Here you can find short guides for the most common scenarios:

-If you'd like to use [bower](http://bower.io), it's as easy as:
+* [Trying Out React](https://facebook.github.io/react/docs/installation.html#trying-out-react)
+* [Creating a Single Page Application](https://facebook.github.io/react/docs/installation.html#creating-a-single-page-application)
+* [Adding React to an Existing Application](https://facebook.github.io/react/docs/installation.html#adding-react-to-an-existing-application)

-```sh
-bower install --save react
-```
+## Contributing

-## Contribute
+The main purpose of this repository is to continue to evolve React core, making it faster and easier to use. If you're interested in helping with that, check out our [contribution guide](https://facebook.github.io/react/contributing/how-to-contribute.html).

-The main purpose of this repository is to continue to evolve React core, making it faster and easier to use. If you're interested in helping with that, then keep reading. If you're not interested in helping right now that's ok too. :) Any feedback you have about using React would be greatly appreciated.
+### [Code of Conduct](https://code.facebook.com/codeofconduct)

-### Building Your Copy of React
+Facebook has adopted a Code of Conduct that we expect project participants to adhere to. Please read [the full text](https://code.facebook.com/codeofconduct) so that you can understand what actions will and will not be tolerated.

-The process to build `react.js` is built entirely on top of node.js, using many libraries you may already be familiar with.
+### Good First Bug

-#### Prerequisites
+To help you get your feet wet and get you familiar with our contribution process, we have a list of [good first bugs](https://github.com/facebook/react/labels/good%20first%20bug) that contain bugs which are fairly easy to fix. This is a great place to get started.

-* You have `node` installed at v0.10.0+ (it might work at lower versions, we just haven't tested).
-* You are familiar with `npm` and know whether or not you need to use `sudo` when installing packages globally.
-* You are familiar with `git`.
+### License

-#### Build
+React is [MIT licensed](./LICENSE).

-Once you have the repository cloned, building a copy of `react.js` is really easy.
+React documentation is [Creative Commons licensed](./LICENSE-docs).

-```sh
-# grunt-cli is needed by grunt; you might have this installed already
-npm install -g grunt-cli
-npm install
-grunt build
-```
+Examples provided in this repository and in the documentation are [separately licensed](./LICENSE-examples).

