🔑 Key changes

• Fix problems with debugging with flipper Improve building, Fix Runtime creation
• Improved Decay animation bc20a4b
• Reanimated 2 has been removed from default exports 2a049a0
• Support for @quilted/react-testing 129cc1c
• Possibility to customize JS prop updates dcd6113

🐛 Bug fixes

• Fix Server-site rendering 5a499ec
• Fix problem with codepush 824e5df
• Fix measure not throwing on iOS a568d7b, 9f9f4e2

👍 Improvements

• Speeded up building on Android (Example App) 7aebe68
• Named exported animation functions 462e21e
• Possibility to set custom globals in our babel plugin 11250a0
• Made shared values more aware of multithreading c511a5d

📓 Docs improvements

• Broken links fixes 85e5705, ee5e557
• Docs appearance update 5b0e39f
• Add information about JSC support to the docs 22bbc3a
• Clarify iOS installation steps b8b7da8
• Update testing related doc ab6afd1
• Added info about Webpack configuration to docs ee11c63

🙌 Thank you for your contributions!

📢 Keep watching! We will back with new features soon! 🤗

🔑 Key changes

• Added support for JSC on Android. https://github.com/software-mansion/react-native-reanimated/pull/1842
• Extracted worklet API - Thanks to hard work @mrousavy, you can use worklets also in native code.
  Like react-native-vision-camera and react-native-multithreading
• Update react-native version to 0.64.0 https://github.com/software-mansion/react-native-reanimated/pull/1882

🐛 Bug fixes

• Fixed problem with full reload on Android. https://github.com/software-mansion/react-native-reanimated/pull/1839
• Fixed wrapped worklet. https://github.com/software-mansion/react-native-reanimated/pull/1844
• Fixed bug in react-native-web affected on the web version of reanimated. RNW Issue
• Added missing viewRef for animatedProps https://github.com/software-mansion/react-native-reanimated/pull/1819
• Fixed problem with hidden headers for Swift applications. https://github.com/software-mansion/react-native-reanimated/pull/1810

👍 Improvements

• Added possibility to use Reanimated 2 without configuration if you use only API v1. https://github.com/software-mansion/react-native-reanimated/pull/1845
• Add more descriptive error messages. https://github.com/software-mansion/react-native-reanimated/pull/1845 https://github.com/software-mansion/react-native-reanimated/pull/1832
• Reorganized structure of files in the project: https://github.com/software-mansion/react-native-reanimated/pull/1789
• Migration codebase to TypeScript. https://github.com/software-mansion/react-native-reanimated/pull/1807 https://github.com/software-mansion/react-native-reanimated/pull/1872

📓 Docs improvements

• Updated information about debugging. https://github.com/software-mansion/react-native-reanimated/pull/1876

🙌 Thank you for your contributions!

📢 Keep watching! We will back with new features soon! 🤗

🔑 Key changes

• Let users use v1 without additional steps and detect missing configuration on Android and iOS (https://github.com/software-mansion/react-native-reanimated/pull/1845)

🐛 Bug fixes

• Replace global.Expo.Constants with NativeModules check (#1803) by @brentvatne

👍 Improvements

• Replace setImmediate with requestAnimationFrame (#1521) by @DrRefactor
• Support radians in interpolateNode() (#1756) by @javascripter

⌨️ Typescript

• Update color and interpolateColors return type to allow strings (#1467) by @chj-damon

🙌 Thank you for your contributions!

🔑 Key changes

• Added support for Jest.js test (#1731)
• Rewrited Example app to TypeScript (#1724)
• Refactor of SharableValue for optimization memory usage (#1639)

🐛 Bug fixes

• Bugs with ScrollView (#1742) (https://github.com/software-mansion/react-native-reanimated/commit/a913291bb509acf991fbf6f9487740ac1301bd9e)
• Problem with full reload (#1747)

👍 Improvements

• Added bindings for console.log for React Native 0.64 (#1646)
• Updated react-native-navigation in Example app (#1725)
• Improved TypeScript types for Reanimated (#1745) (#1698)

📓 Docs improvements

• Fixed typos (#1755) (#1743)
• Added docs for Jest testing (#1731)
• Added example Jest tests usage (#1731)

🙌 Thank you for your contributions!

