software-mansion

software-mansion/react-native-reanimated

React Native's Animated library reimplemented

Stars: 11k
Forks: 1.5k
Open beginner issues: 0
Indexed issues: 197
Avg merge: 3d 4h
Merged PRs (30d): 172

Dominant language: TypeScript
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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197 open issues indexed

Consolidate shared element transition state and hidden view tracking Open

Maintainer issue Missing info Missing repro

software-mansion/react-native-reanimated#10574 · 2 comments · 1 assignee · Opened Sep 16, 2026
[4.6.0] Late animated props such as contentOffset are synced into style Open

Missing info Missing repro

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

software-mansion/react-native-reanimated#10560 · 2 comments · Opened Sep 16, 2026
rAF performOperations → cloneShadowTreeWithNewProps use-after-free (EXC_BAD_ACCESS) on New Arch iOS — regression, not fixed by 4.3.1, no fix through 4.6.0 Open

Platform: iOS Repro provided

software-mansion/react-native-reanimated#10543 · 1 comment · 1 assignee · Opened Sep 14, 2026
[Fabric] AnimatedPropsRegistry::syncedTags_ grows when views unmount while their animation is still running Open

Platform: Android Repro provided

Difficulty 4/5 3-5 days Newbie friendliness 52/100

software-mansion/react-native-reanimated#10535 · Opened Sep 14, 2026
Reanimated 4.4.4 cherry-pick thread Open

Maintainer issue

Difficulty 3/5 1-2 days Newbie friendliness 35/100

software-mansion/react-native-reanimated#10534 · Opened Sep 14, 2026
Fabric shadow subtrees of unmounted components using useSharedValue/useAnimatedStyle stay retained (native heap grows per screen visit) — reproduced on 4.5.1, 4.5.5 and 4.6.0 Open

Missing info Missing repro

software-mansion/react-native-reanimated#10521 · 3 comments · 1 assignee · Opened Sep 11, 2026
[4.3.0 regression] `FORCE_REACT_RENDER_FOR_SETTLED_ANIMATIONS` drops the remeasure of a React commit clearing a multiline TextInput (RN 0.83, Fabric) Open

Missing repro Platform: iOS

Difficulty 4/5 3-5 days Newbie friendliness 45/100

software-mansion/react-native-reanimated#10499 · 1 comment · 1 reaction · Opened Sep 10, 2026
[Android] After first text animation, text in TextInput is vertically clipped Open

Missing info Missing repro Platform: iOS

Difficulty 4/5 3-5 days Newbie friendliness 45/100

software-mansion/react-native-reanimated#10483 · 2 comments · Opened Sep 9, 2026
Held animated opacity reverts to initial value for 2–3 frames during a navigator swap with USE_COMMIT_HOOK_ONLY_FOR_REACT_COMMITS enabled (default since 4.3.0) Open

Missing repro Platform: Android Platform: iOS

Difficulty 4/5 3-5 days Newbie friendliness 42/100

software-mansion/react-native-reanimated#10444 · 1 comment · Opened Aug 31, 2026
[Android][RN 0.86] Stale synchronous prop updates flood the UI thread after animated views unmount (repro + verified fix) Open

Platform: Android Repro provided

Difficulty 4/5 3-5 days Newbie friendliness 55/100

software-mansion/react-native-reanimated#10434 · 1 reaction · Opened Aug 28, 2026
[Fabric] Layout animations behave inconsistently when toggling display: none Open

Missing info Missing repro Platform: Android Platform: iOS

Difficulty 4/5 3-5 days Newbie friendliness 45/100

software-mansion/react-native-reanimated#10396 · 2 comments · Opened Aug 25, 2026
Give LayoutAnimationsManager configuration a surface lifetime identity Open

Missing info Missing repro

software-mansion/react-native-reanimated#10394 · 2 comments · 1 assignee · Opened Aug 24, 2026
Crash asserting `getValueUnpacker` while app is booting, from calling `runOnUISync` Open

Close when stale Missing repro Platform: iOS

software-mansion/react-native-reanimated#10378 · 3 comments · 1 assignee · Opened Aug 22, 2026
[Android] Regression in 4.4.x: synchronous mount flush during event dispatch re-enters FragmentManager mid-transaction ("FragmentManager is already executing transactions" via react-native-screens) Open