-At this point, you should now have a `build/` directory populated with everything you need to use React. The examples should all work.
-
-### Grunt
-
-We use grunt to automate many tasks. Run `grunt -h` to see a mostly complete listing. The important ones to know:
-
-```sh
-# Build and run tests with PhantomJS
-grunt test
-# Build and run tests in your browser
-grunt test --debug
-# For speed, you can use fasttest and add --filter to only run one test
-grunt fasttest --filter=ReactIdentity
-# Lint the code with JSHint
-grunt lint
-# Wipe out build directory
-grunt clean
-```
-
-### More…
-
-There's only so much we can cram in here. To read more about the community and guidelines for submitting pull requests, please read the [Contributing document](CONTRIBUTING.md).
+## Troubleshooting
+See the [Troubleshooting Guide](https://github.com/facebook/react/wiki/Troubleshooting)
--- a/addons/.eslintrc
+++ b/addons/.eslintrc
@@ -0,0 +1,5 @@
+{
+  "rules": {
+    "comma-dangle": 0
+  }
+}
--- a/addons/create-react-class/.gitignore
+++ b/addons/create-react-class/.gitignore
@@ -0,0 +1,2 @@
+create-react-class.js
+create-react-class.min.js
--- a/addons/create-react-class/LICENSE.txt
+++ b/addons/create-react-class/LICENSE.txt
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013-present, Facebook, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/addons/create-react-class/README.md
+++ b/addons/create-react-class/README.md
@@ -0,0 +1,5 @@
+# create-react-class
+
+A drop-in replacement for `React.createClass`.
+
+Refer to the [React documentation](https://facebook.github.io/react/docs/react-without-es6.html) for more information.
--- a/addons/create-react-class/factory.js
+++ b/addons/create-react-class/factory.js
@@ -0,0 +1,926 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+'use strict';
+
+var _assign = require('object-assign');
+
+var emptyObject = require('fbjs/lib/emptyObject');
+var _invariant = require('fbjs/lib/invariant');
+
+if (process.env.NODE_ENV !== 'production') {
+  var warning = require('fbjs/lib/warning');
+}
+
+var MIXINS_KEY = 'mixins';
+
+// Helper function to allow the creation of anonymous functions which do not
+// have .name set to the name of the variable being assigned to.
+function identity(fn) {
+  return fn;
+}
+
+var ReactPropTypeLocationNames;
+if (process.env.NODE_ENV !== 'production') {
+  ReactPropTypeLocationNames = {
+    prop: 'prop',
+    context: 'context',
+    childContext: 'child context'
+  };
+} else {
+  ReactPropTypeLocationNames = {};
+}
+
+function factory(ReactComponent, isValidElement, ReactNoopUpdateQueue) {
+  /**
+   * Policies that describe methods in `ReactClassInterface`.
+   */
+
+  var injectedMixins = [];
+
+  /**
+   * Composite components are higher-level components that compose other composite
+   * or host components.
+   *
+   * To create a new type of `ReactClass`, pass a specification of
+   * your new class to `React.createClass`. The only requirement of your class
+   * specification is that you implement a `render` method.
+   *
+   *   var MyComponent = React.createClass({
+   *     render: function() {
+   *       return <div>Hello World</div>;
+   *     }
+   *   });
+   *
+   * The class specification supports a specific protocol of methods that have
+   * special meaning (e.g. `render`). See `ReactClassInterface` for
+   * more the comprehensive protocol. Any other properties and methods in the
+   * class specification will be available on the prototype.
+   *
+   * @interface ReactClassInterface
+   * @internal
+   */
+  var ReactClassInterface = {
+    /**
+     * An array of Mixin objects to include when defining your component.
+     *
+     * @type {array}
+     * @optional
+     */
+    mixins: 'DEFINE_MANY',
+
+    /**
+     * An object containing properties and methods that should be defined on
+     * the component's constructor instead of its prototype (static methods).
+     *
+     * @type {object}
+     * @optional
+     */
+    statics: 'DEFINE_MANY',
+
+    /**
+     * Definition of prop types for this component.
+     *
+     * @type {object}
+     * @optional
+     */
+    propTypes: 'DEFINE_MANY',
+
+    /**
+     * Definition of context types for this component.
+     *
+     * @type {object}
+     * @optional
+     */
+    contextTypes: 'DEFINE_MANY',
+
+    /**
+     * Definition of context types this component sets for its children.
+     *
+     * @type {object}
+     * @optional
+     */
+    childContextTypes: 'DEFINE_MANY',
+
+    // ==== Definition methods ====
+
+    /**
+     * Invoked when the component is mounted. Values in the mapping will be set on
+     * `this.props` if that prop is not specified (i.e. using an `in` check).
+     *
+     * This method is invoked before `getInitialState` and therefore cannot rely
+     * on `this.state` or use `this.setState`.
+     *
+     * @return {object}
+     * @optional
+     */
+    getDefaultProps: 'DEFINE_MANY_MERGED',
+
+    /**
+     * Invoked once before the component is mounted. The return value will be used
+     * as the initial value of `this.state`.
+     *
+     *   getInitialState: function() {
+     *     return {
+     *       isOn: false,
+     *       fooBaz: new BazFoo()
+     *     }
+     *   }
+     *
+     * @return {object}
+     * @optional
+     */
+    getInitialState: 'DEFINE_MANY_MERGED',
+
+    /**
+     * @return {object}
+     * @optional
+     */
+    getChildContext: 'DEFINE_MANY_MERGED',
+
+    /**
+     * Uses props from `this.props` and state from `this.state` to render the
+     * structure of the component.
+     *
+     * No guarantees are made about when or how often this method is invoked, so
+     * it must not have side effects.
+     *
+     *   render: function() {
+     *     var name = this.props.name;
+     *     return <div>Hello, {name}!</div>;
+     *   }
+     *
+     * @return {ReactComponent}
+     * @required
+     */
+    render: 'DEFINE_ONCE',
+
+    // ==== Delegate methods ====
+
+    /**
+     * Invoked when the component is initially created and about to be mounted.
+     * This may have side effects, but any external subscriptions or data created
+     * by this method must be cleaned up in `componentWillUnmount`.
+     *
+     * @optional
+     */
+    componentWillMount: 'DEFINE_MANY',
+
+    /**
+     * Invoked when the component has been mounted and has a DOM representation.
+     * However, there is no guarantee that the DOM node is in the document.
+     *
+     * Use this as an opportunity to operate on the DOM when the component has
+     * been mounted (initialized and rendered) for the first time.
+     *
+     * @param {DOMElement} rootNode DOM element representing the component.
+     * @optional
+     */
+    componentDidMount: 'DEFINE_MANY',
+
+    /**
+     * Invoked before the component receives new props.
+     *
+     * Use this as an opportunity to react to a prop transition by updating the
+     * state using `this.setState`. Current props are accessed via `this.props`.
+     *
+     *   componentWillReceiveProps: function(nextProps, nextContext) {
+     *     this.setState({
+     *       likesIncreasing: nextProps.likeCount > this.props.likeCount
+     *     });
+     *   }
+     *
+     * NOTE: There is no equivalent `componentWillReceiveState`. An incoming prop
+     * transition may cause a state change, but the opposite is not true. If you
+     * need it, you are probably looking for `componentWillUpdate`.
+     *
+     * @param {object} nextProps
+     * @optional
+     */
+    componentWillReceiveProps: 'DEFINE_MANY',
+
+    /**
+     * Invoked while deciding if the component should be updated as a result of
+     * receiving new props, state and/or context.
+     *
+     * Use this as an opportunity to `return false` when you're certain that the
+     * transition to the new props/state/context will not require a component
+     * update.
+     *
+     *   shouldComponentUpdate: function(nextProps, nextState, nextContext) {
+     *     return !equal(nextProps, this.props) ||
+     *       !equal(nextState, this.state) ||
+     *       !equal(nextContext, this.context);
+     *   }
+     *
+     * @param {object} nextProps
+     * @param {?object} nextState
+     * @param {?object} nextContext
+     * @return {boolean} True if the component should update.
+     * @optional
+     */
+    shouldComponentUpdate: 'DEFINE_ONCE',
+
+    /**
+     * Invoked when the component is about to update due to a transition from
+     * `this.props`, `this.state` and `this.context` to `nextProps`, `nextState`
+     * and `nextContext`.
+     *
+     * Use this as an opportunity to perform preparation before an update occurs.
+     *
+     * NOTE: You **cannot** use `this.setState()` in this method.
+     *
+     * @param {object} nextProps
+     * @param {?object} nextState
+     * @param {?object} nextContext
+     * @param {ReactReconcileTransaction} transaction
+     * @optional
+     */
+    componentWillUpdate: 'DEFINE_MANY',
+
+    /**
+     * Invoked when the component's DOM representation has been updated.
+     *
+     * Use this as an opportunity to operate on the DOM when the component has
+     * been updated.
+     *
+     * @param {object} prevProps
+     * @param {?object} prevState
+     * @param {?object} prevContext
+     * @param {DOMElement} rootNode DOM element representing the component.
+     * @optional
+     */
+    componentDidUpdate: 'DEFINE_MANY',
+
+    /**
+     * Invoked when the component is about to be removed from its parent and have
+     * its DOM representation destroyed.
+     *
+     * Use this as an opportunity to deallocate any external resources.
+     *
+     * NOTE: There is no `componentDidUnmount` since your component will have been
+     * destroyed by that point.
+     *
+     * @optional
+     */
+    componentWillUnmount: 'DEFINE_MANY',
+
+    /**
+     * Replacement for (deprecated) `componentWillMount`.
+     *
+     * @optional
+     */
+    UNSAFE_componentWillMount: 'DEFINE_MANY',
+
+    /**
+     * Replacement for (deprecated) `componentWillReceiveProps`.
+     *
+     * @optional
+     */
+    UNSAFE_componentWillReceiveProps: 'DEFINE_MANY',
+
+    /**
+     * Replacement for (deprecated) `componentWillUpdate`.
+     *
+     * @optional
+     */
+    UNSAFE_componentWillUpdate: 'DEFINE_MANY',
+
+    // ==== Advanced methods ====
+
+    /**
+     * Updates the component's currently mounted DOM representation.
+     *
+     * By default, this implements React's rendering and reconciliation algorithm.
+     * Sophisticated clients may wish to override this.
+     *
+     * @param {ReactReconcileTransaction} transaction
+     * @internal
+     * @overridable
+     */
+    updateComponent: 'OVERRIDE_BASE'
+  };
+
+  /**
+   * Similar to ReactClassInterface but for static methods.
+   */
+  var ReactClassStaticInterface = {
+    /**
+     * This method is invoked after a component is instantiated and when it
+     * receives new props. Return an object to update state in response to
+     * prop changes. Return null to indicate no change to state.
+     *
+     * If an object is returned, its keys will be merged into the existing state.
+     *
+     * @return {object || null}
+     * @optional
+     */
+    getDerivedStateFromProps: 'DEFINE_MANY_MERGED'
+  };
+
+  /**
+   * Mapping from class specification keys to special processing functions.
+   *
+   * Although these are declared like instance properties in the specification
+   * when defining classes using `React.createClass`, they are actually static
+   * and are accessible on the constructor instead of the prototype. Despite
+   * being static, they must be defined outside of the "statics" key under
+   * which all other static methods are defined.
+   */
+  var RESERVED_SPEC_KEYS = {
+    displayName: function(Constructor, displayName) {
+      Constructor.displayName = displayName;
+    },
+    mixins: function(Constructor, mixins) {
+      if (mixins) {
+        for (var i = 0; i < mixins.length; i++) {
+          mixSpecIntoComponent(Constructor, mixins[i]);
+        }
+      }
+    },
+    childContextTypes: function(Constructor, childContextTypes) {
+      if (process.env.NODE_ENV !== 'production') {
+        validateTypeDef(Constructor, childContextTypes, 'childContext');
+      }
+      Constructor.childContextTypes = _assign(
+        {},
+        Constructor.childContextTypes,
+        childContextTypes
+      );
+    },
+    contextTypes: function(Constructor, contextTypes) {
+      if (process.env.NODE_ENV !== 'production') {
+        validateTypeDef(Constructor, contextTypes, 'context');
+      }
+      Constructor.contextTypes = _assign(
+        {},
+        Constructor.contextTypes,
+        contextTypes
+      );
+    },
+    /**
+     * Special case getDefaultProps which should move into statics but requires
+     * automatic merging.
+     */
+    getDefaultProps: function(Constructor, getDefaultProps) {
+      if (Constructor.getDefaultProps) {
+        Constructor.getDefaultProps = createMergedResultFunction(
+          Constructor.getDefaultProps,
+          getDefaultProps
+        );
+      } else {
+        Constructor.getDefaultProps = getDefaultProps;
+      }
+    },
+    propTypes: function(Constructor, propTypes) {
+      if (process.env.NODE_ENV !== 'production') {
+        validateTypeDef(Constructor, propTypes, 'prop');
+      }
+      Constructor.propTypes = _assign({}, Constructor.propTypes, propTypes);
+    },
+    statics: function(Constructor, statics) {
+      mixStaticSpecIntoComponent(Constructor, statics);
+    },
+    autobind: function() {}
+  };
+
+  function validateTypeDef(Constructor, typeDef, location) {
+    for (var propName in typeDef) {
+      if (typeDef.hasOwnProperty(propName)) {
+        // use a warning instead of an _invariant so components
+        // don't show up in prod but only in __DEV__
+        if (process.env.NODE_ENV !== 'production') {
+          warning(
+            typeof typeDef[propName] === 'function',
+            '%s: %s type `%s` is invalid; it must be a function, usually from ' +
+              'React.PropTypes.',
+            Constructor.displayName || 'ReactClass',
+            ReactPropTypeLocationNames[location],
+            propName
+          );
+        }
+      }
+    }
+  }
+
+  function validateMethodOverride(isAlreadyDefined, name) {
+    var specPolicy = ReactClassInterface.hasOwnProperty(name)
+      ? ReactClassInterface[name]
+      : null;
+
+    // Disallow overriding of base class methods unless explicitly allowed.
+    if (ReactClassMixin.hasOwnProperty(name)) {
+      _invariant(
+        specPolicy === 'OVERRIDE_BASE',
+        'ReactClassInterface: You are attempting to override ' +
+          '`%s` from your class specification. Ensure that your method names ' +
+          'do not overlap with React methods.',
+        name
+      );
+    }
+
+    // Disallow defining methods more than once unless explicitly allowed.
+    if (isAlreadyDefined) {
+      _invariant(
+        specPolicy === 'DEFINE_MANY' || specPolicy === 'DEFINE_MANY_MERGED',
+        'ReactClassInterface: You are attempting to define ' +
+          '`%s` on your component more than once. This conflict may be due ' +
+          'to a mixin.',
+        name
+      );
+    }
+  }
+
+  /**
+   * Mixin helper which handles policy validation and reserved
+   * specification keys when building React classes.
+   */
+  function mixSpecIntoComponent(Constructor, spec) {
+    if (!spec) {
+      if (process.env.NODE_ENV !== 'production') {
+        var typeofSpec = typeof spec;
+        var isMixinValid = typeofSpec === 'object' && spec !== null;
+
+        if (process.env.NODE_ENV !== 'production') {
+          warning(
+            isMixinValid,
+            "%s: You're attempting to include a mixin that is either null " +
+              'or not an object. Check the mixins included by the component, ' +
+              'as well as any mixins they include themselves. ' +
+              'Expected object but got %s.',
+            Constructor.displayName || 'ReactClass',
+            spec === null ? null : typeofSpec
+          );
+        }
+      }
+
+      return;
+    }
+
+    _invariant(
+      typeof spec !== 'function',
+      "ReactClass: You're attempting to " +
+        'use a component class or function as a mixin. Instead, just use a ' +
+        'regular object.'
+    );
+    _invariant(
+      !isValidElement(spec),
+      "ReactClass: You're attempting to " +
+        'use a component as a mixin. Instead, just use a regular object.'
+    );
+
+    var proto = Constructor.prototype;
+    var autoBindPairs = proto.__reactAutoBindPairs;
+
+    // By handling mixins before any other properties, we ensure the same
+    // chaining order is applied to methods with DEFINE_MANY policy, whether
+    // mixins are listed before or after these methods in the spec.
+    if (spec.hasOwnProperty(MIXINS_KEY)) {
+      RESERVED_SPEC_KEYS.mixins(Constructor, spec.mixins);
+    }
+
+    for (var name in spec) {
+      if (!spec.hasOwnProperty(name)) {
+        continue;
+      }
+
+      if (name === MIXINS_KEY) {
+        // We have already handled mixins in a special case above.
+        continue;
+      }
+
+      var property = spec[name];
+      var isAlreadyDefined = proto.hasOwnProperty(name);
+      validateMethodOverride(isAlreadyDefined, name);
+
+      if (RESERVED_SPEC_KEYS.hasOwnProperty(name)) {
+        RESERVED_SPEC_KEYS[name](Constructor, property);
+      } else {
+        // Setup methods on prototype:
+        // The following member methods should not be automatically bound:
+        // 1. Expected ReactClass methods (in the "interface").
+        // 2. Overridden methods (that were mixed in).
+        var isReactClassMethod = ReactClassInterface.hasOwnProperty(name);
+        var isFunction = typeof property === 'function';
+        var shouldAutoBind =
+          isFunction &&
+          !isReactClassMethod &&
+          !isAlreadyDefined &&
+          spec.autobind !== false;
+
+        if (shouldAutoBind) {
+          autoBindPairs.push(name, property);
+          proto[name] = property;
+        } else {
+          if (isAlreadyDefined) {
+            var specPolicy = ReactClassInterface[name];
+
+            // These cases should already be caught by validateMethodOverride.
+            _invariant(
+              isReactClassMethod &&
+                (specPolicy === 'DEFINE_MANY_MERGED' ||
+                  specPolicy === 'DEFINE_MANY'),
+              'ReactClass: Unexpected spec policy %s for key %s ' +
+                'when mixing in component specs.',
+              specPolicy,
+              name
+            );
+
+            // For methods which are defined more than once, call the existing
+            // methods before calling the new property, merging if appropriate.
+            if (specPolicy === 'DEFINE_MANY_MERGED') {
+              proto[name] = createMergedResultFunction(proto[name], property);
+            } else if (specPolicy === 'DEFINE_MANY') {
+              proto[name] = createChainedFunction(proto[name], property);
+            }
+          } else {
+            proto[name] = property;
+            if (process.env.NODE_ENV !== 'production') {
+              // Add verbose displayName to the function, which helps when looking
+              // at profiling tools.
+              if (typeof property === 'function' && spec.displayName) {
+                proto[name].displayName = spec.displayName + '_' + name;
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+
+  function mixStaticSpecIntoComponent(Constructor, statics) {
+    if (!statics) {
+      return;
+    }
+
+    for (var name in statics) {
+      var property = statics[name];
+      if (!statics.hasOwnProperty(name)) {
+        continue;
+      }
+
+      var isReserved = name in RESERVED_SPEC_KEYS;
+      _invariant(
+        !isReserved,
+        'ReactClass: You are attempting to define a reserved ' +
+          'property, `%s`, that shouldn\'t be on the "statics" key. Define it ' +
+          'as an instance property instead; it will still be accessible on the ' +
+          'constructor.',
+        name
+      );
+
+      var isAlreadyDefined = name in Constructor;
+      if (isAlreadyDefined) {
+        var specPolicy = ReactClassStaticInterface.hasOwnProperty(name)
+          ? ReactClassStaticInterface[name]
+          : null;
+
+        _invariant(
+          specPolicy === 'DEFINE_MANY_MERGED',
+          'ReactClass: You are attempting to define ' +
+            '`%s` on your component more than once. This conflict may be ' +
+            'due to a mixin.',
+          name
+        );
+
+        Constructor[name] = createMergedResultFunction(Constructor[name], property);
+
+        return;
+      }
+
+      Constructor[name] = property;
+    }
+  }
+
+  /**
+   * Merge two objects, but throw if both contain the same key.
+   *
+   * @param {object} one The first object, which is mutated.
+   * @param {object} two The second object
+   * @return {object} one after it has been mutated to contain everything in two.
+   */
+  function mergeIntoWithNoDuplicateKeys(one, two) {
+    _invariant(
+      one && two && typeof one === 'object' && typeof two === 'object',
+      'mergeIntoWithNoDuplicateKeys(): Cannot merge non-objects.'
+    );
+
+    for (var key in two) {
+      if (two.hasOwnProperty(key)) {
+        _invariant(
+          one[key] === undefined,
+          'mergeIntoWithNoDuplicateKeys(): ' +
+            'Tried to merge two objects with the same key: `%s`. This conflict ' +
+            'may be due to a mixin; in particular, this may be caused by two ' +
+            'getInitialState() or getDefaultProps() methods returning objects ' +
+            'with clashing keys.',
+          key
+        );
+        one[key] = two[key];
+      }
+    }
+    return one;
+  }
+
+  /**
+   * Creates a function that invokes two functions and merges their return values.
+   *
+   * @param {function} one Function to invoke first.
+   * @param {function} two Function to invoke second.
+   * @return {function} Function that invokes the two argument functions.
+   * @private
+   */
+  function createMergedResultFunction(one, two) {
+    return function mergedResult() {
+      var a = one.apply(this, arguments);
+      var b = two.apply(this, arguments);
+      if (a == null) {
+        return b;
+      } else if (b == null) {
+        return a;
+      }
+      var c = {};
+      mergeIntoWithNoDuplicateKeys(c, a);
+      mergeIntoWithNoDuplicateKeys(c, b);
+      return c;
+    };
+  }
+
+  /**
+   * Creates a function that invokes two functions and ignores their return vales.
+   *
+   * @param {function} one Function to invoke first.
+   * @param {function} two Function to invoke second.
+   * @return {function} Function that invokes the two argument functions.
+   * @private
+   */
+  function createChainedFunction(one, two) {
+    return function chainedFunction() {
+      one.apply(this, arguments);
+      two.apply(this, arguments);
+    };
+  }
+
+  /**
+   * Binds a method to the component.
+   *
+   * @param {object} component Component whose method is going to be bound.
+   * @param {function} method Method to be bound.
+   * @return {function} The bound method.
+   */
+  function bindAutoBindMethod(component, method) {
+    var boundMethod = method.bind(component);
+    if (process.env.NODE_ENV !== 'production') {
+      boundMethod.__reactBoundContext = component;
+      boundMethod.__reactBoundMethod = method;
+      boundMethod.__reactBoundArguments = null;
+      var componentName = component.constructor.displayName;
+      var _bind = boundMethod.bind;
+      boundMethod.bind = function(newThis) {
+        for (
+          var _len = arguments.length,
+            args = Array(_len > 1 ? _len - 1 : 0),
+            _key = 1;
+          _key < _len;
+          _key++
+        ) {
+          args[_key - 1] = arguments[_key];
+        }
+
+        // User is trying to bind() an autobound method; we effectively will
+        // ignore the value of "this" that the user is trying to use, so
+        // let's warn.
+        if (newThis !== component && newThis !== null) {
+          if (process.env.NODE_ENV !== 'production') {
+            warning(
+              false,
+              'bind(): React component methods may only be bound to the ' +
+                'component instance. See %s',
+              componentName
+            );
+          }
+        } else if (!args.length) {
+          if (process.env.NODE_ENV !== 'production') {
+            warning(
+              false,
+              'bind(): You are binding a component method to the component. ' +
+                'React does this for you automatically in a high-performance ' +
+                'way, so you can safely remove this call. See %s',
+              componentName
+            );
+          }
+          return boundMethod;
+        }
+        var reboundMethod = _bind.apply(boundMethod, arguments);
+        reboundMethod.__reactBoundContext = component;
+        reboundMethod.__reactBoundMethod = method;
+        reboundMethod.__reactBoundArguments = args;
+        return reboundMethod;
+      };
+    }
+    return boundMethod;
+  }
+
+  /**
+   * Binds all auto-bound methods in a component.
+   *
+   * @param {object} component Component whose method is going to be bound.
+   */
+  function bindAutoBindMethods(component) {
+    var pairs = component.__reactAutoBindPairs;
+    for (var i = 0; i < pairs.length; i += 2) {
+      var autoBindKey = pairs[i];
+      var method = pairs[i + 1];
+      component[autoBindKey] = bindAutoBindMethod(component, method);
+    }
+  }
+
+  var IsMountedPreMixin = {
+    componentDidMount: function() {
+      this.__isMounted = true;
+    }
+  };
+
+  var IsMountedPostMixin = {
+    componentWillUnmount: function() {
+      this.__isMounted = false;
+    }
+  };
+
+  /**
+   * Add more to the ReactClass base class. These are all legacy features and
+   * therefore not already part of the modern ReactComponent.
+   */
+  var ReactClassMixin = {
+    /**
+     * TODO: This will be deprecated because state should always keep a consistent
+     * type signature and the only use case for this, is to avoid that.
+     */
+    replaceState: function(newState, callback) {
+      this.updater.enqueueReplaceState(this, newState, callback);
+    },
+
+    /**
+     * Checks whether or not this composite component is mounted.
+     * @return {boolean} True if mounted, false otherwise.
+     * @protected