🔑 Key changes

• Support RN64 (#1667) (#1496) (#1688)
• Shared value rerender behavior (#1660)
• Add previous result to useAnimatedReaction (#1653)

🐛 Bug fixes

• Reactivate animations on mount (#1646)
• Fix problem with drawer (#1665)
• Update Android Tools gralde version (#1666)
• Fix too deep recursion call (#1661)
• Fix jsi::Error handling (#1692)
• Interpolation: replace spread operator with Object.assign (#1694)

👍 Improvements

• Improve testing (#1648)
• A better way to handle exceptional situations (#1654)
• Handle lack of babel plugin (#1682)
• Use nttld/setup-ndk@v1 to setup ndk (#1687)

📓 Docs improvements

• Add docs for native functions (#1645)
• Add docs for events (#1647)

Types improvements

• Fix type of style colors (#1531)
• Support animatedProps and fix createAnimatedComponent typing (#1590)

🙌 Thank you for your contributions!

🔑 Key changes

• Feature: interpolate: Extrapolate left/right - https://github.com/software-mansion/react-native-reanimated/pull/1549
• Use adapters for animated props - https://github.com/software-mansion/react-native-reanimated/pull/1606

🐛 Bug fixes

• Memory leaks - https://github.com/software-mansion/react-native-reanimated/pull/1556
• Remove ref loop from ShareableValue - https://github.com/software-mansion/react-native-reanimated/pull/1580
• Fix synchronous layout - https://github.com/software-mansion/react-native-reanimated/pull/1584
• Fix interpolate of alpha channel - https://github.com/software-mansion/react-native-reanimated/pull/1594
• Fix no host instance case - https://github.com/software-mansion/react-native-reanimated/pull/1601
• Fix initialization of animation value - https://github.com/software-mansion/react-native-reanimated/pull/1603
• NodesManager.onEventDispatch(): ignore mNativeProxy when null - https://github.com/software-mansion/react-native-reanimated/pull/1615
• Add support for animate string value with % - https://github.com/software-mansion/react-native-reanimated/pull/1617
• do not execute finished animation - https://github.com/software-mansion/react-native-reanimated/pull/1618
• Fix animations - https://github.com/software-mansion/react-native-reanimated/pull/1619
• Use targetTimestamp instead of timestamp #1620
• Inject frameTimestamp to our context for time of frame - #1622
• Fix SVG adapter - #1623
• Fix animationsActive + default interpolation type - #1624
• Fix naming collision - #1628

👍 Improvements

• Feature: enable native code debugging via LLDB - https://github.com/software-mansion/react-native-reanimated/pull/1551
• Add mocks for addWhitelistedUIProps & addWhitelistedNativeProps - https://github.com/software-mansion/react-native-reanimated/pull/1574
• Information about worklet localization to exception message - https://github.com/software-mansion/react-native-reanimated/pull/1577
• Use implementation of useSharedValue in mock - https://github.com/software-mansion/react-native-reanimated/pull/1585
• Check the lengths when comparing deps - https://github.com/software-mansion/react-native-reanimated/pull/1602
• Handle null deps in hooks - https://github.com/software-mansion/react-native-reanimated/pull/1605
• Update of mocs - #1621

📓 Docs improvements

• Correct typo in Shared Values doc - https://github.com/software-mansion/react-native-reanimated/pull/1565
• Mention props config in the useAnimatedProps - https://github.com/software-mansion/react-native-reanimated/pull/1575

Types improvements

• Add DerivedValue to the TS types - https://github.com/software-mansion/react-native-reanimated/pull/1567
• Add return type to useAnimatedReaction - https://github.com/software-mansion/react-native-reanimated/pull/1583
• Allow string as toValue type in withTiming and withSpring - https://github.com/software-mansion/react-native-reanimated/pull/1591
• Update TS to 4.1.3 & add strict checks - https://github.com/software-mansion/react-native-reanimated/pull/1592

🙌 Thank you for your contributions!