+     * @final
+     */
+    isMounted: function() {
+      if (process.env.NODE_ENV !== 'production') {
+        warning(
+          this.__didWarnIsMounted,
+          '%s: isMounted is deprecated. Instead, make sure to clean up ' +
+            'subscriptions and pending requests in componentWillUnmount to ' +
+            'prevent memory leaks.',
+          (this.constructor && this.constructor.displayName) ||
+            this.name ||
+            'Component'
+        );
+        this.__didWarnIsMounted = true;
+      }
+      return !!this.__isMounted;
+    }
+  };
+
+  var ReactClassComponent = function() {};
+  _assign(
+    ReactClassComponent.prototype,
+    ReactComponent.prototype,
+    ReactClassMixin
+  );
+
+  /**
+   * Creates a composite component class given a class specification.
+   * See https://facebook.github.io/react/docs/top-level-api.html#react.createclass
+   *
+   * @param {object} spec Class specification (which must define `render`).
+   * @return {function} Component constructor function.
+   * @public
+   */
+  function createClass(spec) {
+    // To keep our warnings more understandable, we'll use a little hack here to
+    // ensure that Constructor.name !== 'Constructor'. This makes sure we don't
+    // unnecessarily identify a class without displayName as 'Constructor'.
+    var Constructor = identity(function(props, context, updater) {
+      // This constructor gets overridden by mocks. The argument is used
+      // by mocks to assert on what gets mounted.
+
+      if (process.env.NODE_ENV !== 'production') {
+        warning(
+          this instanceof Constructor,
+          'Something is calling a React component directly. Use a factory or ' +
+            'JSX instead. See: https://fb.me/react-legacyfactory'
+        );
+      }
+
+      // Wire up auto-binding
+      if (this.__reactAutoBindPairs.length) {
+        bindAutoBindMethods(this);
+      }
+
+      this.props = props;
+      this.context = context;
+      this.refs = emptyObject;
+      this.updater = updater || ReactNoopUpdateQueue;
+
+      this.state = null;
+
+      // ReactClasses doesn't have constructors. Instead, they use the
+      // getInitialState and componentWillMount methods for initialization.
+
+      var initialState = this.getInitialState ? this.getInitialState() : null;
+      if (process.env.NODE_ENV !== 'production') {
+        // We allow auto-mocks to proceed as if they're returning null.
+        if (
+          initialState === undefined &&
+          this.getInitialState._isMockFunction
+        ) {
+          // This is probably bad practice. Consider warning here and
+          // deprecating this convenience.
+          initialState = null;
+        }
+      }
+      _invariant(
+        typeof initialState === 'object' && !Array.isArray(initialState),
+        '%s.getInitialState(): must return an object or null',
+        Constructor.displayName || 'ReactCompositeComponent'
+      );
+
+      this.state = initialState;
+    });
+    Constructor.prototype = new ReactClassComponent();
+    Constructor.prototype.constructor = Constructor;
+    Constructor.prototype.__reactAutoBindPairs = [];
+
+    injectedMixins.forEach(mixSpecIntoComponent.bind(null, Constructor));
+
+    mixSpecIntoComponent(Constructor, IsMountedPreMixin);
+    mixSpecIntoComponent(Constructor, spec);
+    mixSpecIntoComponent(Constructor, IsMountedPostMixin);
+
+    // Initialize the defaultProps property after all mixins have been merged.
+    if (Constructor.getDefaultProps) {
+      Constructor.defaultProps = Constructor.getDefaultProps();
+    }
+
+    if (process.env.NODE_ENV !== 'production') {
+      // This is a tag to indicate that the use of these method names is ok,
+      // since it's used with createClass. If it's not, then it's likely a
+      // mistake so we'll warn you to use the static property, property
+      // initializer or constructor respectively.
+      if (Constructor.getDefaultProps) {
+        Constructor.getDefaultProps.isReactClassApproved = {};
+      }
+      if (Constructor.prototype.getInitialState) {
+        Constructor.prototype.getInitialState.isReactClassApproved = {};
+      }
+    }
+
+    _invariant(
+      Constructor.prototype.render,
+      'createClass(...): Class specification must implement a `render` method.'
+    );
+
+    if (process.env.NODE_ENV !== 'production') {
+      warning(
+        !Constructor.prototype.componentShouldUpdate,
+        '%s has a method called ' +
+          'componentShouldUpdate(). Did you mean shouldComponentUpdate()? ' +
+          'The name is phrased as a question because the function is ' +
+          'expected to return a value.',
+        spec.displayName || 'A component'
+      );
+      warning(
+        !Constructor.prototype.componentWillRecieveProps,
+        '%s has a method called ' +
+          'componentWillRecieveProps(). Did you mean componentWillReceiveProps()?',
+        spec.displayName || 'A component'
+      );
+      warning(
+        !Constructor.prototype.UNSAFE_componentWillRecieveProps,
+        '%s has a method called UNSAFE_componentWillRecieveProps(). ' +
+          'Did you mean UNSAFE_componentWillReceiveProps()?',
+        spec.displayName || 'A component'
+      );
+    }
+
+    // Reduce time spent doing lookups by setting these on the prototype.
+    for (var methodName in ReactClassInterface) {
+      if (!Constructor.prototype[methodName]) {
+        Constructor.prototype[methodName] = null;
+      }
+    }
+
+    return Constructor;
+  }
+
+  return createClass;
+}
+
+module.exports = factory;
--- a/addons/create-react-class/index.js
+++ b/addons/create-react-class/index.js
@@ -0,0 +1,28 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+'use strict';
+
+var React = require('react');
+var factory = require('./factory');
+
+if (typeof React === 'undefined') {
+  throw Error(
+    'create-react-class could not find the React object. If you are using script tags, ' +
+      'make sure that React is being loaded before create-react-class.'
+  );
+}
+
+// Hack to grab NoopUpdateQueue from isomorphic React
+var ReactNoopUpdateQueue = new React.Component().updater;
+
+module.exports = factory(
+  React.Component,
+  React.isValidElement,
+  ReactNoopUpdateQueue
+);
--- a/addons/create-react-class/package.json
+++ b/addons/create-react-class/package.json
@@ -0,0 +1,46 @@
+{
+  "name": "create-react-class",
+  "version": "15.6.3",
+  "description": "Legacy API for creating React components.",
+  "main": "index.js",
+  "license": "MIT",
+  "files": [
+    "LICENSE",
+    "factory.js",
+    "index.js",
+    "create-react-class.js",
+    "create-react-class.min.js"
+  ],
+  "repository": "facebook/react",
+  "keywords": [
+    "react"
+  ],
+  "bugs": {
+    "url": "https://github.com/facebook/react/issues"
+  },
+  "homepage": "https://facebook.github.io/react/",
+  "dependencies": {
+    "fbjs": "^0.8.9",
+    "loose-envify": "^1.3.1",
+    "object-assign": "^4.1.1"
+  },
+  "scripts": {
+    "test": "TEST_ENTRY=./index.js jest",
+    "build:dev": "NODE_ENV=development webpack && TEST_ENTRY=./create-react-class.js jest",
+    "build:prod": "NODE_ENV=production webpack && NODE_ENV=production TEST_ENTRY=./create-react-class.min.js jest",
+    "build": "npm run build:dev && npm run build:prod",
+    "prepublish": "npm test && npm run build"
+  },
+  "devDependencies": {
+    "jest": "^19.0.2",
+    "prop-types": "^15.5.10",
+    "react": "^15.5.4",
+    "react-dom": "^15.5.4",
+    "webpack": "^2.6.1"
+  },
+  "browserify": {
+    "transform": [
+      "loose-envify"
+    ]
+  }
+}
--- a/addons/create-react-class/test.js
+++ b/addons/create-react-class/test.js
@@ -0,0 +1,576 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+var PropTypes;
+var React;
+var ReactDOM;
+var createReactClass;
+
+// Catch stray warnings
+var env = jasmine.getEnv();
+var callCount = 0;
+var oldError = console.error;
+var newError = function() {
+  callCount++;
+  oldError.apply(this, arguments);
+};
+console.error = newError;
+env.beforeEach(() => {
+  callCount = 0;
+  jasmine.addMatchers({
+    toBeReset() {
+      return {
+        compare(actual) {
+          if (actual !== newError && !jasmine.isSpy(actual)) {
+            return {
+              pass: false,
+              message: 'Test did not tear down console.error mock properly.'
+            };
+          }
+          return {pass: true};
+        }
+      };
+    },
+    toNotHaveBeenCalled() {
+      return {
+        compare(actual) {
+          return {
+            pass: callCount === 0,
+            message:
+              'Expected test not to warn. If the warning is expected, mock ' +
+                "it out using spyOn(console, 'error'); and test that the " +
+                'warning occurs.'
+          };
+        }
+      };
+    }
+  });
+});
+env.afterEach(() => {
+  expect(console.error).toBeReset();
+  expect(console.error).toNotHaveBeenCalled();
+});
+
+// Suppress warning expectations for prod builds
+function suppressDevMatcher(obj, name) {
+  const original = obj[name];
+  obj[name] = function devMatcher() {
+    try {
+      original.apply(this, arguments);
+    } catch (e) {
+      // skip
+    }
+  };
+}
+function expectDev(actual) {
+  const expectation = expect(actual);
+  if (process.env.NODE_ENV === 'production') {
+    Object.keys(expectation).forEach(name => {
+      suppressDevMatcher(expectation, name);
+      suppressDevMatcher(expectation.not, name);
+    });
+  }
+  return expectation;
+}
+
+function renderIntoDocument(element) {
+  var node = document.createElement('div');
+  return ReactDOM.render(element, node);
+}
+
+describe('ReactClass-spec', () => {
+  beforeEach(() => {
+    PropTypes = require('prop-types');
+    React = require('react');
+    ReactDOM = require('react-dom');
+    createReactClass = require(process.env.TEST_ENTRY);
+  });
+
+  it('should throw when `render` is not specified', () => {
+    expect(function() {
+      createReactClass({});
+    }).toThrowError(
+      'createClass(...): Class specification must implement a `render` method.'
+    );
+  });
+
+  // TODO: Update babel-plugin-transform-react-display-name
+  xit('should copy `displayName` onto the Constructor', () => {
+    var TestComponent = createReactClass({
+      render: function() {
+        return <div />;
+      }
+    });
+
+    expect(TestComponent.displayName).toBe('TestComponent');
+  });
+
+  it('should copy prop types onto the Constructor', () => {
+    var propValidator = jest.fn();
+    var TestComponent = createReactClass({
+      propTypes: {
+        value: propValidator
+      },
+      render: function() {
+        return <div />;
+      }
+    });
+
+    expect(TestComponent.propTypes).toBeDefined();
+    expect(TestComponent.propTypes.value).toBe(propValidator);
+  });
+
+  it('should warn on invalid prop types', () => {
+    spyOn(console, 'error');
+    createReactClass({
+      displayName: 'Component',
+      propTypes: {
+        prop: null
+      },
+      render: function() {
+        return <span>{this.props.prop}</span>;
+      }
+    });
+    expectDev(console.error.calls.count()).toBe(1);
+    expectDev(console.error.calls.argsFor(0)[0]).toBe(
+      'Warning: Component: prop type `prop` is invalid; ' +
+        'it must be a function, usually from React.PropTypes.'
+    );
+  });
+
+  it('should warn on invalid context types', () => {
+    spyOn(console, 'error');
+    createReactClass({
+      displayName: 'Component',
+      contextTypes: {
+        prop: null
+      },
+      render: function() {
+        return <span>{this.props.prop}</span>;
+      }
+    });
+    expectDev(console.error.calls.count()).toBe(1);
+    expectDev(console.error.calls.argsFor(0)[0]).toBe(
+      'Warning: Component: context type `prop` is invalid; ' +
+        'it must be a function, usually from React.PropTypes.'
+    );
+  });
+
+  it('should throw on invalid child context types', () => {
+    spyOn(console, 'error');
+    createReactClass({
+      displayName: 'Component',
+      childContextTypes: {
+        prop: null
+      },
+      render: function() {
+        return <span>{this.props.prop}</span>;
+      }
+    });
+    expectDev(console.error.calls.count()).toBe(1);
+    expectDev(console.error.calls.argsFor(0)[0]).toBe(
+      'Warning: Component: child context type `prop` is invalid; ' +
+        'it must be a function, usually from React.PropTypes.'
+    );
+  });
+
+  it('should warn when mispelling shouldComponentUpdate', () => {
+    spyOn(console, 'error');
+
+    createReactClass({
+      componentShouldUpdate: function() {
+        return false;
+      },
+      render: function() {
+        return <div />;
+      }
+    });
+    expectDev(console.error.calls.count()).toBe(1);
+    expectDev(console.error.calls.argsFor(0)[0]).toBe(
+      'Warning: A component has a method called componentShouldUpdate(). Did you ' +
+        'mean shouldComponentUpdate()? The name is phrased as a question ' +
+        'because the function is expected to return a value.'
+    );
+
+    createReactClass({
+      displayName: 'NamedComponent',
+      componentShouldUpdate: function() {
+        return false;
+      },
+      render: function() {
+        return <div />;
+      }
+    });
+    expectDev(console.error.calls.count()).toBe(2);
+    expectDev(console.error.calls.argsFor(1)[0]).toBe(
+      'Warning: NamedComponent has a method called componentShouldUpdate(). Did you ' +
+        'mean shouldComponentUpdate()? The name is phrased as a question ' +
+        'because the function is expected to return a value.'
+    );
+  });
+
+  it('should warn when mispelling componentWillReceiveProps', () => {
+    spyOn(console, 'error');
+    createReactClass({
+      componentWillRecieveProps: function() {
+        return false;
+      },
+      render: function() {
+        return <div />;
+      }
+    });
+    expectDev(console.error.calls.count()).toBe(1);
+    expectDev(console.error.calls.argsFor(0)[0]).toBe(
+      'Warning: A component has a method called componentWillRecieveProps(). Did you ' +
+        'mean componentWillReceiveProps()?'
+    );
+  });
+
+  it('should throw if a reserved property is in statics', () => {
+    expect(function() {
+      createReactClass({
+        statics: {
+          getDefaultProps: function() {
+            return {
+              foo: 0
+            };
+          }
+        },
+
+        render: function() {
+          return <span />;
+        }
+      });
+    }).toThrowError(
+      'ReactClass: You are attempting to define a reserved property, ' +
+        '`getDefaultProps`, that shouldn\'t be on the "statics" key. Define ' +
+        'it as an instance property instead; it will still be accessible on ' +
+        'the constructor.'
+    );
+  });
+
+  // TODO: Consider actually moving these to statics or drop this unit test.
+  xit('should warn when using deprecated non-static spec keys', () => {
+    spyOn(console, 'error');
+    createReactClass({
+      mixins: [{}],
+      propTypes: {
+        foo: PropTypes.string
+      },
+      contextTypes: {
+        foo: PropTypes.string
+      },
+      childContextTypes: {
+        foo: PropTypes.string
+      },
+      render: function() {
+        return <div />;
+      }
+    });
+    expectDev(console.error.calls.count()).toBe(4);
+    expectDev(console.error.calls.argsFor(0)[0]).toBe(
+      'createClass(...): `mixins` is now a static property and should ' +
+        'be defined inside "statics".'
+    );
+    expectDev(console.error.calls.argsFor(1)[0]).toBe(
+      'createClass(...): `propTypes` is now a static property and should ' +
+        'be defined inside "statics".'
+    );
+    expectDev(console.error.calls.argsFor(2)[0]).toBe(
+      'createClass(...): `contextTypes` is now a static property and ' +
+        'should be defined inside "statics".'
+    );
+    expectDev(console.error.calls.argsFor(3)[0]).toBe(
+      'createClass(...): `childContextTypes` is now a static property and ' +
+        'should be defined inside "statics".'
+    );
+  });
+
+  it('should support statics', () => {
+    var Component = createReactClass({
+      statics: {
+        abc: 'def',
+        def: 0,
+        ghi: null,
+        jkl: 'mno',
+        pqr: function() {
+          return this;
+        }
+      },
+
+      render: function() {
+        return <span />;
+      }
+    });
+    var instance = <Component />;
+    instance = renderIntoDocument(instance);
+    expect(instance.constructor.abc).toBe('def');
+    expect(Component.abc).toBe('def');
+    expect(instance.constructor.def).toBe(0);
+    expect(Component.def).toBe(0);
+    expect(instance.constructor.ghi).toBe(null);
+    expect(Component.ghi).toBe(null);
+    expect(instance.constructor.jkl).toBe('mno');
+    expect(Component.jkl).toBe('mno');
+    expect(instance.constructor.pqr()).toBe(Component);
+    expect(Component.pqr()).toBe(Component);
+  });
+
+  it('should work with object getInitialState() return values', () => {
+    var Component = createReactClass({
+      getInitialState: function() {
+        return {
+          occupation: 'clown'
+        };
+      },
+      render: function() {
+        return <span />;
+      }
+    });
+    var instance = <Component />;
+    instance = renderIntoDocument(instance);
+    expect(instance.state.occupation).toEqual('clown');
+  });
+
+  it('renders based on context getInitialState', () => {
+    var Foo = createReactClass({
+      contextTypes: {
+        className: PropTypes.string
+      },
+      getInitialState() {
+        return {className: this.context.className};
+      },
+      render() {
+        return <span className={this.state.className} />;
+      }
+    });
+
+    var Outer = createReactClass({
+      childContextTypes: {
+        className: PropTypes.string
+      },
+      getChildContext() {
+        return {className: 'foo'};
+      },
+      render() {
+        return <Foo />;
+      }
+    });
+
+    var container = document.createElement('div');
+    ReactDOM.render(<Outer />, container);
+    expect(container.firstChild.className).toBe('foo');
+  });
+
+  it('should throw with non-object getInitialState() return values', () => {
+    spyOn(console, 'error');
+
+    [['an array'], 'a string', 1234].forEach(function(state) {
+      var Component = createReactClass({
+        getInitialState: function() {
+          return state;
+        },
+        render: function() {
+          return <span />;
+        }
+      });
+      var instance = <Component />;
+      expect(function() {
+        instance = renderIntoDocument(instance);
+      }).toThrowError(
+        'Component.getInitialState(): must return an object or null'
+      );
+    });
+  });
+
+  it('should work with a null getInitialState() return value', () => {
+    var Component = createReactClass({
+      getInitialState: function() {
+        return null;
+      },
+      render: function() {
+        return <span />;
+      }
+    });
+    expect(() => renderIntoDocument(<Component />)).not.toThrow();
+  });
+
+  it('should throw when using legacy factories', () => {
+    spyOn(console, 'error');
+    var Component = createReactClass({
+      render() {
+        return <div />;
+      }
+    });
+
+    expect(() => Component()).toThrow();
+    expectDev(console.error.calls.count()).toBe(1);
+    expectDev(console.error.calls.argsFor(0)[0]).toBe(
+      'Warning: Something is calling a React component directly. Use a ' +
+        'factory or JSX instead. See: https://fb.me/react-legacyfactory'
+    );
+  });
+
+  it('replaceState and callback works', () => {
+    var ops = [];
+    var Component = createReactClass({
+      getInitialState() {
+        return {step: 0};
+      },
+      render() {
+        ops.push('Render: ' + this.state.step);
+        return <div />;
+      }
+    });
+
+    var instance = renderIntoDocument(<Component />);
+    instance.replaceState({step: 1}, () => {
+      ops.push('Callback: ' + instance.state.step);
+    });
+    expect(ops).toEqual(['Render: 0', 'Render: 1', 'Callback: 1']);
+  });
+
+  it('isMounted works', () => {
+    spyOn(console, 'error');
+
+    var ops = [];
+    var instance;
+    var Component = createReactClass({
+      displayName: 'MyComponent',
+      mixins: [
+        {
+          componentWillMount() {
+            this.log('mixin.componentWillMount');
+          },
+          componentDidMount() {
+            this.log('mixin.componentDidMount');
+          },
+          componentWillUpdate() {
+            this.log('mixin.componentWillUpdate');
+          },
+          componentDidUpdate() {
+            this.log('mixin.componentDidUpdate');
+          },
+          componentWillUnmount() {
+            this.log('mixin.componentWillUnmount');
+          }
+        }
+      ],
+      log(name) {
+        ops.push(`${name}: ${this.isMounted()}`);
+      },
+      getInitialState() {
+        this.log('getInitialState');
+        return {};
+      },
+      componentWillMount() {
+        this.log('componentWillMount');
+      },
+      componentDidMount() {
+        this.log('componentDidMount');
+      },
+      componentWillUpdate() {
+        this.log('componentWillUpdate');
+      },
+      componentDidUpdate() {
+        this.log('componentDidUpdate');
+      },
+      componentWillUnmount() {
+        this.log('componentWillUnmount');
+      },
+      render() {
+        instance = this;
+        this.log('render');
+        return <div />;
+      }
+    });
+
+    var container = document.createElement('div');
+    ReactDOM.render(<Component />, container);
+    ReactDOM.render(<Component />, container);
+    ReactDOM.unmountComponentAtNode(container);
+    instance.log('after unmount');
+    expect(ops).toEqual([
+      'getInitialState: false',
+      'mixin.componentWillMount: false',
+      'componentWillMount: false',
+      'render: false',
+      'mixin.componentDidMount: true',
+      'componentDidMount: true',
+      'mixin.componentWillUpdate: true',
+      'componentWillUpdate: true',
+      'render: true',
+      'mixin.componentDidUpdate: true',
+      'componentDidUpdate: true',
+      'mixin.componentWillUnmount: true',
+      'componentWillUnmount: true',
+      'after unmount: false'
+    ]);
+
+    expectDev(console.error.calls.count()).toBe(1);
+    expectDev(console.error.calls.argsFor(0)[0]).toEqual(
+      'Warning: MyComponent: isMounted is deprecated. Instead, make sure to ' +
+        'clean up subscriptions and pending requests in componentWillUnmount ' +
+        'to prevent memory leaks.'
+    );
+  });
+
+  it('should support getInitialState mixin', () => {
+    const Component = createReactClass({
+      mixins: [{
+        getInitialState: function(props) {
+          return {
+            foo: 'foo'
+          };
+        },
+      }],
+      getInitialState: function(props) {
+        return {
+          bar: 'bar'
+        };
+      },
+      render: function() {
+        return <div />;
+      }
+    });
+    const instance = renderIntoDocument(<Component />);
+    expect(instance.state.foo).toEqual('foo');
+    expect(instance.state.bar).toEqual('bar');
+  });
+
+  it('should merge return values for static getDerivedStateFromProps mixin', () => {
+    const Component = createReactClass({
+      mixins: [{
+        statics: {
+          getDerivedStateFromProps: function(props, prevState) {
+            return {
+              foo: 'foo'
+            };
+          }
+        },
+      }],
+      statics: {
+        getDerivedStateFromProps: function(props, prevState) {
+          return {
+            bar: 'bar'
+          };
+        }
+      },
+      render: function() {
+        return <div />;
+      }
+    });
+
+    const state = Component.getDerivedStateFromProps();
+    expect(state.foo).toEqual('foo');
+    expect(state.bar).toEqual('bar');
+  });
+});
--- a/addons/create-react-class/webpack.config.js
+++ b/addons/create-react-class/webpack.config.js
@@ -0,0 +1,59 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+const webpack = require('webpack');
+
+let __DEV__;
+switch (process.env.NODE_ENV) {
+  case 'development':
+    __DEV__ = true;
+    break;
+  case 'production':
+    __DEV__ = false;
+    break;
+  default:
+    throw new Error('Unknown environment.');
+}
+
+module.exports = {
+  entry: './index',
+  output: {
+    library: 'createReactClass',
+    libraryTarget: 'umd',
+    filename: __DEV__ ? 'create-react-class.js' : 'create-react-class.min.js'
+  },
+  externals: {
+    react: {
+      root: 'React',
+      commonjs2: 'react',
+      commonjs: 'react',
+      amd: 'react'
+    }
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env.NODE_ENV': __DEV__ ? '"development"' : '"production"'
+    })
+  ].concat(
+    __DEV__
+      ? []
+      : [
+          new webpack.optimize.UglifyJsPlugin({
+            compress: {
+              warnings: false
+            },
+            output: {
+              comments: false
+            }
+          })
+        ]
+  )
+};
--- a/addons/create-react-class/yarn.lock
+++ b/addons/create-react-class/yarn.lock
--- a/addons/postbuild.js
+++ b/addons/postbuild.js
@@ -0,0 +1,71 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+var fs = require('fs');
+var path = require('path');
+
+// This lets us import Webpack config without crashing
+process.env.NODE_ENV = 'development';
+
+// This script runs from the addon folder
+var exportName = require(path.resolve(process.cwd(), './webpack.config')).output
+  .library;
+var packageName = path.basename(process.cwd());
+
+if (packageName.indexOf('react-addons') !== 0) {
+  throw new Error(
+    'Only run this script for packages that used to be published as addons.'
+  );
+}
+
+// Inputs
+// DEV:  root["exportName"] = factory(root["React"])
+// PROD: e.exportName=t(e.React)
+var find = new RegExp(
+  '((?!exports)\\b\\w+)(\\["' +
+    exportName +
+    '"\\]|\\.' +
+    exportName +
+    ')\\s*=\\s*(\\w+)\\((.*)\\)'
+);
+// Outputs
+// DEV:  (root.React ? (root.React.addons = root.React.addons || {}) : /* throw */).exportName = factory(/* ... */);
+// PROD: (e.React ? (e.React.addons = e.React.addons || {}) : /* throw */).exportName = t(/* ... */)
+var throwIIFE = [
+  '(function(){',
+  'throw new Error("' +
+    packageName +
+    ' could not find the React object. If you are using script tags, make sure that React is being loaded before ' +
+    packageName +
+    '.")',
+  '})()'
+].join('');
+var replace =
+  '($1.React?($1.React.addons=$1.React.addons||{}):' +
+  throwIIFE +
+  ').' +
+  exportName +
+  '=$3($4)';
+
+console.log('Tweaking the development UMD...');
+var devUMD = fs.readFileSync('./' + packageName + '.js', 'utf8').toString();
+devUMD = devUMD.replace(find, replace);
+fs.writeFileSync('./' + packageName + '.js', devUMD);
+
+console.log('Tweaking the production UMD...');
+var prodUMD = fs
+  .readFileSync('./' + packageName + '.min.js', 'utf8')
+  .toString();
+prodUMD = prodUMD.replace(find, replace);
+fs.writeFileSync('./' + packageName + '.min.js', prodUMD);
+
+console.log('Done.');
+console.log('Note that you need to manually test the UMD builds.');
--- a/addons/react-addons-create-fragment/.gitignore
+++ b/addons/react-addons-create-fragment/.gitignore
@@ -0,0 +1,2 @@
+react-addons-create-fragment.js
+react-addons-create-fragment.min.js
--- a/addons/react-addons-create-fragment/LICENSE
+++ b/addons/react-addons-create-fragment/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013-present, Facebook, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/addons/react-addons-create-fragment/README.md
+++ b/addons/react-addons-create-fragment/README.md
@@ -0,0 +1,77 @@
+# react-addons-create-fragment
+
+
+>**Note:**
+>This is a legacy React addon, and is no longer maintained.
+>
+>We don't encourage using it in new code, but it exists for backwards compatibility.  
+>The recommended migration path is to use arrays with explicit keys on individual elements.
+
+**Importing**
+
+```javascript
+import createFragment from 'react-addons-create-fragment'; // ES6
+var createFragment = require('react-addons-create-fragment'); // ES5 with npm
+```
+
+If you prefer a `<script>` tag, you can get it from `React.addons.createFragment` with:
+
+```html
+<!-- development version -->
+<script src="https://unpkg.com/react-addons-create-fragment/react-addons-create-fragment.js"></script>
+
+<!-- production version -->
+<script src="https://unpkg.com/react-addons-create-fragment/react-addons-create-fragment.min.js"></script>
+```
+
+In this case, make sure to put the `<script>` tag after React.
+
+## Overview
+
+In most cases, you can use the `key` prop to specify keys on the elements you're returning from `render`. However, this breaks down in one situation: if you have two sets of children that you need to reorder, there's no way to put a key on each set without adding a wrapper element.
+
+That is, if you have a component such as:
+
+```js
+function Swapper(props) {
+  let children;
+  if (props.swapped) {
+    children = [props.rightChildren, props.leftChildren];
+  } else {
+    children = [props.leftChildren, props.rightChildren];
+  }
+  return <div>{children}</div>;
+}
+```
+
+The children will unmount and remount as you change the `swapped` prop because there aren't any keys marked on the two sets of children.
+
+To solve this problem, you can use the `createFragment` add-on to give keys to the sets of children.
+
+#### `Array<ReactNode> createFragment(object children)`
+
+Instead of creating arrays, we write:
+
+```javascript
+import createFragment from 'react-addons-create-fragment';
+
+function Swapper(props) {
+  let children;
+  if (props.swapped) {
+    children = createFragment({
+      right: props.rightChildren,
+      left: props.leftChildren
+    });
+  } else {
+    children = createFragment({
+      left: props.leftChildren,
+      right: props.rightChildren
+    });
+  }
+  return <div>{children}</div>;
+}
+```
+
+The keys of the passed object (that is, `left` and `right`) are used as keys for the entire set of children, and the order of the object's keys is used to determine the order of the rendered children. With this change, the two sets of children will be properly reordered in the DOM without unmounting.
+
+The return value of `createFragment` should be treated as an opaque object; you can use the [`React.Children`](https://facebook.github.io/react/docs/react-api.html#react.children) helpers to loop through a fragment but should not access it directly. Note also that we're relying on the JavaScript engine preserving object enumeration order here, which is not guaranteed by the spec but is implemented by all major browsers and VMs for objects with non-numeric keys.
--- a/addons/react-addons-create-fragment/index.js
+++ b/addons/react-addons-create-fragment/index.js
@@ -0,0 +1,346 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+var React = require('react');
+
+var REACT_ELEMENT_TYPE =
+  (typeof Symbol === 'function' && Symbol.for && Symbol.for('react.element')) ||
+  0xeac7;
+
+var emptyFunction = require('fbjs/lib/emptyFunction');
+var invariant = require('fbjs/lib/invariant');
+var warning = require('fbjs/lib/warning');
+
+var SEPARATOR = '.';
+var SUBSEPARATOR = ':';
+
+var didWarnAboutMaps = false;
+
+var ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;
+var FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec.
+
+function getIteratorFn(maybeIterable) {
+  var iteratorFn =
+    maybeIterable &&
+    ((ITERATOR_SYMBOL && maybeIterable[ITERATOR_SYMBOL]) ||
+      maybeIterable[FAUX_ITERATOR_SYMBOL]);
+  if (typeof iteratorFn === 'function') {
+    return iteratorFn;
+  }
+}
+
+function escape(key) {
+  var escapeRegex = /[=:]/g;
+  var escaperLookup = {
+    '=': '=0',
+    ':': '=2'
+  };
+  var escapedString = ('' + key).replace(escapeRegex, function(match) {
+    return escaperLookup[match];
+  });
+
+  return '$' + escapedString;
+}
+
+function getComponentKey(component, index) {
+  // Do some typechecking here since we call this blindly. We want to ensure
+  // that we don't block potential future ES APIs.
+  if (component && typeof component === 'object' && component.key != null) {
+    // Explicit key
+    return escape(component.key);
+  }
+  // Implicit key determined by the index in the set
+  return index.toString(36);
+}
+
+function traverseAllChildrenImpl(
+  children,
+  nameSoFar,
+  callback,
+  traverseContext
+) {
+  var type = typeof children;
+
+  if (type === 'undefined' || type === 'boolean') {
+    // All of the above are perceived as null.
+    children = null;
+  }
+
+  if (
+    children === null ||
+    type === 'string' ||
+    type === 'number' ||
+    // The following is inlined from ReactElement. This means we can optimize
+    // some checks. React Fiber also inlines this logic for similar purposes.
+    (type === 'object' && children.$$typeof === REACT_ELEMENT_TYPE)
+  ) {
+    callback(
+      traverseContext,
+      children,
+      // If it's the only child, treat the name as if it was wrapped in an array
+      // so that it's consistent if the number of children grows.
+      nameSoFar === '' ? SEPARATOR + getComponentKey(children, 0) : nameSoFar
+    );
+    return 1;
+  }
+
+  var child;
+  var nextName;
+  var subtreeCount = 0; // Count of children found in the current subtree.
+  var nextNamePrefix = nameSoFar === '' ? SEPARATOR : nameSoFar + SUBSEPARATOR;
+
+  if (Array.isArray(children)) {
+    for (var i = 0; i < children.length; i++) {
+      child = children[i];
+      nextName = nextNamePrefix + getComponentKey(child, i);
+      subtreeCount += traverseAllChildrenImpl(
+        child,
+        nextName,
+        callback,
+        traverseContext
+      );
+    }
+  } else {
+    var iteratorFn = getIteratorFn(children);
+    if (iteratorFn) {
+      if (process.env.NODE_ENV !== 'production') {
+        // Warn about using Maps as children
+        if (iteratorFn === children.entries) {
+          warning(
+            didWarnAboutMaps,
+            'Using Maps as children is unsupported and will likely yield ' +
+              'unexpected results. Convert it to a sequence/iterable of keyed ' +
+              'ReactElements instead.'
+          );
+          didWarnAboutMaps = true;
+        }
+      }
+
+      var iterator = iteratorFn.call(children);
+      var step;
+      var ii = 0;
+      while (!(step = iterator.next()).done) {
+        child = step.value;
+        nextName = nextNamePrefix + getComponentKey(child, ii++);
+        subtreeCount += traverseAllChildrenImpl(
+          child,
+          nextName,
+          callback,
+          traverseContext
+        );
+      }
+    } else if (type === 'object') {
+      var addendum = '';
+      if (process.env.NODE_ENV !== 'production') {
+        addendum =
+          ' If you meant to render a collection of children, use an array ' +
+          'instead or wrap the object using createFragment(object) from the ' +
+          'React add-ons.';
+      }
+      var childrenString = '' + children;
+      invariant(
+        false,
+        'Objects are not valid as a React child (found: %s).%s',
+        childrenString === '[object Object]'
+          ? 'object with keys {' + Object.keys(children).join(', ') + '}'
+          : childrenString,
+        addendum
+      );
+    }
+  }
+
+  return subtreeCount;
+}
+
+function traverseAllChildren(children, callback, traverseContext) {
+  if (children == null) {
+    return 0;
+  }
+
+  return traverseAllChildrenImpl(children, '', callback, traverseContext);
+}
+
+var userProvidedKeyEscapeRegex = /\/+/g;
+function escapeUserProvidedKey(text) {
+  return ('' + text).replace(userProvidedKeyEscapeRegex, '$&/');
+}
+
+function cloneAndReplaceKey(oldElement, newKey) {
+  return React.cloneElement(
+    oldElement,
+    {key: newKey},
+    oldElement.props !== undefined ? oldElement.props.children : undefined
+  );
+}
+
+var DEFAULT_POOL_SIZE = 10;
+var DEFAULT_POOLER = oneArgumentPooler;
+
+var oneArgumentPooler = function(copyFieldsFrom) {
+  var Klass = this;
+  if (Klass.instancePool.length) {
+    var instance = Klass.instancePool.pop();
+    Klass.call(instance, copyFieldsFrom);
+    return instance;
+  } else {
+    return new Klass(copyFieldsFrom);
+  }
+};
+
+var addPoolingTo = function addPoolingTo(CopyConstructor, pooler) {
+  // Casting as any so that flow ignores the actual implementation and trusts
+  // it to match the type we declared
+  var NewKlass = CopyConstructor;
+  NewKlass.instancePool = [];
+  NewKlass.getPooled = pooler || DEFAULT_POOLER;
+  if (!NewKlass.poolSize) {
+    NewKlass.poolSize = DEFAULT_POOL_SIZE;
+  }
+  NewKlass.release = standardReleaser;
+  return NewKlass;
+};
+
+var standardReleaser = function standardReleaser(instance) {
+  var Klass = this;
+  invariant(
+    instance instanceof Klass,
+    'Trying to release an instance into a pool of a different type.'
+  );
+  instance.destructor();
+  if (Klass.instancePool.length < Klass.poolSize) {
+    Klass.instancePool.push(instance);
+  }
+};
+
+var fourArgumentPooler = function fourArgumentPooler(a1, a2, a3, a4) {
+  var Klass = this;
+  if (Klass.instancePool.length) {
+    var instance = Klass.instancePool.pop();
+    Klass.call(instance, a1, a2, a3, a4);
+    return instance;
+  } else {
+    return new Klass(a1, a2, a3, a4);
+  }
+};
+
+function MapBookKeeping(mapResult, keyPrefix, mapFunction, mapContext) {
+  this.result = mapResult;
+  this.keyPrefix = keyPrefix;
+  this.func = mapFunction;
+  this.context = mapContext;
+  this.count = 0;
+}
+MapBookKeeping.prototype.destructor = function() {
+  this.result = null;
+  this.keyPrefix = null;
+  this.func = null;
+  this.context = null;
+  this.count = 0;
+};
+addPoolingTo(MapBookKeeping, fourArgumentPooler);
+
+function mapSingleChildIntoContext(bookKeeping, child, childKey) {
+  var result = bookKeeping.result;
+  var keyPrefix = bookKeeping.keyPrefix;
+  var func = bookKeeping.func;
+  var context = bookKeeping.context;
+
+  var mappedChild = func.call(context, child, bookKeeping.count++);
+  if (Array.isArray(mappedChild)) {
+    mapIntoWithKeyPrefixInternal(
+      mappedChild,
+      result,
+      childKey,
+      emptyFunction.thatReturnsArgument
+    );
+  } else if (mappedChild != null) {
+    if (React.isValidElement(mappedChild)) {
+      mappedChild = cloneAndReplaceKey(
+        mappedChild,
+        // Keep both the (mapped) and old keys if they differ, just as
+        // traverseAllChildren used to do for objects as children
+        keyPrefix +
+          (mappedChild.key && (!child || child.key !== mappedChild.key)
+            ? escapeUserProvidedKey(mappedChild.key) + '/'
+            : '') +
+          childKey
+      );
+    }
+    result.push(mappedChild);
+  }
+}
+
+function mapIntoWithKeyPrefixInternal(children, array, prefix, func, context) {
+  var escapedPrefix = '';
+  if (prefix != null) {
+    escapedPrefix = escapeUserProvidedKey(prefix) + '/';
+  }
+  var traverseContext = MapBookKeeping.getPooled(
+    array,
+    escapedPrefix,
+    func,
+    context
+  );
+  traverseAllChildren(children, mapSingleChildIntoContext, traverseContext);
+  MapBookKeeping.release(traverseContext);
+}
+
+var numericPropertyRegex = /^\d+$/;
+
+var warnedAboutNumeric = false;
+
+function createReactFragment(object) {
+  if (typeof object !== 'object' || !object || Array.isArray(object)) {
+    warning(
+      false,
+      'React.addons.createFragment only accepts a single object. Got: %s',
+      object
+    );
+    return object;
+  }
+  if (React.isValidElement(object)) {
+    warning(
+      false,
+      'React.addons.createFragment does not accept a ReactElement ' +
+        'without a wrapper object.'
+    );
+    return object;
+  }
+
+  invariant(
+    object.nodeType !== 1,
+    'React.addons.createFragment(...): Encountered an invalid child; DOM ' +
+      'elements are not valid children of React components.'
+  );
+
+  var result = [];
+
+  for (var key in object) {
+    if (process.env.NODE_ENV !== 'production') {
+      if (!warnedAboutNumeric && numericPropertyRegex.test(key)) {
+        warning(
+          false,
+          'React.addons.createFragment(...): Child objects should have ' +
+            'non-numeric keys so ordering is preserved.'
+        );
+        warnedAboutNumeric = true;
+      }
+    }
+    mapIntoWithKeyPrefixInternal(
+      object[key],
+      result,
+      key,
+      emptyFunction.thatReturnsArgument
+    );
+  }
+
+  return result;
+}
+
+module.exports = createReactFragment;
--- a/addons/react-addons-create-fragment/package.json
+++ b/addons/react-addons-create-fragment/package.json
@@ -0,0 +1,41 @@
+{
+  "name": "react-addons-create-fragment",
+  "version": "15.6.2",
+  "main": "index.js",
+  "repository": "facebook/react",
+  "keywords": [
+    "react",
+    "react-addon"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "fbjs": "^0.8.4",
+    "loose-envify": "^1.3.1",
+    "object-assign": "^4.1.0"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "index.js",
+    "react-addons-create-fragment.js",
+    "react-addons-create-fragment.min.js"
+  ],
+  "scripts": {
+    "test": "TEST_ENTRY=./index.js jest",
+    "build:dev": "NODE_ENV=development webpack && TEST_ENTRY=./react-addons-create-fragment.js jest",
+    "build:prod": "NODE_ENV=production webpack && NODE_ENV=production TEST_ENTRY=./react-addons-create-fragment.min.js jest",
+    "build": "npm run build:dev && npm run build:prod && node ../postbuild.js",
+    "prepublish": "npm test && npm run build"
+  },
+  "devDependencies": {
+    "jest": "^19.0.2",
+    "react": "^15.4.2",
+    "react-dom": "^15.4.2",
+    "webpack": "^2.6.1"
+  },
+  "browserify": {
+    "transform": [
+      "loose-envify"
+    ]
+  }
+}
--- a/addons/react-addons-create-fragment/test.js
+++ b/addons/react-addons-create-fragment/test.js
@@ -0,0 +1,131 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+var React;
+var createReactFragment;
+
+// Catch stray warnings
+var env = jasmine.getEnv();
+var callCount = 0;
+var oldError = console.error;
+var newError = function() {
+  callCount++;
+  oldError.apply(this, arguments);
+};
+console.error = newError;
+env.beforeEach(() => {
+  callCount = 0;
+  jasmine.addMatchers({
+    toBeReset() {
+      return {
+        compare(actual) {
+          if (actual !== newError && !jasmine.isSpy(actual)) {
+            return {
+              pass: false,
+              message: 'Test did not tear down console.error mock properly.'
+            };
+          }
+          return {pass: true};
+        }
+      };
+    },
+    toNotHaveBeenCalled() {
+      return {
+        compare(actual) {
+          return {
+            pass: callCount === 0,
+            message:
+              'Expected test not to warn. If the warning is expected, mock ' +
+                "it out using spyOn(console, 'error'); and test that the " +
+                'warning occurs.'
+          };
+        }
+      };
+    }
+  });
+});
+env.afterEach(() => {
+  expect(console.error).toBeReset();
+  expect(console.error).toNotHaveBeenCalled();
+});
+
+// Suppress warning expectations for prod builds
+function suppressDevMatcher(obj, name) {
+  const original = obj[name];
+  obj[name] = function devMatcher() {
+    try {
+      original.apply(this, arguments);
+    } catch (e) {
+      // skip
+    }
+  };
+}
+function expectDev(actual) {
+  const expectation = expect(actual);
+  if (process.env.NODE_ENV === 'production') {
+    Object.keys(expectation).forEach(name => {
+      suppressDevMatcher(expectation, name);
+      suppressDevMatcher(expectation.not, name);
+    });
+  }
+  return expectation;
+}
+
+describe('createReactFragment', () => {
+  beforeEach(() => {
+    jest.resetModules();
+
+    React = require('react');
+    createReactFragment = require(process.env.TEST_ENTRY);
+  });
+
+  it('warns for numeric keys on objects as children', () => {
+    spyOn(console, 'error');
+
+    createReactFragment({
+      1: React.createElement('span'),
+      2: React.createElement('span')
+    });
+
+    expectDev(console.error.calls.count()).toBe(1);
+    expectDev(console.error.calls.argsFor(0)[0]).toContain(
+      'Child objects should have non-numeric keys so ordering is preserved.'
+    );
+  });
+
+  it('should warn if passing null to createFragment', () => {
+    spyOn(console, 'error');
+    createReactFragment(null);
+    expectDev(console.error.calls.count()).toBe(1);
+    expectDev(console.error.calls.argsFor(0)[0]).toContain(
+      'React.addons.createFragment only accepts a single object.'
+    );
+  });
+
+  it('should warn if passing an array to createFragment', () => {
+    spyOn(console, 'error');
+    createReactFragment([]);
+    expectDev(console.error.calls.count()).toBe(1);
+    expectDev(console.error.calls.argsFor(0)[0]).toContain(
+      'React.addons.createFragment only accepts a single object.'
+    );
+  });
+
+  it('should warn if passing a ReactElement to createFragment', () => {
+    spyOn(console, 'error');
+    createReactFragment(React.createElement('div'));
+    expectDev(console.error.calls.count()).toBe(1);
+    expectDev(console.error.calls.argsFor(0)[0]).toContain(
+      'React.addons.createFragment does not accept a ReactElement without a ' +
+        'wrapper object.'
+    );
+  });
+});
--- a/addons/react-addons-create-fragment/webpack.config.js
+++ b/addons/react-addons-create-fragment/webpack.config.js
@@ -0,0 +1,61 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+const webpack = require('webpack');
+
+let __DEV__;
+switch (process.env.NODE_ENV) {
+  case 'development':
+    __DEV__ = true;
+    break;
+  case 'production':
+    __DEV__ = false;
+    break;
+  default:
+    throw new Error('Unknown environment.');
+}
+
+module.exports = {
+  entry: './index',
+  output: {
+    library: 'createFragment',
+    libraryTarget: 'umd',
+    filename: __DEV__
+      ? 'react-addons-create-fragment.js'
+      : 'react-addons-create-fragment.min.js'
+  },
+  externals: {
+    react: {
+      root: 'React',
+      commonjs2: 'react',
+      commonjs: 'react',
+      amd: 'react'
+    }
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env.NODE_ENV': __DEV__ ? '"development"' : '"production"'
+    })
+  ].concat(
+    __DEV__
+      ? []
+      : [
+          new webpack.optimize.UglifyJsPlugin({
+            compress: {
+              warnings: false
+            },
+            output: {
+              comments: false
+            }
+          })
+        ]
+  )
+};
--- a/addons/react-addons-create-fragment/yarn.lock
+++ b/addons/react-addons-create-fragment/yarn.lock
--- a/addons/react-addons-css-transition-group/LICENSE
+++ b/addons/react-addons-css-transition-group/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013-present, Facebook, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/addons/react-addons-css-transition-group/README.md
+++ b/addons/react-addons-css-transition-group/README.md
@@ -0,0 +1,17 @@
+# react-addons-css-transition-group
+
+The code in this package has moved. We recommend you to use `CSSTransitionGroup` from [`react-transition-group`](https://github.com/reactjs/react-transition-group) instead.
+
+In particular, its version `1.x` is a drop-in replacement for the last released version of `react-addons-css-transition-group`.
+
+Run `npm install --save react-transition-group@1.x`, and replace the imports in your code:
+
+```js
+// Old
+import CSSTransitionGroup from 'react-addons-css-transition-group';
+
+// New
+import CSSTransitionGroup from 'react-transition-group/CSSTransitionGroup';
+```
+
+The documentation branch for `react-transition-group@1.x` [can be found here](https://github.com/reactjs/react-transition-group/tree/v1-stable#high-level-api-csstransitiongroup).
--- a/addons/react-addons-css-transition-group/index.js
+++ b/addons/react-addons-css-transition-group/index.js
@@ -0,0 +1,10 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+module.exports = require('react-transition-group/CSSTransitionGroup');
--- a/addons/react-addons-css-transition-group/package.json
+++ b/addons/react-addons-css-transition-group/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "react-addons-css-transition-group",
+  "version": "15.6.2",
+  "main": "index.js",
+  "repository": "facebook/react",
+  "keywords": [
+    "react",
+    "react-addon"
+  ],
+  "license": "MIT",
+  "scripts": {
+    "prepublish": ":"
+  },
+  "dependencies": {
+    "react-transition-group": "^1.2.0"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "index.js"
+  ],
+  "peerDependencies": {
+    "react": "^15.4.2"
+  }
+}
--- a/addons/react-addons-css-transition-group/yarn.lock
+++ b/addons/react-addons-css-transition-group/yarn.lock
@@ -0,0 +1,114 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+asap@~2.0.3:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/asap/-/asap-2.0.5.tgz#522765b50c3510490e52d7dcfe085ef9ba96958f"
+
+chain-function@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/chain-function/-/chain-function-1.0.0.tgz#0d4ab37e7e18ead0bdc47b920764118ce58733dc"
+
+core-js@^1.0.0:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
+
+dom-helpers@^3.2.0:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/dom-helpers/-/dom-helpers-3.2.1.tgz#3203e07fed217bd1f424b019735582fc37b2825a"
+
+encoding@^0.1.11:
+  version "0.1.12"
+  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
+  dependencies:
+    iconv-lite "~0.4.13"
+
+fbjs@^0.8.9:
+  version "0.8.12"
+  resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.12.tgz#10b5d92f76d45575fd63a217d4ea02bea2f8ed04"
+  dependencies:
+    core-js "^1.0.0"
+    isomorphic-fetch "^2.1.1"
+    loose-envify "^1.0.0"
+    object-assign "^4.1.0"
+    promise "^7.1.1"
+    setimmediate "^1.0.5"
+    ua-parser-js "^0.7.9"
+
+iconv-lite@~0.4.13:
+  version "0.4.17"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.17.tgz#4fdaa3b38acbc2c031b045d0edcdfe1ecab18c8d"
+
+is-stream@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
+
+isomorphic-fetch@^2.1.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/isomorphic-fetch/-/isomorphic-fetch-2.2.1.tgz#611ae1acf14f5e81f729507472819fe9733558a9"
+  dependencies:
+    node-fetch "^1.0.1"
+    whatwg-fetch ">=0.10.0"
+
+js-tokens@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.1.tgz#08e9f132484a2c45a30907e9dc4d5567b7f114d7"
+
+loose-envify@^1.0.0, loose-envify@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.3.1.tgz#d1a8ad33fa9ce0e713d65fdd0ac8b748d478c848"
+  dependencies:
+    js-tokens "^3.0.0"
+
+node-fetch@^1.0.1:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.1.tgz#899cb3d0a3c92f952c47f1b876f4c8aeabd400d5"
+  dependencies:
+    encoding "^0.1.11"
+    is-stream "^1.0.1"
+
+object-assign@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+
+promise@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/promise/-/promise-7.1.1.tgz#489654c692616b8aa55b0724fa809bb7db49c5bf"
+  dependencies:
+    asap "~2.0.3"
+
+prop-types@^15.5.6:
+  version "15.5.10"
+  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.5.10.tgz#2797dfc3126182e3a95e3dfbb2e893ddd7456154"
+  dependencies:
+    fbjs "^0.8.9"
+    loose-envify "^1.3.1"
+
+react-transition-group@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/react-transition-group/-/react-transition-group-1.2.0.tgz#b51fc921b0c3835a7ef7c571c79fc82c73e9204f"
+  dependencies:
+    chain-function "^1.0.0"
+    dom-helpers "^3.2.0"
+    loose-envify "^1.3.1"
+    prop-types "^15.5.6"
+    warning "^3.0.0"
+
+setimmediate@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
+
+ua-parser-js@^0.7.9:
+  version "0.7.12"
+  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.12.tgz#04c81a99bdd5dc52263ea29d24c6bf8d4818a4bb"
+
+warning@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/warning/-/warning-3.0.0.tgz#32e5377cb572de4ab04753bdf8821c01ed605b7c"
+  dependencies:
+    loose-envify "^1.0.0"
+
+whatwg-fetch@>=0.10.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
--- a/addons/react-addons-linked-state-mixin/.gitignore
+++ b/addons/react-addons-linked-state-mixin/.gitignore
@@ -0,0 +1,2 @@
+react-addons-linked-state-mixin.js
+react-addons-linked-state-mixin.min.js
--- a/addons/react-addons-linked-state-mixin/LICENSE
+++ b/addons/react-addons-linked-state-mixin/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013-present, Facebook, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/addons/react-addons-linked-state-mixin/README.md
+++ b/addons/react-addons-linked-state-mixin/README.md
@@ -0,0 +1,109 @@
+# react-addons-linked-state-mixin
+
+>**Note:**
+>This is a legacy React addon, and is no longer maintained.
+>
+>We don't encourage using it in new code, but it exists for backwards compatibility.  
+>The recommended migration path is to explicitly set `value` and the `onChange` handler instead of using `LinkedStateMixin`.
+
+**Importing `LinkedStateMixin`**
+
+```javascript
+import LinkedStateMixin from 'react-addons-linked-state-mixin'; // ES6
+var LinkedStateMixin = require('react-addons-linked-state-mixin'); // ES5 with npm
+```
+
+If you prefer a `<script>` tag, you can get it from `React.addons.LinkedStateMixin` with:
+
+```html