🔑 Key changes

• Don't run observer callbacks during sync uimanager batch update - https://github.com/software-mansion/react-native-reanimated/pull/1501

🐛 Bug fixes

• Fix mem leaks - https://github.com/software-mansion/react-native-reanimated/pull/1543
• Fix unknown reference to _updatePropsJS - https://github.com/software-mansion/react-native-reanimated/pull/1471
• Fix animations with initial value - https://github.com/software-mansion/react-native-reanimated/pull/1496
• cachedMatchers initialization - https://github.com/software-mansion/react-native-reanimated/pull/1504
• Get rid of optional chaining in plugin - https://github.com/software-mansion/react-native-reanimated/pull/1509
• Add console.info on native, fix console on the web - https://github.com/software-mansion/react-native-reanimated/pull/1507
• Fix useAnimatedGestureHandler for web - https://github.com/software-mansion/react-native-reanimated/pull/1518

👍 Improvements

• Refactor of global values - https://github.com/software-mansion/react-native-reanimated/pull/1482
• Handle worklet errors on hermes - https://github.com/software-mansion/react-native-reanimated/pull/1491
• Prevent executing mappers for the same value - https://github.com/software-mansion/react-native-reanimated/pull/1502
• Refine type for `createAnimatedComponent() - https://github.com/software-mansion/react-native-reanimated/pull/1466
• Add callback to withRepeat type - https://github.com/software-mansion/react-native-reanimated/pull/1540

📓 Docs improvements

• Fix git command in docs - https://github.com/software-mansion/react-native-reanimated/pull/1514
• Add information about nested components - https://github.com/software-mansion/react-native-reanimated/pull/1510

🙌 Thank you for your contributions!

🐛 Bug fixes and 👍 Improvements

• Fix access to viewDescriptor property in createAnimatedComponent - https://github.com/software-mansion/react-native-reanimated/pull/1446
• Fix spread operator - https://github.com/software-mansion/react-native-reanimated/pull/1453
• Don’t process event with null native map - https://github.com/software-mansion/react-native-reanimated/pull/1457
• Fix setAndForwardRef & TurboModuleRegistry imports on web - https://github.com/software-mansion/react-native-reanimated/pull/1378
• Fix unknown reference to _updatePropsJS - https://github.com/software-mansion/react-native-reanimated/pull/1471
• Fix crash in scheduler - https://github.com/software-mansion/react-native-reanimated/pull/1473
• Improve error handling - https://github.com/software-mansion/react-native-reanimated/pull/1468
• Fix bool props on Android - https://github.com/software-mansion/react-native-reanimated/pull/1474

🙌 Thank you for your contributions!

🔑 Key changes

• Improve UI props updating - https://github.com/software-mansion/react-native-reanimated/pull/1409

🐛 Bug fixes

• Fix scrollTo freezing - https://github.com/software-mansion/react-native-reanimated/pull/1418
• Remove ref from useAnimatedReaction hook - https://github.com/software-mansion/react-native-reanimated/pull/1412
• Fix "cannot access repeat() before initialisation" error on the web - https://github.com/software-mansion/react-native-reanimated/pull/1402
• Fix bugs on web - https://github.com/software-mansion/react-native-reanimated/pull/1438

👍 Improvements

• Reduce animations' lag - https://github.com/software-mansion/react-native-reanimated/pull/1419
• Add types for makeMutable() - https://github.com/software-mansion/react-native-reanimated/pull/1422
• Add tests and cosmetic improvements for plugin - https://github.com/software-mansion/react-native-reanimated/pull/1416
• Add runOnJS types - https://github.com/software-mansion/react-native-reanimated/pull/1392

📓 Docs improvements

• Add run on js docs note - https://github.com/software-mansion/react-native-reanimated/pull/1431
• added info about exception in measure() - https://github.com/software-mansion/react-native-reanimated/pull/1421
• Fix docs typo - https://github.com/software-mansion/react-native-reanimated/pull/1408
• Fix link to previous ios installation in docs - https://github.com/software-mansion/react-native-reanimated/pull/1407

🙌 Thank you for your contributions!