+<!-- development version -->
+<script src="https://unpkg.com/react-addons-linked-state-mixin/react-addons-linked-state-mixin.js"></script>
+
+<!-- production version -->
+<script src="https://unpkg.com/react-addons-linked-state-mixin/react-addons-linked-state-mixin.min.js"></script>
+```
+
+In this case, make sure to put the `<script>` tag after React.
+
+**Importing `LinkedInput`**
+
+After React 16, you will also need `LinkedInput` component if you want to keep using this pattern. You can import it like this:
+
+```javascript
+import LinkedInput from 'react-linked-input'; // ES6
+var LinkedInput = require('react-linked-input'); // ES5 with npm
+```
+
+If you prefer a `<script>` tag, you can get it from `LinkedInput` global with:
+
+```html
+<!-- development version -->
+<script src="https://unpkg.com/react-linked-input/react-linked-input.js"></script>
+
+<!-- production version -->
+<script src="https://unpkg.com/react-linked-input/react-linked-input.min.js"></script>
+```
+
+## Overview
+
+`LinkedStateMixin` is an easy way to express two-way binding with React.
+
+In React, data flows one way: from owner to child. We think that this makes your app's code easier to understand. You can think of it as "one-way data binding."
+
+However, there are lots of applications that require you to read some data and flow it back into your program. For example, when developing forms, you'll often want to update some React `state` when you receive user input. Or perhaps you want to perform layout in JavaScript and react to changes in some DOM element size.
+
+In React, you would implement this by listening to a "change" event, read from your data source (usually the DOM) and call `setState()` on one of your components. "Closing the data flow loop" explicitly leads to more understandable and easier-to-maintain programs. See [our forms documentation](https://facebook.github.io/react/docs/forms.html) for more information.
+
+Two-way binding -- implicitly enforcing that some value in the DOM is always consistent with some React `state` -- is concise and supports a wide variety of applications. We've provided `LinkedStateMixin`: syntactic sugar for setting up the common data flow loop pattern described above, or "linking" some data source to React `state`.
+
+> Note:
+>
+> `LinkedStateMixin` is just a thin wrapper and convention around the `onChange`/`setState()` pattern. It doesn't fundamentally change how data flows in your React application.
+
+## LinkedStateMixin: Before and After
+
+Here's a simple form example without using `LinkedStateMixin`:
+
+```javascript
+var createReactClass = require('create-react-class');
+
+var NoLink = createReactClass({
+  getInitialState: function() {
+    return {message: 'Hello!'};
+  },
+  handleChange: function(event) {
+    this.setState({message: event.target.value});
+  },
+  render: function() {
+    var message = this.state.message;
+    return <input type="text" value={message} onChange={this.handleChange} />;
+  }
+});
+```
+
+This works really well and it's very clear how data is flowing, however, with a lot of form fields it could get a bit verbose. Let's use `LinkedStateMixin` to save us some typing:
+
+```javascript
+var createReactClass = require('create-react-class');
+var LinkedInput = require('react-linked-input');
+
+var WithLink = createReactClass({
+  mixins: [LinkedStateMixin],
+  getInitialState: function() {
+    return {message: 'Hello!'};
+  },
+  render: function() {
+    return <LinkedInput type="text" valueLink={this.linkState('message')} />;
+  }
+});
+```
+
+`LinkedStateMixin` adds a method to your React component called `linkState()`. `linkState()` returns a `valueLink` object which contains the current value of the React state and a callback to change it. The `LinkInput` component passes those properties to the input it renders.
+
+`valueLink` objects can be passed up and down the tree as props, so it's easy (and explicit) to set up two-way binding between a component deep in the hierarchy and state that lives higher in the hierarchy.
+
+Note that checkboxes have a special behavior regarding their `value` attribute, which is the value that will be sent on form submit if the checkbox is checked (defaults to `on`). The `value` attribute is not updated when the checkbox is checked or unchecked. For checkboxes, you should use `checkedLink` instead of `valueLink`:
+
+```
+<LinkedInput type="checkbox" checkedLink={this.linkState('booleanValue')} />
+```
--- a/addons/react-addons-linked-state-mixin/index.js
+++ b/addons/react-addons-linked-state-mixin/index.js
@@ -0,0 +1,156 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+/**
+ * ReactLink encapsulates a common pattern in which a component wants to modify
+ * a prop received from its parent. ReactLink allows the parent to pass down a
+ * value coupled with a callback that, when invoked, expresses an intent to
+ * modify that value. For example:
+ *
+ * React.createClass({
+ *   getInitialState: function() {
+ *     return {value: ''};
+ *   },
+ *   render: function() {
+ *     var valueLink = new ReactLink(this.state.value, this._handleValueChange);
+ *     return <input valueLink={valueLink} />;
+ *   },
+ *   _handleValueChange: function(newValue) {
+ *     this.setState({value: newValue});
+ *   }
+ * });
+ *
+ * We have provided some sugary mixins to make the creation and
+ * consumption of ReactLink easier; see LinkedValueUtils and LinkedStateMixin.
+ */
+
+/**
+ * Deprecated: An an easy way to express two-way binding with React.
+ * See https://facebook.github.io/react/docs/two-way-binding-helpers.html
+ *
+ * @param {*} value current value of the link
+ * @param {function} requestChange callback to request a change
+ */
+function ReactLink(value, requestChange) {
+  this.value = value;
+  this.requestChange = requestChange;
+}
+
+var ReactStateSetters = {
+  /**
+   * Returns a function that calls the provided function, and uses the result
+   * of that to set the component's state.
+   *
+   * @param {ReactCompositeComponent} component
+   * @param {function} funcReturningState Returned callback uses this to
+   *                                      determine how to update state.
+   * @return {function} callback that when invoked uses funcReturningState to
+   *                    determined the object literal to setState.
+   */
+  createStateSetter: function(component, funcReturningState) {
+    return function(a, b, c, d, e, f) {
+      var partialState = funcReturningState.call(component, a, b, c, d, e, f);
+      if (partialState) {
+        component.setState(partialState);
+      }
+    };
+  },
+
+  /**
+   * Returns a single-argument callback that can be used to update a single
+   * key in the component's state.
+   *
+   * Note: this is memoized function, which makes it inexpensive to call.
+   *
+   * @param {ReactCompositeComponent} component
+   * @param {string} key The key in the state that you should update.
+   * @return {function} callback of 1 argument which calls setState() with
+   *                    the provided keyName and callback argument.
+   */
+  createStateKeySetter: function(component, key) {
+    // Memoize the setters.
+    var cache = component.__keySetters || (component.__keySetters = {});
+    return cache[key] || (cache[key] = createStateKeySetter(component, key));
+  }
+};
+
+function createStateKeySetter(component, key) {
+  // Partial state is allocated outside of the function closure so it can be
+  // reused with every call, avoiding memory allocation when this function
+  // is called.
+  var partialState = {};
+  return function stateKeySetter(value) {
+    partialState[key] = value;
+    component.setState(partialState);
+  };
+}
+
+ReactStateSetters.Mixin = {
+  /**
+   * Returns a function that calls the provided function, and uses the result
+   * of that to set the component's state.
+   *
+   * For example, these statements are equivalent:
+   *
+   *   this.setState({x: 1});
+   *   this.createStateSetter(function(xValue) {
+   *     return {x: xValue};
+   *   })(1);
+   *
+   * @param {function} funcReturningState Returned callback uses this to
+   *                                      determine how to update state.
+   * @return {function} callback that when invoked uses funcReturningState to
+   *                    determined the object literal to setState.
+   */
+  createStateSetter: function(funcReturningState) {
+    return ReactStateSetters.createStateSetter(this, funcReturningState);
+  },
+
+  /**
+   * Returns a single-argument callback that can be used to update a single
+   * key in the component's state.
+   *
+   * For example, these statements are equivalent:
+   *
+   *   this.setState({x: 1});
+   *   this.createStateKeySetter('x')(1);
+   *
+   * Note: this is memoized function, which makes it inexpensive to call.
+   *
+   * @param {string} key The key in the state that you should update.
+   * @return {function} callback of 1 argument which calls setState() with
+   *                    the provided keyName and callback argument.
+   */
+  createStateKeySetter: function(key) {
+    return ReactStateSetters.createStateKeySetter(this, key);
+  }
+};
+
+/**
+ * A simple mixin around ReactLink.forState().
+ * See https://facebook.github.io/react/docs/two-way-binding-helpers.html
+ */
+var LinkedStateMixin = {
+  /**
+   * Create a ReactLink that's linked to part of this component's state. The
+   * ReactLink will have the current value of this.state[key] and will call
+   * setState() when a change is requested.
+   *
+   * @param {string} key state key to update.
+   * @return {ReactLink} ReactLink instance linking to the state.
+   */
+  linkState: function(key) {
+    return new ReactLink(
+      this.state[key],
+      ReactStateSetters.createStateKeySetter(this, key)
+    );
+  }
+};
+
+module.exports = LinkedStateMixin;
--- a/addons/react-addons-linked-state-mixin/package.json
+++ b/addons/react-addons-linked-state-mixin/package.json
@@ -0,0 +1,36 @@
+{
+  "name": "react-addons-linked-state-mixin",
+  "version": "15.6.2",
+  "main": "index.js",
+  "repository": "facebook/react",
+  "keywords": [
+    "react",
+    "react-addon"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "fbjs": "^0.8.4",
+    "object-assign": "^4.1.0"
+  },
+  "scripts": {
+    "test": "TEST_ENTRY=./index.js jest",
+    "build:dev": "NODE_ENV=development webpack && TEST_ENTRY=./react-addons-linked-state-mixin.js jest",
+    "build:prod": "NODE_ENV=production webpack && NODE_ENV=production TEST_ENTRY=./react-addons-linked-state-mixin.min.js jest",
+    "build": "npm run build:dev && npm run build:prod && node ../postbuild.js",
+    "prepublish": "npm test && npm run build"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "index.js",
+    "react-addons-linked-state-mixin.js",
+    "react-addons-linked-state-mixin.min.js"
+  ],
+  "devDependencies": {
+    "create-react-class": "^15.5.4",
+    "jest": "^19.0.2",
+    "react": "^15.5.4",
+    "react-dom": "^15.5.4",
+    "webpack": "^2.6.1"
+  }
+}
--- a/addons/react-addons-linked-state-mixin/test.js
+++ b/addons/react-addons-linked-state-mixin/test.js
@@ -0,0 +1,131 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+let LinkedStateMixin;
+let createReactClass;
+let React;
+let ReactDOM;
+let ReactTestUtils;
+
+// Catch stray warnings
+var env = jasmine.getEnv();
+var callCount = 0;
+var oldError = console.error;
+var newError = function() {
+  callCount++;
+  oldError.apply(this, arguments);
+};
+console.error = newError;
+env.beforeEach(() => {
+  callCount = 0;
+  jasmine.addMatchers({
+    toBeReset() {
+      return {
+        compare(actual) {
+          if (actual !== newError && !jasmine.isSpy(actual)) {
+            return {
+              pass: false,
+              message: 'Test did not tear down console.error mock properly.'
+            };
+          }
+          return {pass: true};
+        }
+      };
+    },
+    toNotHaveBeenCalled() {
+      return {
+        compare(actual) {
+          return {
+            pass: callCount === 0,
+            message:
+              'Expected test not to warn. If the warning is expected, mock ' +
+                "it out using spyOn(console, 'error'); and test that the " +
+                'warning occurs.'
+          };
+        }
+      };
+    }
+  });
+});
+env.afterEach(() => {
+  expect(console.error).toBeReset();
+  expect(console.error).toNotHaveBeenCalled();
+});
+
+describe('LinkedStateMixin', () => {
+  beforeEach(() => {
+    jest.resetModules();
+
+    createReactClass = require('create-react-class');
+    React = require('react');
+    ReactDOM = require('react-dom');
+    ReactTestUtils = require('react-dom/test-utils');
+    LinkedStateMixin = require(process.env.TEST_ENTRY);
+  });
+
+  // https://facebook.github.io/react/docs/two-way-binding-helpers.html#linkedstatemixin-before-and-after
+  it('should work with valueLink', () => {
+    spyOn(console, 'error'); // Ignore deprecated valueLink message for now
+
+    const WithLink = createReactClass({
+      mixins: [LinkedStateMixin],
+      getInitialState: function() {
+        return {message: 'Hello!'};
+      },
+      render: function() {
+        return <input type="text" valueLink={this.linkState('message')} />;
+      }
+    });
+
+    const instance = ReactTestUtils.renderIntoDocument(
+      React.createElement(WithLink)
+    );
+
+    expect(instance.state.message).toBe('Hello!');
+
+    const node = ReactDOM.findDOMNode(instance);
+    node.value = 'Goodbye!';
+    ReactTestUtils.Simulate.change(node);
+
+    expect(instance.state.message).toBe('Goodbye!');
+  });
+
+  // https://facebook.github.io/react/docs/two-way-binding-helpers.html#linkedstatemixin-without-valuelink
+  it('should work without valueLink', () => {
+    const WithoutLink = createReactClass({
+      mixins: [LinkedStateMixin],
+      getInitialState: function() {
+        return {message: 'Hello!'};
+      },
+      render: function() {
+        var valueLink = this.linkState('message');
+        var handleChange = function(e) {
+          valueLink.requestChange(e.target.value);
+        };
+        return (
+          <input type="text" value={valueLink.value} onChange={handleChange} />
+        );
+      }
+    });
+
+    const instance = ReactTestUtils.renderIntoDocument(
+      React.createElement(WithoutLink)
+    );
+
+    expect(instance.state.message).toBe('Hello!');
+
+    const node = ReactDOM.findDOMNode(instance);
+    node.value = 'Goodbye!';
+    ReactTestUtils.Simulate.change(node);
+
+    expect(instance.state.message).toBe('Goodbye!');
+  });
+});
--- a/addons/react-addons-linked-state-mixin/webpack.config.js
+++ b/addons/react-addons-linked-state-mixin/webpack.config.js
@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+const webpack = require('webpack');
+
+let __DEV__;
+switch (process.env.NODE_ENV) {
+  case 'development':
+    __DEV__ = true;
+    break;
+  case 'production':
+    __DEV__ = false;
+    break;
+  default:
+    throw new Error('Unknown environment.');
+}
+
+module.exports = {
+  entry: './index',
+  output: {
+    library: 'LinkedStateMixin',
+    libraryTarget: 'umd',
+    filename: __DEV__
+      ? 'react-addons-linked-state-mixin.js'
+      : 'react-addons-linked-state-mixin.min.js'
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env.NODE_ENV': __DEV__ ? '"development"' : '"production"'
+    })
+  ].concat(
+    __DEV__
+      ? []
+      : [
+          new webpack.optimize.UglifyJsPlugin({
+            compress: {
+              warnings: false
+            },
+            output: {
+              comments: false
+            }
+          })
+        ]
+  )
+};
--- a/addons/react-addons-linked-state-mixin/yarn.lock
+++ b/addons/react-addons-linked-state-mixin/yarn.lock
--- a/addons/react-addons-pure-render-mixin/.gitignore
+++ b/addons/react-addons-pure-render-mixin/.gitignore
@@ -0,0 +1,2 @@
+react-addons-pure-render-mixin.js
+react-addons-pure-render-mixin.min.js
--- a/addons/react-addons-pure-render-mixin/LICENSE
+++ b/addons/react-addons-pure-render-mixin/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013-present, Facebook, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/addons/react-addons-pure-render-mixin/README.md
+++ b/addons/react-addons-pure-render-mixin/README.md
@@ -0,0 +1,52 @@
+# react-addons-pure-render-mixin
+
+>**Note:**
+>This is a legacy React addon, and is no longer maintained.
+>
+>We don't encourage using it in new code, but it exists for backwards compatibility.  
+>The recommended migration path is to use [`React.PureComponent`](https://facebook.github.io/react/docs/react-api.html#react.purecomponent) instead.
+
+**Importing**
+
+```javascript
+import PureRenderMixin from 'react-addons-pure-render-mixin'; // ES6
+var PureRenderMixin = require('react-addons-pure-render-mixin'); // ES5 with npm
+```
+
+If you prefer a `<script>` tag, you can get it from `React.addons.PureRenderMixin` with:
+
+```html
+<!-- development version -->
+<script src="https://unpkg.com/react-addons-pure-render-mixin/react-addons-pure-render-mixin.js"></script>
+
+<!-- production version -->
+<script src="https://unpkg.com/react-addons-pure-render-mixin/react-addons-pure-render-mixin.min.js"></script>
+```
+
+In this case, make sure to put the `<script>` tag after React.
+
+## Overview
+
+If your React component's render function renders the same result given the same props and state, you can use this mixin for a performance boost in some cases.
+
+Example:
+
+```js
+const createReactClass = require('create-react-class');
+
+createReactClass({
+  mixins: [PureRenderMixin],
+
+  render: function() {
+    return <div className={this.props.className}>foo</div>;
+  }
+});
+```
+
+Under the hood, the mixin implements [shouldComponentUpdate](https://facebook.github.io/react/docs/component-specs.html#updating-shouldcomponentupdate), in which it compares the current props and state with the next ones and returns `false` if the equalities pass.
+
+> Note:
+>
+> This only shallowly compares the objects. If these contain complex data structures, it may produce false-negatives for deeper differences. Only mix into components which have simple props and state, or use `forceUpdate()` when you know deep data structures have changed. Or, consider using [immutable objects](https://facebook.github.io/immutable-js/) to facilitate fast comparisons of nested data.
+>
+> Furthermore, `shouldComponentUpdate` skips updates for the whole component subtree. Make sure all the children components are also "pure".
--- a/addons/react-addons-pure-render-mixin/index.js
+++ b/addons/react-addons-pure-render-mixin/index.js
@@ -0,0 +1,20 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ */
+
+'use strict';
+
+var shallowEqual = require('fbjs/lib/shallowEqual');
+
+module.exports = {
+  shouldComponentUpdate: function(nextProps, nextState) {
+    return (
+      !shallowEqual(this.props, nextProps) ||
+      !shallowEqual(this.state, nextState)
+    );
+  }
+};
--- a/addons/react-addons-pure-render-mixin/package.json
+++ b/addons/react-addons-pure-render-mixin/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "react-addons-pure-render-mixin",
+  "version": "15.6.2",
+  "main": "index.js",
+  "repository": "facebook/react",
+  "keywords": [
+    "react",
+    "react-addon"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "fbjs": "^0.8.4",
+    "object-assign": "^4.1.0"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "index.js",
+    "react-addons-pure-render-mixin.js",
+    "react-addons-pure-render-mixin.min.js"
+  ],
+  "scripts": {
+    "test": "TEST_ENTRY=./index.js jest",
+    "build:dev": "NODE_ENV=development webpack && TEST_ENTRY=./react-addons-pure-render-mixin.js jest",
+    "build:prod": "NODE_ENV=production webpack && NODE_ENV=production TEST_ENTRY=./react-addons-pure-render-mixin.min.js jest",
+    "build": "npm run build:dev && npm run build:prod && node ../postbuild.js",
+    "prepublish": "npm test && npm run build"
+  },
+  "devDependencies": {
+    "jest": "^19.0.2",
+    "react": "^15.4.2",
+    "react-dom": "^15.4.2",
+    "webpack": "^2.6.1"
+  }
+}
--- a/addons/react-addons-pure-render-mixin/test.js
+++ b/addons/react-addons-pure-render-mixin/test.js
@@ -0,0 +1,188 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+var React;
+var ReactDOM;
+var ReactComponentWithPureRenderMixin;
+
+// Catch stray warnings
+var env = jasmine.getEnv();
+var callCount = 0;
+var oldError = console.error;
+var newError = function() {
+  callCount++;
+  oldError.apply(this, arguments);
+};
+console.error = newError;
+env.beforeEach(() => {
+  callCount = 0;
+  jasmine.addMatchers({
+    toBeReset() {
+      return {
+        compare(actual) {
+          if (actual !== newError && !jasmine.isSpy(actual)) {
+            return {
+              pass: false,
+              message: 'Test did not tear down console.error mock properly.'
+            };
+          }
+          return {pass: true};
+        }
+      };
+    },
+    toNotHaveBeenCalled() {
+      return {
+        compare(actual) {
+          return {
+            pass: callCount === 0,
+            message:
+              'Expected test not to warn. If the warning is expected, mock ' +
+                "it out using spyOn(console, 'error'); and test that the " +
+                'warning occurs.'
+          };
+        }
+      };
+    }
+  });
+});
+env.afterEach(() => {
+  expect(console.error).toBeReset();
+  expect(console.error).toNotHaveBeenCalled();
+});
+
+function renderIntoDocument(element) {
+  var node = document.createElement('div');
+  return ReactDOM.render(element, node);
+}
+
+describe('PureRenderMixin', () => {
+  beforeEach(() => {
+    React = require('react');
+    ReactDOM = require('react-dom');
+    ReactComponentWithPureRenderMixin = require(process.env.TEST_ENTRY);
+  });
+
+  it('provides a default shouldComponentUpdate implementation', () => {
+    var renderCalls = 0;
+    class PlasticWrap extends React.Component {
+      constructor(props, context) {
+        super(props, context);
+        this.state = {
+          color: 'green'
+        };
+      }
+
+      render() {
+        return React.createElement(Apple, {
+          color: this.state.color,
+          ref: 'apple'
+        });
+      }
+    }
+
+    var Apple = React.createClass({
+      mixins: [ReactComponentWithPureRenderMixin],
+
+      getInitialState: function() {
+        return {
+          cut: false,
+          slices: 1
+        };
+      },
+
+      cut: function() {
+        this.setState({
+          cut: true,
+          slices: 10
+        });
+      },
+
+      eatSlice: function() {
+        this.setState({
+          slices: this.state.slices - 1
+        });
+      },
+
+      render: function() {
+        renderCalls++;
+        return React.createElement('div');
+      }
+    });
+
+    var instance = renderIntoDocument(React.createElement(PlasticWrap));
+    expect(renderCalls).toBe(1);
+
+    // Do not re-render based on props
+    instance.setState({color: 'green'});
+    expect(renderCalls).toBe(1);
+
+    // Re-render based on props
+    instance.setState({color: 'red'});
+    expect(renderCalls).toBe(2);
+
+    // Re-render base on state
+    instance.refs.apple.cut();
+    expect(renderCalls).toBe(3);
+
+    // No re-render based on state
+    instance.refs.apple.cut();
+    expect(renderCalls).toBe(3);
+
+    // Re-render based on state again
+    instance.refs.apple.eatSlice();
+    expect(renderCalls).toBe(4);
+  });
+
+  it('does not do a deep comparison', () => {
+    function getInitialState() {
+      return {
+        foo: [1, 2, 3],
+        bar: {a: 4, b: 5, c: 6}
+      };
+    }
+
+    var renderCalls = 0;
+    var initialSettings = getInitialState();
+
+    var Component = React.createClass({
+      mixins: [ReactComponentWithPureRenderMixin],
+
+      getInitialState: function() {
+        return initialSettings;
+      },
+
+      render: function() {
+        renderCalls++;
+        return React.createElement('div');
+      }
+    });
+
+    var instance = renderIntoDocument(React.createElement(Component));
+    expect(renderCalls).toBe(1);
+
+    // Do not re-render if state is equal
+    var settings = {
+      foo: initialSettings.foo,
+      bar: initialSettings.bar
+    };
+    instance.setState(settings);
+    expect(renderCalls).toBe(1);
+
+    // Re-render because one field changed
+    initialSettings.foo = [1, 2, 3];
+    instance.setState(initialSettings);
+    expect(renderCalls).toBe(2);
+
+    // Re-render because the object changed
+    instance.setState(getInitialState());
+    expect(renderCalls).toBe(3);
+  });
+});
--- a/addons/react-addons-pure-render-mixin/webpack.config.js
+++ b/addons/react-addons-pure-render-mixin/webpack.config.js
@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+const webpack = require('webpack');
+
+let __DEV__;
+switch (process.env.NODE_ENV) {
+  case 'development':
+    __DEV__ = true;
+    break;
+  case 'production':
+    __DEV__ = false;
+    break;
+  default:
+    throw new Error('Unknown environment.');
+}
+
+module.exports = {
+  entry: './index',
+  output: {
+    library: 'PureRenderMixin',
+    libraryTarget: 'umd',
+    filename: __DEV__
+      ? 'react-addons-pure-render-mixin.js'
+      : 'react-addons-pure-render-mixin.min.js'
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env.NODE_ENV': __DEV__ ? '"development"' : '"production"'
+    })
+  ].concat(
+    __DEV__
+      ? []
+      : [
+          new webpack.optimize.UglifyJsPlugin({
+            compress: {
+              warnings: false
+            },
+            output: {
+              comments: false
+            }
+          })
+        ]
+  )
+};
--- a/addons/react-addons-pure-render-mixin/yarn.lock
+++ b/addons/react-addons-pure-render-mixin/yarn.lock
--- a/addons/react-addons-shallow-compare/.gitignore
+++ b/addons/react-addons-shallow-compare/.gitignore
@@ -0,0 +1,2 @@
+react-addons-shallow-compare.js
+react-addons-shallow-compare.min.js
--- a/addons/react-addons-shallow-compare/LICENSE
+++ b/addons/react-addons-shallow-compare/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013-present, Facebook, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/addons/react-addons-shallow-compare/README.md
+++ b/addons/react-addons-shallow-compare/README.md
@@ -0,0 +1,53 @@
+# react-addons-shallow-compare
+
+>**Note:**
+>This is a legacy React addon, and is no longer maintained.
+>
+>We don't encourage using it in new code, but it exists for backwards compatibility.  
+>The recommended migration path is to use [`React.PureComponent`](https://facebook.github.io/react/docs/react-api.html#react.purecomponent) instead.
+
+**Importing**
+
+```javascript
+import shallowCompare from 'react-addons-shallow-compare'; // ES6
+var shallowCompare = require('react-addons-shallow-compare'); // ES5 with npm
+```
+
+If you prefer a `<script>` tag, you can get it from `React.addons.shallowCompare` with:
+
+```html
+<!-- development version -->
+<script src="https://unpkg.com/react-addons-shallow-compare/react-addons-shallow-compare.js"></script>
+
+<!-- production version -->
+<script src="https://unpkg.com/react-addons-shallow-compare/react-addons-shallow-compare.min.js"></script>
+```
+
+In this case, make sure to put the `<script>` tag after React.
+
+
+## Overview
+
+Before [`React.PureComponent`](https://facebook.github.io/react/docs/react-api.html#react.purecomponent) was introduced, `shallowCompare` was commonly used to achieve the same functionality as [`PureRenderMixin`](https://www.npmjs.com/package/react-addons-pure-render-mixin) while using ES6 classes with React.
+
+If your React component's render function is "pure" (in other words, it renders the same result given the same props and state), you can use this helper function for a performance boost in some cases.
+
+Example:
+
+```js
+export class SampleComponent extends React.Component {
+  shouldComponentUpdate(nextProps, nextState) {
+    return shallowCompare(this, nextProps, nextState);
+  }
+
+  render() {
+    return <div className={this.props.className}>foo</div>;
+  }
+}
+```
+
+`shallowCompare` performs a shallow equality check on the current `props` and `nextProps` objects as well as the current `state` and `nextState` objects.  
+It does this by iterating on the keys of the objects being compared and returning true when the values of a key in each object are not strictly equal.
+
+`shallowCompare` returns `true` if the shallow comparison for props or state fails and therefore the component should update.  
+`shallowCompare` returns `false` if the shallow comparison for props and state both pass and therefore the component does not need to update.
--- a/addons/react-addons-shallow-compare/index.js
+++ b/addons/react-addons-shallow-compare/index.js
@@ -0,0 +1,26 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @providesModule shallowCompare
+ */
+
+'use strict';
+
+var shallowEqual = require('fbjs/lib/shallowEqual');
+
+/**
+ * Does a shallow comparison for props and state.
+ * See ReactComponentWithPureRenderMixin
+ * See also https://facebook.github.io/react/docs/shallow-compare.html
+ */
+function shallowCompare(instance, nextProps, nextState) {
+  return (
+    !shallowEqual(instance.props, nextProps) ||
+    !shallowEqual(instance.state, nextState)
+  );
+}
+
+module.exports = shallowCompare;
--- a/addons/react-addons-shallow-compare/package.json
+++ b/addons/react-addons-shallow-compare/package.json
@@ -0,0 +1,35 @@
+{
+  "name": "react-addons-shallow-compare",
+  "version": "15.6.2",
+  "main": "index.js",
+  "repository": "facebook/react",
+  "keywords": [
+    "react",
+    "react-addon"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "fbjs": "^0.8.4",
+    "object-assign": "^4.1.0"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "index.js",
+    "react-addons-shallow-compare.js",
+    "react-addons-shallow-compare.min.js"
+  ],
+  "scripts": {
+    "test": "TEST_ENTRY=./index.js jest",
+    "build:dev": "NODE_ENV=development webpack && TEST_ENTRY=./react-addons-shallow-compare.js jest",
+    "build:prod": "NODE_ENV=production webpack && NODE_ENV=production TEST_ENTRY=./react-addons-shallow-compare.min.js jest",
+    "build": "npm run build:dev && npm run build:prod && node ../postbuild.js",
+    "prepublish": "npm test && npm run build"
+  },
+  "devDependencies": {
+    "jest": "^19.0.2",
+    "react": "^15.4.2",
+    "react-dom": "^15.4.2",
+    "webpack": "^2.6.1"
+  }
+}
--- a/addons/react-addons-shallow-compare/test.js
+++ b/addons/react-addons-shallow-compare/test.js
@@ -0,0 +1,269 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+var React;
+var ReactDOM;
+var shallowCompare;
+
+// Catch stray warnings
+var env = jasmine.getEnv();
+var callCount = 0;
+var oldError = console.error;
+var newError = function() {
+  callCount++;
+  oldError.apply(this, arguments);
+};
+console.error = newError;
+env.beforeEach(() => {
+  callCount = 0;
+  jasmine.addMatchers({
+    toBeReset() {
+      return {
+        compare(actual) {
+          if (actual !== newError && !jasmine.isSpy(actual)) {
+            return {
+              pass: false,
+              message: 'Test did not tear down console.error mock properly.'
+            };
+          }
+          return {pass: true};
+        }
+      };
+    },
+    toNotHaveBeenCalled() {
+      return {
+        compare(actual) {
+          return {
+            pass: callCount === 0,
+            message:
+              'Expected test not to warn. If the warning is expected, mock ' +
+                "it out using spyOn(console, 'error'); and test that the " +
+                'warning occurs.'
+          };
+        }
+      };
+    }
+  });
+});
+env.afterEach(() => {
+  expect(console.error).toBeReset();
+  expect(console.error).toNotHaveBeenCalled();
+});
+
+function renderIntoDocument(element) {
+  var node = document.createElement('div');
+  return ReactDOM.render(element, node);
+}
+
+// Tests adapted from ReactComponentWithPureRendererMixin and ReactPureComponent tests
+describe('shallowCompare', () => {
+  beforeEach(() => {
+    React = require('react');
+    ReactDOM = require('react-dom');
+    shallowCompare = require(process.env.TEST_ENTRY);
+  });
+
+  it('should render', () => {
+    var renders = 0;
+    class Component extends React.Component {
+      constructor() {
+        super();
+        this.state = {type: 'mushrooms'};
+      }
+      render() {
+        renders++;
+        return React.createElement('div', null, this.props.text[0]);
+      }
+      shouldComponentUpdate(nextProps, nextState) {
+        return shallowCompare(this, nextProps, nextState);
+      }
+    }
+
+    var container = document.createElement('div');
+    var text;
+    var component;
+
+    text = ['porcini'];
+    component = ReactDOM.render(
+      React.createElement(Component, {text}),
+      container
+    );
+    expect(container.textContent).toBe('porcini');
+    expect(renders).toBe(1);
+
+    text = ['morel'];
+    component = ReactDOM.render(
+      React.createElement(Component, {text}),
+      container
+    );
+    expect(container.textContent).toBe('morel');
+    expect(renders).toBe(2);
+
+    text[0] = 'portobello';
+    component = ReactDOM.render(
+      React.createElement(Component, {text}),
+      container
+    );
+    expect(container.textContent).toBe('morel');
+    expect(renders).toBe(2);
+
+    // Setting state without changing it doesn't cause a rerender.
+    component.setState({type: 'mushrooms'});
+    expect(container.textContent).toBe('morel');
+    expect(renders).toBe(2);
+
+    // But changing state does.
+    component.setState({type: 'portobello mushrooms'});
+    expect(container.textContent).toBe('portobello');
+    expect(renders).toBe(3);
+  });
+
+  it('can override shouldComponentUpdate', () => {
+    var renders = 0;
+    class Component extends React.PureComponent {
+      render() {
+        renders++;
+        return React.createElement('div');
+      }
+      shouldComponentUpdate() {
+        return true;
+      }
+    }
+    var container = document.createElement('div');
+    ReactDOM.render(React.createElement(Component), container);
+    ReactDOM.render(React.createElement(Component), container);
+    expect(renders).toBe(2);
+  });
+
+  it('provides a default shouldComponentUpdate implementation', () => {
+    var renderCalls = 0;
+    class PlasticWrap extends React.Component {
+      constructor(props, context) {
+        super(props, context);
+        this.state = {
+          color: 'green'
+        };
+      }
+
+      shouldComponentUpdate(nextProps, nextState) {
+        return shallowCompare(this, nextProps, nextState);
+      }
+
+      render() {
+        return React.createElement(Apple, {
+          color: this.state.color,
+          ref: 'apple'
+        });
+      }
+    }
+
+    var Apple = React.createClass({
+      getInitialState: function() {
+        return {
+          cut: false,
+          slices: 1
+        };
+      },
+
+      cut: function() {
+        this.setState({
+          cut: true,
+          slices: 10
+        });
+      },
+
+      eatSlice: function() {
+        this.setState({
+          slices: this.state.slices - 1
+        });
+      },
+
+      shouldComponentUpdate(nextProps, nextState) {
+        return shallowCompare(this, nextProps, nextState);
+      },
+
+      render: function() {
+        renderCalls++;
+        return React.createElement('div');
+      }
+    });
+
+    var instance = renderIntoDocument(React.createElement(PlasticWrap));
+    expect(renderCalls).toBe(1);
+
+    // Do not re-render based on props
+    instance.setState({color: 'green'});
+    expect(renderCalls).toBe(1);
+
+    // Re-render based on props
+    instance.setState({color: 'red'});
+    expect(renderCalls).toBe(2);
+
+    // Re-render base on state
+    instance.refs.apple.cut();
+    expect(renderCalls).toBe(3);
+
+    // No re-render based on state
+    instance.refs.apple.cut();
+    expect(renderCalls).toBe(3);
+
+    // Re-render based on state again
+    instance.refs.apple.eatSlice();
+    expect(renderCalls).toBe(4);
+  });
+
+  it('does not do a deep comparison', () => {
+    function getInitialState() {
+      return {
+        foo: [1, 2, 3],
+        bar: {a: 4, b: 5, c: 6}
+      };
+    }
+
+    var renderCalls = 0;
+    var initialSettings = getInitialState();
+
+    var Component = React.createClass({
+      shouldComponentUpdate(nextProps, nextState) {
+        return shallowCompare(this, nextProps, nextState);
+      },
+
+      getInitialState: function() {
+        return initialSettings;
+      },
+
+      render: function() {
+        renderCalls++;
+        return React.createElement('div');
+      }
+    });
+
+    var instance = renderIntoDocument(React.createElement(Component));
+    expect(renderCalls).toBe(1);
+
+    // Do not re-render if state is equal
+    var settings = {
+      foo: initialSettings.foo,
+      bar: initialSettings.bar
+    };
+    instance.setState(settings);
+    expect(renderCalls).toBe(1);
+
+    // Re-render because one field changed
+    initialSettings.foo = [1, 2, 3];
+    instance.setState(initialSettings);
+    expect(renderCalls).toBe(2);
+
+    // Re-render because the object changed
+    instance.setState(getInitialState());
+    expect(renderCalls).toBe(3);
+  });
+});
--- a/addons/react-addons-shallow-compare/webpack.config.js
+++ b/addons/react-addons-shallow-compare/webpack.config.js
@@ -0,0 +1,53 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+const webpack = require('webpack');
+
+let __DEV__;
+switch (process.env.NODE_ENV) {
+  case 'development':
+    __DEV__ = true;
+    break;
+  case 'production':
+    __DEV__ = false;
+    break;
+  default:
+    throw new Error('Unknown environment.');
+}
+
+module.exports = {
+  entry: './index',
+  output: {
+    library: 'shallowCompare',
+    libraryTarget: 'umd',
+    filename: __DEV__
+      ? 'react-addons-shallow-compare.js'
+      : 'react-addons-shallow-compare.min.js'
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env.NODE_ENV': __DEV__ ? '"development"' : '"production"'
+    })
+  ].concat(
+    __DEV__
+      ? []
+      : [
+          new webpack.optimize.UglifyJsPlugin({
+            compress: {
+              warnings: false
+            },
+            output: {
+              comments: false
+            }
+          })
+        ]
+  )
+};
--- a/addons/react-addons-shallow-compare/yarn.lock
+++ b/addons/react-addons-shallow-compare/yarn.lock
--- a/addons/react-addons-test-utils/LICENSE
+++ b/addons/react-addons-test-utils/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013-present, Facebook, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/addons/react-addons-test-utils/README.md
+++ b/addons/react-addons-test-utils/README.md
@@ -0,0 +1,9 @@
+# react-addons-test-utils
+
+This package provides the React TestUtils add-on.
+
+See <https://facebook.github.io/react/docs/test-utils.html> for more information.
+
+This package is deprecated as of version 15.5.0:
+* TestUtils have been moved to `react-dom/test-utils`
+* Shallow renderer has been moved to `react-test-renderer/shallow`
--- a/addons/react-addons-test-utils/index.js
+++ b/addons/react-addons-test-utils/index.js
@@ -0,0 +1,73 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+var lowPriorityWarning = function lowPriorityWarning() {};
+
+if (process.env.NODE_ENV !== 'production') {
+  var printWarning = function(format) {
+    for (
+      var _len = arguments.length,
+        args = Array(_len > 1 ? _len - 1 : 0),
+        _key = 1;
+      _key < _len;
+      _key++
+    ) {
+      args[_key - 1] = arguments[_key];
+    }
+
+    var argIndex = 0;
+    var message =
+      'Warning: ' +
+      format.replace(/%s/g, function() {
+        return args[argIndex++];
+      });
+    if (typeof console !== 'undefined') {
+      console.warn(message);
+    }
+    try {
+      // --- Welcome to debugging React ---
+      // This error was thrown as a convenience so that you can use this stack
+      // to find the callsite that caused this warning to fire.
+      throw new Error(message);
+    } catch (x) {}
+  };
+
+  lowPriorityWarning = function(condition, format) {
+    if (format === undefined) {
+      throw new Error(
+        '`warning(condition, format, ...args)` requires a warning ' +
+          'message argument'
+      );
+    }
+    if (!condition) {
+      for (
+        var _len2 = arguments.length,
+          args = Array(_len2 > 2 ? _len2 - 2 : 0),
+          _key2 = 2;
+        _key2 < _len2;
+        _key2++
+      ) {
+        args[_key2 - 2] = arguments[_key2];
+      }
+
+      printWarning.apply(undefined, [format].concat(args));
+    }
+  };
+}
+
+// This package has been deprecated in NPM as of version 15.5.0
+// But NPM deprecation warnings are easy to overlook
+// So a more explicit runtime warning seemed appropriate
+lowPriorityWarning(
+  false,
+  'ReactTestUtils has been moved to react-dom/test-utils. ' +
+    'Update references to remove this warning.'
+);
+
+module.exports = require('react-dom/lib/ReactTestUtils');
--- a/addons/react-addons-test-utils/package.json
+++ b/addons/react-addons-test-utils/package.json
@@ -0,0 +1,28 @@
+{
+  "name": "react-addons-test-utils",
+  "version": "15.6.2",
+  "main": "index.js",
+  "repository": "facebook/react",
+  "keywords": [
+    "react",
+    "react-addon"
+  ],
+  "license": "MIT",
+  "peerDependencies": {
+    "react-dom": "^15.4.2"
+  },
+  "scripts": {
+    "test": "jest",
+    "prepublish": "npm test"
+  },
+  "devDependencies": {
+    "jest": "^19.0.2",
+    "react": "^15.4.2",
+    "react-dom": "^15.4.2"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "index.js"
+  ]
+}
--- a/addons/react-addons-test-utils/test.js
+++ b/addons/react-addons-test-utils/test.js
@@ -0,0 +1,56 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+describe('ReactTestUtils', function() {
+  let React;
+
+  beforeEach(function() {
+    spyOn(console, 'warn');
+    React = require('react');
+  });
+
+  it('should warn on include', function() {
+    require('./index');
+    expect(console.warn).toHaveBeenCalledWith(
+      'Warning: ReactTestUtils has been moved to react-dom/test-utils. ' +
+        'Update references to remove this warning.'
+    );
+  });
+
+  it('should pass a basic smoke test', function() {
+    const ReactTestUtils = require('./index');
+    const onClick = jest.fn();
+
+    class MyComponent extends React.Component {
+      constructor(props, context) {
+        super(props, context);
+        this.state = {bar: 123};
+      }
+      render() {
+        return <div onClick={onClick}>{this.props.baz}</div>;
+      }
+    }
+
+    const instance = ReactTestUtils.renderIntoDocument(
+      <MyComponent baz="abc" />
+    );
+
+    expect(instance.state.bar).toBe(123);
+    expect(instance.props.baz).toBe('abc');
+
+    const div = ReactTestUtils.findRenderedDOMComponentWithTag(instance, 'div');
+    expect(div.textContent).toBe('abc');
+
+    expect(onClick).not.toHaveBeenCalled();
+    ReactTestUtils.Simulate.click(div);
+    expect(onClick).toHaveBeenCalled();
+  });
+});
--- a/addons/react-addons-test-utils/yarn.lock
+++ b/addons/react-addons-test-utils/yarn.lock
--- a/addons/react-addons-transition-group/LICENSE
+++ b/addons/react-addons-transition-group/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013-present, Facebook, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/addons/react-addons-transition-group/README.md
+++ b/addons/react-addons-transition-group/README.md
@@ -0,0 +1,17 @@
+# react-addons-transition-group
+
+The code in this package has moved. We recommend you to use `TransitionGroup` from [`react-transition-group`](https://github.com/reactjs/react-transition-group) instead.
+
+In particular, its version `1.x` is a drop-in replacement for the last released version of `react-addons-transition-group`.
+
+Run `npm install --save react-transition-group@1.x`, and replace the imports in your code:
+
+```js
+// Old
+import TransitionGroup from 'react-addons-transition-group';
+
+// New
+import TransitionGroup from 'react-transition-group/TransitionGroup';
+```
+
+The documentation branch for `react-transition-group@1.x` [can be found here](https://github.com/reactjs/react-transition-group/tree/v1-stable#low-level-api-transitiongroup).
--- a/addons/react-addons-transition-group/index.js
+++ b/addons/react-addons-transition-group/index.js
@@ -0,0 +1,10 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+module.exports = require('react-transition-group/TransitionGroup');
--- a/addons/react-addons-transition-group/package.json
+++ b/addons/react-addons-transition-group/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "react-addons-transition-group",
+  "version": "15.6.2",
+  "main": "index.js",
+  "repository": "facebook/react",
+  "keywords": [
+    "react",
+    "react-addon"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "react-transition-group": "^1.2.0"
+  },
+  "peerDependencies": {
+    "react": "^15.4.2"
+  },
+  "scripts": {
+    "prepublish": ":"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "index.js"
+  ]
+}
--- a/addons/react-addons-transition-group/yarn.lock
+++ b/addons/react-addons-transition-group/yarn.lock
@@ -0,0 +1,114 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+asap@~2.0.3:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/asap/-/asap-2.0.5.tgz#522765b50c3510490e52d7dcfe085ef9ba96958f"
+
+chain-function@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/chain-function/-/chain-function-1.0.0.tgz#0d4ab37e7e18ead0bdc47b920764118ce58733dc"
+
+core-js@^1.0.0:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
+
+dom-helpers@^3.2.0:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/dom-helpers/-/dom-helpers-3.2.1.tgz#3203e07fed217bd1f424b019735582fc37b2825a"
+
+encoding@^0.1.11:
+  version "0.1.12"
+  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
+  dependencies:
+    iconv-lite "~0.4.13"
+
+fbjs@^0.8.9:
+  version "0.8.12"
+  resolved "https://registry.yarnpkg.com/fbjs/-/fbjs-0.8.12.tgz#10b5d92f76d45575fd63a217d4ea02bea2f8ed04"
+  dependencies:
+    core-js "^1.0.0"
+    isomorphic-fetch "^2.1.1"
+    loose-envify "^1.0.0"
+    object-assign "^4.1.0"
+    promise "^7.1.1"
+    setimmediate "^1.0.5"
+    ua-parser-js "^0.7.9"
+
+iconv-lite@~0.4.13:
+  version "0.4.17"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.17.tgz#4fdaa3b38acbc2c031b045d0edcdfe1ecab18c8d"
+
+is-stream@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
+
+isomorphic-fetch@^2.1.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/isomorphic-fetch/-/isomorphic-fetch-2.2.1.tgz#611ae1acf14f5e81f729507472819fe9733558a9"
+  dependencies:
+    node-fetch "^1.0.1"
+    whatwg-fetch ">=0.10.0"
+
+js-tokens@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.1.tgz#08e9f132484a2c45a30907e9dc4d5567b7f114d7"
+
+loose-envify@^1.0.0, loose-envify@^1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.3.1.tgz#d1a8ad33fa9ce0e713d65fdd0ac8b748d478c848"
+  dependencies:
+    js-tokens "^3.0.0"
+
+node-fetch@^1.0.1:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.1.tgz#899cb3d0a3c92f952c47f1b876f4c8aeabd400d5"
+  dependencies:
+    encoding "^0.1.11"
+    is-stream "^1.0.1"
+
+object-assign@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+
+promise@^7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/promise/-/promise-7.1.1.tgz#489654c692616b8aa55b0724fa809bb7db49c5bf"
+  dependencies:
+    asap "~2.0.3"
+
+prop-types@^15.5.6:
+  version "15.5.10"
+  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.5.10.tgz#2797dfc3126182e3a95e3dfbb2e893ddd7456154"
+  dependencies:
+    fbjs "^0.8.9"
+    loose-envify "^1.3.1"
+
+react-transition-group@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/react-transition-group/-/react-transition-group-1.2.0.tgz#b51fc921b0c3835a7ef7c571c79fc82c73e9204f"
+  dependencies:
+    chain-function "^1.0.0"
+    dom-helpers "^3.2.0"
+    loose-envify "^1.3.1"
+    prop-types "^15.5.6"
+    warning "^3.0.0"
+
+setimmediate@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
+
+ua-parser-js@^0.7.9:
+  version "0.7.12"
+  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.12.tgz#04c81a99bdd5dc52263ea29d24c6bf8d4818a4bb"
+
+warning@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/warning/-/warning-3.0.0.tgz#32e5377cb572de4ab04753bdf8821c01ed605b7c"
+  dependencies:
+    loose-envify "^1.0.0"
+
+whatwg-fetch@>=0.10.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
--- a/addons/react-addons-update/.gitignore
+++ b/addons/react-addons-update/.gitignore
@@ -0,0 +1,2 @@
+react-addons-update.js
+react-addons-update.min.js
--- a/addons/react-addons-update/LICENSE.txt
+++ b/addons/react-addons-update/LICENSE.txt
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013-present, Facebook, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/addons/react-addons-update/README.md
+++ b/addons/react-addons-update/README.md
@@ -0,0 +1,125 @@
+# react-addons-update
+
+>**Note:**
+>This is a legacy React addon, and is no longer maintained.
+>
+>We don't encourage using it in new code, but it exists for backwards compatibility.  
+>The recommended migration path is to use [`immutability-helper`](https://github.com/kolodny/immutability-helper). Its version `1.0.0` is a drop-in replacement.
+
+**Importing**
+
+```javascript
+import update from 'react-addons-update'; // ES6
+var update = require('react-addons-update'); // ES5 with npm
+```
+
+If you prefer a `<script>` tag, you can get it from `React.addons.update` with:
+
+```html
+<!-- development version -->
+<script src="https://unpkg.com/react-addons-update/react-addons-update.js"></script>
+
+<!-- production version -->
+<script src="https://unpkg.com/react-addons-update/react-addons-update.min.js"></script>
+```
+
+In this case, make sure to put the `<script>` tag after React.
+
+## Overview
+
+React lets you use whatever style of data management you want, including mutation. However, if you can use immutable data in performance-critical parts of your application it's easy to implement a fast [`shouldComponentUpdate()`](https://facebook.github.io/react/docs/react-component.html#shouldcomponentupdate) method to significantly speed up your app.
+
+Dealing with immutable data in JavaScript is more difficult than in languages designed for it, like [Clojure](http://clojure.org/). However, we've provided a simple immutability helper, `update()`, that makes dealing with this type of data much easier, *without* fundamentally changing how your data is represented. You can also take a look at Facebook's [Immutable-js](https://facebook.github.io/immutable-js/docs/) and the [Optimizing Performance](https://facebook.github.io/react/docs/optimizing-performance.html) section for more detail on Immutable-js.
+
+### The Main Idea
+
+If you mutate data like this:
+
+```js
+myData.x.y.z = 7;
+// or...
+myData.a.b.push(9);
+```
+
+You have no way of determining which data has changed since the previous copy has been overwritten. Instead, you need to create a new copy of `myData` and change only the parts of it that need to be changed. Then you can compare the old copy of `myData` with the new one in `shouldComponentUpdate()` using triple-equals:
+
+```js
+const newData = deepCopy(myData);
+newData.x.y.z = 7;
+newData.a.b.push(9);
+```
+
+Unfortunately, deep copies are expensive, and sometimes impossible. You can alleviate this by only copying objects that need to be changed and by reusing the objects that haven't changed. Unfortunately, in today's JavaScript this can be cumbersome:
+
+```js
+const newData = extend(myData, {
+  x: extend(myData.x, {
+    y: extend(myData.x.y, {z: 7}),
+  }),
+  a: extend(myData.a, {b: myData.a.b.concat(9)})
+});
+```
+
+While this is fairly performant (since it only makes a shallow copy of `log n` objects and reuses the rest), it's a big pain to write. Look at all the repetition! This is not only annoying, but also provides a large surface area for bugs.
+
+## `update()`
+
+`update()` provides simple syntactic sugar around this pattern to make writing this code easier. This code becomes:
+
+```js
+import update from 'react-addons-update';
+
+const newData = update(myData, {
+  x: {y: {z: {$set: 7}}},
+  a: {b: {$push: [9]}}
+});
+```
+
+While the syntax takes a little getting used to (though it's inspired by [MongoDB's query language](http://docs.mongodb.org/manual/core/crud-introduction/#query)) there's no redundancy, it's statically analyzable and it's not much more typing than the mutative version.
+
+The `$`-prefixed keys are called *commands*. The data structure they are "mutating" is called the *target*.
+
+## Available Commands
+
+  * `{$push: array}` `push()` all the items in `array` on the target.
+  * `{$unshift: array}` `unshift()` all the items in `array` on the target.
+  * `{$splice: array of arrays}` for each item in `arrays` call `splice()` on the target with the parameters provided by the item.
+  * `{$set: any}` replace the target entirely.
+  * `{$merge: object}` merge the keys of `object` with the target.
+  * `{$apply: function}` passes in the current value to the function and updates it with the new returned value.