‼️ IMPORTANT UPGRADE INSTRUCTIONS

Using Reanimated 2 on iOS no longer requires additional manual installation steps. When upgrading you should revert all the changes previously made to your app's AppDelegate. See here that the new installation instructions on iOS does no longer require to make any changes to the iOS project files, and see this old instructions in case you are unsure of what changes to revert.

🔑 Key changes

• add color interpolation - https://github.com/software-mansion/react-native-reanimated/pull/1305
• Two new hooks - useWorkletCallback and createWorklet - https://github.com/software-mansion/react-native-reanimated/pull/1310
• runOnJS - https://github.com/software-mansion/react-native-reanimated/pull/1272
• simplify iOS installation process - https://github.com/software-mansion/react-native-reanimated/pull/1323
• update animations’ logic - https://github.com/software-mansion/react-native-reanimated/pull/1299
• refactor for the better usage - https://github.com/software-mansion/react-native-reanimated/pull/1286
• fix event handling - https://github.com/software-mansion/react-native-reanimated/pull/1319

🐛 Bug fixes

• fix concurrency - https://github.com/software-mansion/react-native-reanimated/pull/1315
• compilation issues - https://github.com/software-mansion/react-native-reanimated/pull/1331
• eslint - https://github.com/software-mansion/react-native-reanimated/pull/1344
• runOnJS - https://github.com/software-mansion/react-native-reanimated/pull/1345
• fix freeze problem - https://github.com/software-mansion/react-native-reanimated/pull/1346
• Fix shadow color animations - https://github.com/software-mansion/react-native-reanimated/pull/1304

👍 Improvements

• Do not try to call methods NativeProxy if it's null - https://github.com/software-mansion/react-native-reanimated/pull/1282
• Add Boolean to the globals - https://github.com/software-mansion/react-native-reanimated/pull/1292
• Add deps to useAnimatedReaction - https://github.com/software-mansion/react-native-reanimated/pull/1338
• Update shared value rerender logic - https://github.com/software-mansion/react-native-reanimated/pull/1351
• Update animations' types - https://github.com/software-mansion/react-native-reanimated/pull/1359
• Workletize animations' callbacks - https://github.com/software-mansion/react-native-reanimated/pull/1367
• Use createFromJsonUtf8 in processEvent - https://github.com/software-mansion/react-native-reanimated/pull/1362

📓 Docs improvements

• https://github.com/software-mansion/react-native-reanimated/pull/1281
• https://github.com/software-mansion/react-native-reanimated/pull/1288
• https://github.com/software-mansion/react-native-reanimated/pull/1328
• https://github.com/software-mansion/react-native-reanimated/pull/1300
• https://github.com/software-mansion/react-native-reanimated/pull/1329
• https://github.com/software-mansion/react-native-reanimated/pull/1358

🙌 Thank you for your contributions!

Note
Installation on iOS is now automatic and does not require any additional steps.

Patch release fixing <Animated.Code /> changes

🐛 Bug fixes

• [v1] Fix rerenders of <Code /> component (#1274) by @jakub-gonet

👍 Improvements

• [v1] Add dependency prop to Animated.Code type (#1141) by @jinshin1013

🙌 Thank you for your contributions!

❗ Important changes

WEB support - #1225

🐛 Bug fixes

fixed full reload - #1256
fix scrollTo #1226
fix reattaching of event handlers #1217

👍 Improvements

better caching - #1236
synchronous layout when possible and scroll events improvment #1215

🔢 Miscellaneous

tests improvements
types fixes
documentation improvements

🙌 Thank you for your contributions!

Note
From now on every object (which isn't created by useSharedValue hook) captured by worklet is frozen and as a result, no longer can be modified. It's a rare case when you may want to pass to worklet mutable value. However, if you need to you should pass a deep copy.