+
+## Examples
+
+### Simple push
+
+```js
+const initialArray = [1, 2, 3];
+const newArray = update(initialArray, {$push: [4]}); // => [1, 2, 3, 4]
+```
+`initialArray` is still `[1, 2, 3]`.
+
+### Nested collections
+
+```js
+const collection = [1, 2, {a: [12, 17, 15]}];
+const newCollection = update(collection, {2: {a: {$splice: [[1, 1, 13, 14]]}}});
+// => [1, 2, {a: [12, 13, 14, 15]}]
+```
+This accesses `collection`'s index `2`, key `a`, and does a splice of one item starting from index `1` (to remove `17`) while inserting `13` and `14`.
+
+### Updating a value based on its current one
+
+```js
+const obj = {a: 5, b: 3};
+const newObj = update(obj, {b: {$apply: function(x) {return x * 2;}}});
+// => {a: 5, b: 6}
+// This is equivalent, but gets verbose for deeply nested collections:
+const newObj2 = update(obj, {b: {$set: obj.b * 2}});
+```
+
+### (Shallow) Merge
+
+```js
+const obj = {a: 5, b: 3};
+const newObj = update(obj, {$merge: {b: 6, c: 7}}); // => {a: 5, b: 6, c: 7}
+```
--- a/addons/react-addons-update/index.js
+++ b/addons/react-addons-update/index.js
@@ -0,0 +1,164 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+var _assign = require('object-assign');
+var invariant = require('fbjs/lib/invariant');
+var hasOwnProperty = {}.hasOwnProperty;
+
+function shallowCopy(x) {
+  if (Array.isArray(x)) {
+    return x.concat();
+  } else if (x && typeof x === 'object') {
+    return _assign(new x.constructor(), x);
+  } else {
+    return x;
+  }
+}
+
+var COMMAND_PUSH = '$push';
+var COMMAND_UNSHIFT = '$unshift';
+var COMMAND_SPLICE = '$splice';
+var COMMAND_SET = '$set';
+var COMMAND_MERGE = '$merge';
+var COMMAND_APPLY = '$apply';
+
+var ALL_COMMANDS_LIST = [
+  COMMAND_PUSH,
+  COMMAND_UNSHIFT,
+  COMMAND_SPLICE,
+  COMMAND_SET,
+  COMMAND_MERGE,
+  COMMAND_APPLY
+];
+
+var ALL_COMMANDS_SET = {};
+
+ALL_COMMANDS_LIST.forEach(function(command) {
+  ALL_COMMANDS_SET[command] = true;
+});
+
+function invariantArrayCase(value, spec, command) {
+  invariant(
+    Array.isArray(value),
+    'update(): expected target of %s to be an array; got %s.',
+    command,
+    value
+  );
+  var specValue = spec[command];
+  invariant(
+    Array.isArray(specValue),
+    'update(): expected spec of %s to be an array; got %s. ' +
+      'Did you forget to wrap your parameter in an array?',
+    command,
+    specValue
+  );
+}
+
+/**
+ * Returns a updated shallow copy of an object without mutating the original.
+ * See https://facebook.github.io/react/docs/update.html for details.
+ */
+function update(value, spec) {
+  invariant(
+    typeof spec === 'object',
+    'update(): You provided a key path to update() that did not contain one ' +
+      'of %s. Did you forget to include {%s: ...}?',
+    ALL_COMMANDS_LIST.join(', '),
+    COMMAND_SET
+  );
+
+  if (hasOwnProperty.call(spec, COMMAND_SET)) {
+    invariant(
+      Object.keys(spec).length === 1,
+      'Cannot have more than one key in an object with %s',
+      COMMAND_SET
+    );
+
+    return spec[COMMAND_SET];
+  }
+
+  var nextValue = shallowCopy(value);
+
+  if (hasOwnProperty.call(spec, COMMAND_MERGE)) {
+    var mergeObj = spec[COMMAND_MERGE];
+    invariant(
+      mergeObj && typeof mergeObj === 'object',
+      "update(): %s expects a spec of type 'object'; got %s",
+      COMMAND_MERGE,
+      mergeObj
+    );
+    invariant(
+      nextValue && typeof nextValue === 'object',
+      "update(): %s expects a target of type 'object'; got %s",
+      COMMAND_MERGE,
+      nextValue
+    );
+    _assign(nextValue, spec[COMMAND_MERGE]);
+  }
+
+  if (hasOwnProperty.call(spec, COMMAND_PUSH)) {
+    invariantArrayCase(value, spec, COMMAND_PUSH);
+    spec[COMMAND_PUSH].forEach(function(item) {
+      nextValue.push(item);
+    });
+  }
+
+  if (hasOwnProperty.call(spec, COMMAND_UNSHIFT)) {
+    invariantArrayCase(value, spec, COMMAND_UNSHIFT);
+    spec[COMMAND_UNSHIFT].forEach(function(item) {
+      nextValue.unshift(item);
+    });
+  }
+
+  if (hasOwnProperty.call(spec, COMMAND_SPLICE)) {
+    invariant(
+      Array.isArray(value),
+      'Expected %s target to be an array; got %s',
+      COMMAND_SPLICE,
+      value
+    );
+    invariant(
+      Array.isArray(spec[COMMAND_SPLICE]),
+      'update(): expected spec of %s to be an array of arrays; got %s. ' +
+        'Did you forget to wrap your parameters in an array?',
+      COMMAND_SPLICE,
+      spec[COMMAND_SPLICE]
+    );
+    spec[COMMAND_SPLICE].forEach(function(args) {
+      invariant(
+        Array.isArray(args),
+        'update(): expected spec of %s to be an array of arrays; got %s. ' +
+          'Did you forget to wrap your parameters in an array?',
+        COMMAND_SPLICE,
+        spec[COMMAND_SPLICE]
+      );
+      nextValue.splice.apply(nextValue, args);
+    });
+  }
+
+  if (hasOwnProperty.call(spec, COMMAND_APPLY)) {
+    invariant(
+      typeof spec[COMMAND_APPLY] === 'function',
+      'update(): expected spec of %s to be a function; got %s.',
+      COMMAND_APPLY,
+      spec[COMMAND_APPLY]
+    );
+    nextValue = spec[COMMAND_APPLY](nextValue);
+  }
+
+  for (var k in spec) {
+    if (!(ALL_COMMANDS_SET.hasOwnProperty(k) && ALL_COMMANDS_SET[k])) {
+      nextValue[k] = update(value[k], spec[k]);
+    }
+  }
+
+  return nextValue;
+}
+
+module.exports = update;
--- a/addons/react-addons-update/package.json
+++ b/addons/react-addons-update/package.json
@@ -0,0 +1,33 @@
+{
+  "name": "react-addons-update",
+  "version": "15.6.2",
+  "main": "index.js",
+  "repository": "facebook/react",
+  "keywords": [
+    "react",
+    "react-addon"
+  ],
+  "license": "MIT",
+  "dependencies": {
+    "fbjs": "^0.8.9",
+    "object-assign": "^4.1.0"
+  },
+  "devDependencies": {
+    "jest": "^19.0.2",
+    "webpack": "^2.6.1"
+  },
+  "scripts": {
+    "test": "TEST_ENTRY=./index.js jest",
+    "build:dev": "NODE_ENV=development webpack && TEST_ENTRY=./react-addons-update.js jest",
+    "build:prod": "NODE_ENV=production webpack && NODE_ENV=production TEST_ENTRY=./react-addons-update.min.js jest",
+    "build": "npm run build:dev && npm run build:prod && node ../postbuild.js",
+    "prepublish": "npm test && npm run build"
+  },
+  "files": [
+    "LICENSE",
+    "README.md",
+    "index.js",
+    "react-addons-update.js",
+    "react-addons-update.min.js"
+  ]
+}
--- a/addons/react-addons-update/test.js
+++ b/addons/react-addons-update/test.js
@@ -0,0 +1,110 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+// Catch stray warnings
+var env = jasmine.getEnv();
+var callCount = 0;
+var oldError = console.error;
+var newError = function() {
+  callCount++;
+  oldError.apply(this, arguments);
+};
+console.error = newError;
+env.beforeEach(() => {
+  callCount = 0;
+  jasmine.addMatchers({
+    toBeReset() {
+      return {
+        compare(actual) {
+          if (actual !== newError && !jasmine.isSpy(actual)) {
+            return {
+              pass: false,
+              message: 'Test did not tear down console.error mock properly.'
+            };
+          }
+          return {pass: true};
+        }
+      };
+    },
+    toNotHaveBeenCalled() {
+      return {
+        compare(actual) {
+          return {
+            pass: callCount === 0,
+            message:
+              'Expected test not to warn. If the warning is expected, mock ' +
+                "it out using spyOn(console, 'error'); and test that the " +
+                'warning occurs.'
+          };
+        }
+      };
+    }
+  });
+});
+env.afterEach(() => {
+  expect(console.error).toBeReset();
+  expect(console.error).toNotHaveBeenCalled();
+});
+
+const update = require(process.env.TEST_ENTRY);
+
+describe('update', () => {
+  // https://facebook.github.io/react/docs/update.html#simple-push
+  it('should support simple push', () => {
+    const array = [1, 2, 3];
+
+    const newArray = update(array, {$push: [4]});
+    expect(array).toEqual([1, 2, 3]);
+
+    expect(newArray).toEqual([1, 2, 3, 4]);
+  });
+
+  // https://facebook.github.io/react/docs/update.html#nested-collections
+  it('should support nested collections', () => {
+    const collection = [1, 2, {a: [12, 17, 15]}];
+
+    const newCollection = update(collection, {
+      2: {a: {$splice: [[1, 1, 13, 14]]}}
+    });
+    expect(collection).toEqual([1, 2, {a: [12, 17, 15]}]);
+
+    expect(newCollection).toEqual([1, 2, {a: [12, 13, 14, 15]}]);
+  });
+
+  // https://facebook.github.io/react/docs/update.html#updating-a-value-based-on-its-current-one
+  it('should support updating a value based on its current one', () => {
+    const obj = {a: 5, b: 3};
+
+    const newObj = update(obj, {
+      b: {
+        $apply: function(x) {
+          return x * 2;
+        }
+      }
+    });
+    expect(newObj).toEqual({a: 5, b: 6});
+
+    const newObj2 = update(obj, {b: {$set: obj.b * 2}});
+    expect(newObj2).toEqual({a: 5, b: 6});
+
+    expect(obj).toEqual({a: 5, b: 3});
+  });
+
+  // https://facebook.github.io/react/docs/update.html#shallow-merge
+  it('should support shallow merge', () => {
+    const obj = {a: 5, b: 3};
+
+    const newObj = update(obj, {$merge: {b: 6, c: 7}});
+    expect(newObj).toEqual({a: 5, b: 6, c: 7});
+
+    expect(obj).toEqual({a: 5, b: 3});
+  });
+});
--- a/addons/react-addons-update/webpack.config.js
+++ b/addons/react-addons-update/webpack.config.js
@@ -0,0 +1,51 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+const webpack = require('webpack');
+
+let __DEV__;
+switch (process.env.NODE_ENV) {
+  case 'development':
+    __DEV__ = true;
+    break;
+  case 'production':
+    __DEV__ = false;
+    break;
+  default:
+    throw new Error('Unknown environment.');
+}
+
+module.exports = {
+  entry: './index',
+  output: {
+    library: 'update',
+    libraryTarget: 'umd',
+    filename: __DEV__ ? 'react-addons-update.js' : 'react-addons-update.min.js'
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env.NODE_ENV': __DEV__ ? '"development"' : '"production"'
+    })
+  ].concat(
+    __DEV__
+      ? []
+      : [
+          new webpack.optimize.UglifyJsPlugin({
+            compress: {
+              warnings: false
+            },
+            output: {
+              comments: false
+            }
+          })
+        ]
+  )
+};
--- a/addons/react-addons-update/yarn.lock
+++ b/addons/react-addons-update/yarn.lock
--- a/addons/react-linked-input/.gitignore
+++ b/addons/react-linked-input/.gitignore
@@ -0,0 +1,2 @@
+react-linked-input.js
+react-linked-input.min.js
--- a/addons/react-linked-input/LICENSE.txt
+++ b/addons/react-linked-input/LICENSE.txt
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2013-present, Facebook, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/addons/react-linked-input/README.md
+++ b/addons/react-linked-input/README.md
@@ -0,0 +1,11 @@
+# react-linked-input
+
+>**Note:**
+>This is a legacy React addon, and is no longer maintained.
+>
+>We don't encourage using it in new code, but it exists for backwards compatibility.  
+>The recommended migration path is to set `value` and `onChange` props directly instead of `valueLink` or `checkedLink`.
+
+This component supports the legacy `valueLink` API for `<input>` components. The built-in support for it is being removed from React. This component may be used as a migration plan (so your code doesn't break in React 16) or may be used if you just like the `valueLink` data binding semantics. However, this component is not maintained, so use at your own risk.
+
+For details on how to use it, refer to the [`LinkedStateMixin`](https://www.npmjs.com/package/react-addons-linked-state-mixin) documentation, since they usually appear together.
--- a/addons/react-linked-input/index.js
+++ b/addons/react-linked-input/index.js
@@ -0,0 +1,165 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+var React = require('react');
+
+if (typeof React === 'undefined') {
+  throw Error(
+    'react-linked-input could not find the React object. If you are using script tags, ' +
+      'make sure that React is being loaded before react-linked-input.'
+  );
+}
+
+var invariant = require('fbjs/lib/invariant');
+
+function _assertSingleLink(inputProps) {
+  invariant(
+    inputProps.checkedLink == null || inputProps.valueLink == null,
+    'Cannot provide a checkedLink and a valueLink. If you want to use ' +
+      "checkedLink, you probably don't want to use valueLink and vice versa."
+  );
+}
+function _assertValueLink(inputProps) {
+  _assertSingleLink(inputProps);
+  invariant(
+    inputProps.value == null && inputProps.onChange == null,
+    'Cannot provide a valueLink and a value or onChange event. If you want ' +
+      "to use value or onChange, you probably don't want to use valueLink."
+  );
+}
+
+function _assertCheckedLink(inputProps) {
+  _assertSingleLink(inputProps);
+  invariant(
+    inputProps.checked == null && inputProps.onChange == null,
+    'Cannot provide a checkedLink and a checked property or onChange event. ' +
+      "If you want to use checked or onChange, you probably don't want to " +
+      'use checkedLink'
+  );
+}
+
+/**
+ * Provide a linked `value` attribute for controlled forms. You should not use
+ * this outside of the ReactDOM controlled form components.
+ */
+var LinkedValueUtils = {
+  /**
+   * @param {object} inputProps Props for form component
+   * @return {*} current value of the input either from value prop or link.
+   */
+  getValue: function(inputProps) {
+    if (inputProps.valueLink) {
+      _assertValueLink(inputProps);
+      return inputProps.valueLink.value;
+    }
+    return inputProps.value;
+  },
+
+  /**
+   * @param {object} inputProps Props for form component
+   * @return {*} current checked status of the input either from checked prop
+   *             or link.
+   */
+  getChecked: function(inputProps) {
+    if (inputProps.checkedLink) {
+      _assertCheckedLink(inputProps);
+      return inputProps.checkedLink.value;
+    }
+    return inputProps.checked;
+  },
+
+  /**
+   * @param {object} inputProps Props for form component
+   * @param {SyntheticEvent} event change event to handle
+   */
+  executeOnChange: function(inputProps, event) {
+    if (inputProps.valueLink) {
+      _assertValueLink(inputProps);
+      return inputProps.valueLink.requestChange(event.target.value);
+    } else if (inputProps.checkedLink) {
+      _assertCheckedLink(inputProps);
+      return inputProps.checkedLink.requestChange(event.target.checked);
+    } else if (inputProps.onChange) {
+      return inputProps.onChange.call(undefined, event);
+    }
+  }
+};
+
+function _classCallCheck(instance, Constructor) {
+  if (!(instance instanceof Constructor)) {
+    throw new TypeError('Cannot call a class as a function');
+  }
+}
+
+function _possibleConstructorReturn(self, call) {
+  if (!self) {
+    throw new ReferenceError(
+      "this hasn't been initialised - super() hasn't been called"
+    );
+  }
+  return call && (typeof call === 'object' || typeof call === 'function')
+    ? call
+    : self;
+}
+
+function _inherits(subClass, superClass) {
+  if (typeof superClass !== 'function' && superClass !== null) {
+    throw new TypeError(
+      'Super expression must either be null or a function, not ' +
+        typeof superClass
+    );
+  }
+  subClass.prototype = Object.create(superClass && superClass.prototype, {
+    constructor: {
+      value: subClass,
+      enumerable: false,
+      writable: true,
+      configurable: true
+    }
+  });
+  if (superClass) {
+    if (Object.setPrototypeOf) {
+      Object.setPrototypeOf(subClass, superClass);
+    } else {
+      // eslint-disable-next-line no-proto
+      subClass.__proto__ = superClass;
+    }
+  }
+}
+
+var LI = (function(_React$Component) {
+  _inherits(LinkedInput, _React$Component);
+
+  function LinkedInput() {
+    _classCallCheck(this, LinkedInput);
+
+    var _this = _possibleConstructorReturn(this, _React$Component.call(this));
+
+    _this.handleChange = _this.handleChange.bind(_this);
+    return _this;
+  }
+
+  LinkedInput.prototype.handleChange = function handleChange(e) {
+    LinkedValueUtils.executeOnChange(this.props, e);
+  };
+
+  LinkedInput.prototype.render = function render() {
+    var newProps = Object.assign({}, this.props);
+    newProps.value = LinkedValueUtils.getValue(this.props);
+    newProps.checked = LinkedValueUtils.getChecked(this.props);
+    newProps.onChange = this.handleChange;
+    delete newProps.valueLink;
+    delete newProps.checkedLink;
+    return React.createElement('input', newProps);
+  };
+
+  return LinkedInput;
+})(React.Component);
+
+module.exports = LI;
--- a/addons/react-linked-input/package.json
+++ b/addons/react-linked-input/package.json
@@ -0,0 +1,42 @@
+{
+  "name": "react-linked-input",
+  "version": "15.6.2",
+  "description": "LinkedInput supports the ReactLink semantics",
+  "main": "index.js",
+  "scripts": {
+    "test": "TEST_ENTRY=./index.js jest",
+    "build:dev": "NODE_ENV=development webpack && TEST_ENTRY=./react-linked-input.js jest",
+    "build:prod": "NODE_ENV=production webpack && NODE_ENV=production TEST_ENTRY=./react-linked-input.min.js jest",
+    "build": "npm run build:dev && npm run build:prod",
+    "prepublish": "npm test && npm run build"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/facebook/react.git"
+  },
+  "files": [
+    "LICENSE",
+    "factory.js",
+    "index.js",
+    "react-linked-input.js",
+    "react-linked-input.min.js"
+  ],
+  "keywords": [
+    "react",
+    "linkedinput",
+    "input",
+    "linked",
+    "reactlink"
+  ],
+  "license": "MIT",
+  "devDependencies": {
+    "babel-preset-es2015": "^6.24.0",
+    "jest": "^19.0.2",
+    "react": "^15.4.2",
+    "react-dom": "^15.4.2",
+    "webpack": "^2.6.1"
+  },
+  "dependencies": {
+    "fbjs": "^0.8.9"
+  }
+}
--- a/addons/react-linked-input/test.js
+++ b/addons/react-linked-input/test.js
@@ -0,0 +1,107 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+// Catch stray warnings
+var env = jasmine.getEnv();
+var callCount = 0;
+var oldError = console.error;
+var newError = function() {
+  callCount++;
+  oldError.apply(this, arguments);
+};
+console.error = newError;
+env.beforeEach(() => {
+  callCount = 0;
+  jasmine.addMatchers({
+    toBeReset() {
+      return {
+        compare(actual) {
+          if (actual !== newError && !jasmine.isSpy(actual)) {
+            return {
+              pass: false,
+              message: 'Test did not tear down console.error mock properly.'
+            };
+          }
+          return {pass: true};
+        }
+      };
+    },
+    toNotHaveBeenCalled() {
+      return {
+        compare(actual) {
+          return {
+            pass: callCount === 0,
+            message:
+              'Expected test not to warn. If the warning is expected, mock ' +
+                "it out using spyOn(console, 'error'); and test that the " +
+                'warning occurs.'
+          };
+        }
+      };
+    }
+  });
+});
+env.afterEach(() => {
+  expect(console.error).toBeReset();
+  expect(console.error).toNotHaveBeenCalled();
+});
+
+function noop() {}
+
+// Tests adapted from ReactComponentWithPureRendererMixin and ReactPureComponent tests
+describe('LinkedInput', function() {
+  let LinkedInput;
+  let React;
+  let ReactDOM;
+
+  beforeEach(function() {
+    React = require('react');
+    ReactDOM = require('react-dom');
+    LinkedInput = require(process.env.TEST_ENTRY);
+  });
+
+  it('should basically work', function() {
+    spyOn(console, 'error'); // Unknown prop `requestChange` on <input> tag
+
+    const container = document.createElement('div');
+    const component = ReactDOM.render(
+      React.createElement(LinkedInput, {
+        value: 'foo',
+        onChange: noop
+      }),
+      container
+    );
+    const input = ReactDOM.findDOMNode(component);
+    expect(input.value).toBe('foo');
+    ReactDOM.render(
+      React.createElement(LinkedInput, {
+        valueLink: {value: 'boo'},
+        requestChange: noop
+      }),
+      container
+    );
+    expect(input.value).toBe('boo');
+  });
+
+  it('should throw', function() {
+    const container = document.createElement('div');
+    const element = React.createElement(LinkedInput, {
+      value: 'foo',
+      valueLink: {
+        value: 'boo',
+        requestChange: noop
+      }
+    });
+    expect(function() {
+      ReactDOM.render(element, container);
+    }).toThrow();
+  });
+});
--- a/addons/react-linked-input/webpack.config.js
+++ b/addons/react-linked-input/webpack.config.js
@@ -0,0 +1,59 @@
+/**
+ * Copyright (c) 2013-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @emails react-core
+ */
+
+'use strict';
+
+const webpack = require('webpack');
+
+let __DEV__;
+switch (process.env.NODE_ENV) {
+  case 'development':
+    __DEV__ = true;
+    break;
+  case 'production':
+    __DEV__ = false;
+    break;
+  default:
+    throw new Error('Unknown environment.');
+}
+
+module.exports = {
+  entry: './index',
+  output: {
+    library: 'LinkedInput',
+    libraryTarget: 'umd',
+    filename: __DEV__ ? 'react-linked-input.js' : 'react-linked-input.min.js'
+  },
+  externals: {
+    react: {
+      root: 'React',
+      commonjs2: 'react',
+      commonjs: 'react',
+      amd: 'react'
+    }
+  },
+  plugins: [
+    new webpack.DefinePlugin({
+      'process.env.NODE_ENV': __DEV__ ? '"development"' : '"production"'
+    })
+  ].concat(
+    __DEV__
+      ? []
+      : [
+          new webpack.optimize.UglifyJsPlugin({
+            compress: {
+              warnings: false
+            },
+            output: {
+              comments: false
+            }
+          })
+        ]
+  )
+};
--- a/addons/react-linked-input/yarn.lock
+++ b/addons/react-linked-input/yarn.lock
--- a/addons/test.js
+++ b/addons/test.js
@@ -0,0 +1,23 @@
+var fs = require('fs');
+var path = require('path');
+var spawnSync = require('child_process').spawnSync;
+
+function runNpmCommand(dir, args) {
+  const result = spawnSync('npm', args, {
+    cwd: path.join(__dirname, dir),
+    stdio: 'inherit'
+  });
+  if (result.status !== 0) {
+    process.exit('npm test exited with non-zero code.');
+  }
+}
+
+fs
+  .readdirSync(__dirname)
+  .filter(file => {
+    return fs.statSync(path.join(__dirname, file)).isDirectory();
+  })
+  .forEach(dir => {
+    runNpmCommand(dir, ['install']);
+    runNpmCommand(dir, ['run', 'prepublish']);
+  });
--- a/bin/jsx
+++ b/bin/jsx
@@ -1,28 +0,0 @@
-#!/usr/bin/env node
-// -*- mode: js -*-
-"use strict";
-
-var transform = require('../main').transform;
-
-require('commoner').version(
-  require('../package.json').version
-).resolve(function(id) {
-  return this.readModuleP(id);
-}).option(
-  '--harmony',
-  'Turns on JS transformations such as ES6 Classes etc.'
-).option(
-  '--strip-types',
-  'Strips out type annotations.'
-).option(
-  '--source-map-inline',
-  'Embed inline sourcemap in transformed source'
-).process(function(id, source) {
-  // This is where JSX, ES6, etc. desugaring happens.
-  var options = {
-    harmony: this.options.harmony,
-    sourceMap: this.options.sourceMapInline,
-    stripTypes: this.options.stripTypes
-  };
-  return transform(source, options);
-});
--- a/bin/jsx-internal
+++ b/bin/jsx-internal
@@ -1,58 +0,0 @@
-#!/usr/bin/env node
-// -*- mode: js -*-
-"use strict";
-
-var getAllVisitors = require('../vendor/fbtransform/visitors').getAllVisitors;
-var transform = require('jstransform').transform;
-var propagate = require("../vendor/constants").propagate;
-
-require("commoner").version(
-  require("../package.json").version
-).resolve(function(id) {
-  var context = this;
-
-  // Note that the result of context.getProvidedP() is cached for the
-  // duration of the build, so it is both consistent and cheap to
-  // evaluate multiple times.
-  return context.getProvidedP().then(function(idToPath) {
-    // If a module declares its own identifier using @providesModule
-    // then that identifier will be a key in the idToPath object.
-    if (idToPath.hasOwnProperty(id)) {
-      return context.readFileP(idToPath[id]);
-    }
-
-    // Otherwise assume the identifier maps directly to a path in the
-    // filesystem.
-    return context.readModuleP(id);
-  });
-
-}).process(function(id, source) {
-  var context = this;
-  var constants = context.config.constants || {};
-
-  // This is where JSX, ES6, etc. desugaring happens.
-  source = transform(getAllVisitors(), source).code;
-
-  // Constant propagation means removing any obviously dead code after
-  // replacing constant expressions with literal (boolean) values.
-  source = propagate(constants, source);
-
-  if (context.config.mocking) {
-    // Make sure there is exactly one newline at the end of the module.
-    source = source.replace(/\s+$/m, "\n");
-
-    return context.getProvidedP().then(function(idToPath) {
-      if (id !== "mock-modules" &&
-          id !== "mocks" &&
-          id !== "test/all" &&
-          idToPath.hasOwnProperty("mock-modules")) {
-        return source + '\nrequire("mock-modules").register(' +
-          JSON.stringify(id) + ', module);\n';
-      }
-
-      return source;
-    });
-  }
-
-  return source;
-});
--- a/circle.yml
+++ b/circle.yml
@@ -0,0 +1,46 @@
+---
+machine:
+  timezone: America/Los_Angeles
+  node:
+    version: 6
+  ruby:
+    version: 2.2.3
+  environment:
+    TRAVIS_REPO_SLUG: facebook/react
+    YARN_VERSION: 0.17.8
+    PATH: "${PATH}:${HOME}/.yarn/bin"
+
+dependencies:
+  pre:
+    # This is equivalent to $TRAVIS_COMMIT_RANGE
+    # Need to figure out how to bail early if this is a "docs only" build
+    - echo $CIRCLE_COMPARE_URL | cut -d/ -f7
+    # install yarn if it's not already installed
+    - |
+      if [[ ! -e ~/.yarn/bin/yarn || $(yarn --version) != "${YARN_VERSION}" ]]; then
+        curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version $YARN_VERSION
+      fi
+  override:
+    - bundle install --gemfile=docs/Gemfile --deployment --path=vendor/bundle --jobs=3 --retry=3
+    - yarn install
+    - scripts/circleci/set_up_github_keys.sh
+  post:
+    # - npm ls --depth=0
+  cache_directories:
+    - docs/vendor/bundle
+    - .grunt # Show size comparisons between builds
+    - ~/react-gh-pages # docs checkout
+    - ~/.yarn
+    - ~/.yarn-cache
+
+test:
+  override:
+    - ./scripts/circleci/test_entry_point.sh:
+        parallel: true
+
+deployment:
+  staging:
+    branch: /.*/
+    commands:
+      - ./scripts/circleci/upload_build.sh
+      - ./scripts/circleci/build_gh_pages.sh
--- a/docs/404.md
+++ b/docs/404.md
@@ -1,6 +1,7 @@
 ---
 layout: single
 title: Page Not Found
+permalink: 404.html
 ---