❗ Important changes

• rerender in rea2 hooks - https://github.com/software-mansion/react-native-reanimated/pull/1042 https://github.com/software-mansion/react-native-reanimated/pull/1165
• fix promises in callbacks - https://github.com/software-mansion/react-native-reanimated/pull/1160

🐛 Bug fixes

• fix major bug: crashes when using with navigation - https://github.com/software-mansion/react-native-reanimated/pull/1187
• fix color processing on js thread - https://github.com/software-mansion/react-native-reanimated/pull/1055/files
• fix scrollTo https://github.com/software-mansion/react-native-reanimated/pull/1119

👍 Improvements

• useAnimatedReaction - https://github.com/software-mansion/react-native-reanimated/pull/1019
• callbacks for animations - https://github.com/software-mansion/react-native-reanimated/pull/1153

🔢 Miscellaneous

• tests improved - https://github.com/software-mansion/react-native-reanimated/pull/1091
• CI fix - https://github.com/software-mansion/react-native-reanimated/pull/1133
• repair capturing in worklets, this includes both bug fixes and improvements - https://github.com/software-mansion/react-native-reanimated/pull/1174

🙌 Thank you for your contributions!

Note

Some of the names on iOS changed, mostly the rule refers to the names' prefixes: RE -> REA
Following cases have been detected:

• AppDelegate.mm:19
  #import <RNReanimated/REATurboModuleProvider.h>
• AppDelegate.mm:103
  return facebook::react::REATurboModuleClassProvider(name);
• AppDelegate.mm:109
  return facebook::react::REATurboModuleProvider(name, jsInvoker);
• AppDelegate.mm:116
  return facebook::react::REATurboModuleProvider(name, instance, jsInvoker);

Minor release fixing Reanimated support of RN 0.59 from 1.11.0

🐛 Bug fixes

• Revert "Update deprecated use of GuardedRunnable" (#1110) by @jakub-gonet

🔢 Miscellaneous

• Add TS check to CI (#1107) by @jakub-gonet

This release fixes a regression introduced in #538.

🐛 Bug fixes

• Fix non-animated properties in transform (#1104) by @jakub-gonet
• Fix initialisation of NodesManager (#1030) by @jakub-gonet

This release fixes setting values inside procs, refactors some internal code and fixes setValue in web.

❗ Important changes

• Update deprecated use of GuardedRunnable (#1031) by @jakub-gonet
  This change accidentally removed support for RN <=0.59, this is fixed in 1.13.0

🐛 Bug fixes

• Fix setting values inside procs (#1067) by @jakub-gonet
• Fix setValue() for web (#1088) by @jfolich

👍 Improvements

• Support translate array syntax, enables translateZ (#538) by @msand

🔢 Miscellaneous

• Remove dead code from animation classes (#1018) by @jakub-gonet
• Update Podfile.lock (#1101) by @jakub-gonet

🙌 Thank you for your contributions!

Patch release fixing some problems with procs and components flashing on the mount.

🐛 Bug fixes

• Fix flickering on mount (#1027) by @jakub-gonet
• Update proc type (#1029) by @jakub-gonet
• Fix macOS file extension (#1064) by @kaiguo
• Make diffClamp non-proc'ed (#1068) by @jakub-gonet
• Check if node is initialized when detaching (#1070) by @jakub-gonet
• Fix initial value for props (#1080) by @jakub-gonet

🙌 Thank you for your contributions!

What has changed since the last release?

• Typescript types Pull-Request. Big thanks to everyone involved especially to @renanmav 🙌

• Improved error handling 👮

• From now on you can cancel animation from JS thread. Pull-Request 🏃 🚶

• Synchronous methods measure and scrollTo with useAnimatedRef hook. Pull-request 📏 You can read more about them in our docs. measure-doc, scrollTo-doc

• Improved documentation 📃 Read here about our animations

• Stability improvements ⚓

Patch release fixing a bug with Animated.Code (passing nodes directly to exec showed a warning)

🐛 Bug fixes

• Fix passing nodes directly to the Animated.Code (#1009) by @jakub-gonet