 We couldn't find what you were looking for.
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -3,11 +3,12 @@ source 'https://rubygems.org'
 gem 'rake'

 # jekyll, which builds it all
-# 2.0 includes sass processing
-gem 'jekyll', '~>2.0'
+# 3.0 includes sass processing
+gem 'jekyll', '~>3.1'

-# Auto redirect pages
+# Jekyll extensions
 gem 'jekyll-redirect-from'
+gem 'jekyll-paginate'

 # JSON
 gem 'json'
@@ -17,3 +18,12 @@ gem 'rb-fsevent'

 # For markdown header cleanup
 gem 'sanitize', '~>2.0'
+
+# Markdown
+gem 'redcarpet'
+
+# Syntax highlighting
+gem 'pygments.rb'
+
+# Avoid having to poll for changes on Windows
+gem 'wdm', '>= 0.1.0' if Gem.win_platform?
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -1,82 +1,67 @@
 GEM
  remote: https://rubygems.org/
  specs:
-    blankslate (2.1.2.4)
-    celluloid (0.15.2)
-      timers (~> 1.1.0)
-    classifier (1.3.4)
-      fast-stemmer (>= 1.0.0)
-    coffee-script (2.3.0)
-      coffee-script-source
-      execjs
-    coffee-script-source (1.7.1)
    colorator (0.1)
-    execjs (2.2.1)
-    fast-stemmer (1.0.2)
-    ffi (1.9.3)
-    jekyll (2.2.0)
-      classifier (~> 1.3)
+    ffi (1.9.14)
+    ffi (1.9.14-x64-mingw32)
+    jekyll (3.1.6)
      colorator (~> 0.1)
-      jekyll-coffeescript (~> 1.0)
-      jekyll-gist (~> 1.0)
-      jekyll-paginate (~> 1.0)
      jekyll-sass-converter (~> 1.0)
-      jekyll-watch (~> 1.0)
+      jekyll-watch (~> 1.1)
      kramdown (~> 1.3)
-      liquid (~> 2.6.1)
+      liquid (~> 3.0)
      mercenary (~> 0.3.3)
-      pygments.rb (~> 0.6.0)
-      redcarpet (~> 3.1)
+      rouge (~> 1.7)
      safe_yaml (~> 1.0)
-      toml (~> 0.1.0)
-    jekyll-coffeescript (1.0.0)
-      coffee-script (~> 2.2)
-    jekyll-gist (1.1.0)
-    jekyll-paginate (1.0.0)
-    jekyll-redirect-from (0.5.0)
-      jekyll (~> 2.0)
-    jekyll-sass-converter (1.2.0)
-      sass (~> 3.2)
-    jekyll-watch (1.1.0)
-      listen (~> 2.7)
-    json (1.8.1)
-    kramdown (1.4.1)
-    liquid (2.6.1)
-    listen (2.7.9)
-      celluloid (>= 0.15.2)
-      rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9)
-    mercenary (0.3.4)
-    mini_portile (0.6.0)
-    nokogiri (1.6.3.1)
-      mini_portile (= 0.6.0)
-    parslet (1.5.0)
-      blankslate (~> 2.0)
-    posix-spawn (0.3.9)
-    pygments.rb (0.6.0)
+    jekyll-paginate (1.1.0)
+    jekyll-redirect-from (0.11.0)
+      jekyll (>= 2.0)
+    jekyll-sass-converter (1.4.0)
+      sass (~> 3.4)
+    jekyll-watch (1.4.0)
+      listen (~> 3.0, < 3.1)
+    json (2.0.1)
+    kramdown (1.11.1)
+    liquid (3.0.6)
+    listen (3.0.8)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+    mercenary (0.3.6)
+    mini_portile2 (2.1.0)
+    nokogiri (1.6.8)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
+    nokogiri (1.6.8-x64-mingw32)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
+    pkg-config (1.1.7)
+    posix-spawn (0.3.11)
+    pygments.rb (0.6.3)
      posix-spawn (~> 0.3.6)
-      yajl-ruby (~> 1.1.0)
-    rake (10.3.2)
-    rb-fsevent (0.9.4)
-    rb-inotify (0.9.5)
+      yajl-ruby (~> 1.2.0)
+    rake (11.2.2)
+    rb-fsevent (0.9.7)
+    rb-inotify (0.9.7)
      ffi (>= 0.5.0)
-    redcarpet (3.1.2)
-    safe_yaml (1.0.3)
-    sanitize (2.0.6)
+    redcarpet (3.3.4)
+    rouge (1.11.1)
+    safe_yaml (1.0.4)
+    sanitize (2.1.0)
      nokogiri (>= 1.4.4)
-    sass (3.3.14)
-    timers (1.1.0)
-    toml (0.1.1)
-      parslet (~> 1.5.0)
-    yajl-ruby (1.1.0)
+    sass (3.4.22)
+    yajl-ruby (1.2.1)

 PLATFORMS
  ruby
+  x64-mingw32

 DEPENDENCIES
-  jekyll (~> 2.0)
+  jekyll (~> 3.1)
+  jekyll-paginate
  jekyll-redirect-from
  json
+  pygments.rb
  rake
  rb-fsevent
+  redcarpet
  sanitize (~> 2.0)
--- a/Show More
+++ b/Show More