Missing repro Platform: Android

Difficulty 4/5 3-5 days Newbie friendliness 43/100

software-mansion/react-native-reanimated#10316 · 1 comment · Opened Aug 17, 2026
[Android] ANR: synchronouslyUpdateUIProps prints full stack traces on the UI thread when the view tag is unmounted (RN 0.86 reflection path) Open

Missing repro Platform: Android

Difficulty 3/5 1-2 days Newbie friendliness 70/100

software-mansion/react-native-reanimated#10280 · 3 comments · 4 reactions · Opened Aug 14, 2026
[Android] SIGSEGV in executeLayoutAnimationsRequests: performOperations races invalidateCpp at ReactHost teardown (null ReanimatedModuleProxy) Open

Missing repro Platform: Android

Difficulty 4/5 3-5 days Newbie friendliness 48/100

software-mansion/react-native-reanimated#10279 · 1 comment · Opened Aug 14, 2026
Define and preserve ReanimatedMountHook behavior with USE_ANIMATION_BACKEND Open

Missing info Missing repro

software-mansion/react-native-reanimated#10246 · 2 comments · 1 reaction · 1 assignee · Opened Aug 12, 2026
[iOS] Animated transform survives Fabric view recycling — remounted views paint the previous occupant's transform when no shared value changes Open

Missing repro Platform: Android Platform: iOS

Difficulty 5/5 Over a week Newbie friendliness 35/100

software-mansion/react-native-reanimated#10206 · 2 comments · Opened Aug 11, 2026
[LA][Android] The last FlatList item sometimes blinks during an item removal animation Open

Area: Layout Animations Maintainer issue

software-mansion/react-native-reanimated#10202 · 1 assignee · Opened Aug 10, 2026
Bundle Mode: worklets in async chunks are unresolvable, and the failure aborts the process instead of throwing Open

Platform: iOS Repro provided

software-mansion/react-native-reanimated#10162 · 1 assignee · Opened Aug 6, 2026
Growing view during entering animation leaves content untappable Open

Reproducible 🎉

Difficulty 4/5 3-5 days Newbie friendliness 62/100

software-mansion/react-native-reanimated#10161 · 1 comment · 1 reaction · Opened Aug 6, 2026
`ANDROID_`/`IOS_SYNCHRONOUSLY_UPDATE_UI_PROPS` breaks Pressables from react-native inside animated views Open

Maintainer issue

Difficulty 4/5 3-5 days Newbie friendliness 48/100

software-mansion/react-native-reanimated#10121 · 1 comment · Opened Aug 3, 2026
`withTiming` never advances during a ~10-20s window after cold start in release builds (UI-runtime frame stepping stalled), while direct `.value` writes still render Open

Platform: iOS Repro provided

Difficulty 4/5 3-5 days Newbie friendliness 38/100

software-mansion/react-native-reanimated#10094 · Opened Jul 30, 2026
[Worklets] Libraries must not access RN native modules at module evaluation on Worklet Runtimes (Bundle Mode) Open

Missing repro Platform: Android Platform: iOS

software-mansion/react-native-reanimated#9982 · 2 comments · 1 assignee · Opened Jul 17, 2026
[SET] Cancelled screen close permanently disables shared element transitions (resync waits forever) Open

Missing repro Platform: iOS

software-mansion/react-native-reanimated#9945 · 1 comment · 1 assignee · Opened Jul 13, 2026
[SET] Return transitions race the boundary's isActive update on pop (Android) — back animation intermittently missing Open

Missing repro Platform: Android

software-mansion/react-native-reanimated#9944 · 1 comment · 1 assignee · Opened Jul 13, 2026
[Worklets] Bundle Mode is incompatible with apps using multiple top-level Metro bundles (React.lazy / dynamic import() code-splitting) Open

Missing info Platform: Android Platform: iOS Repro provided

software-mansion/react-native-reanimated#9933 · 8 comments · 1 assignee · Opened Jul 10, 2026
Worklets Bundle Mode potential high memory consumption in development Open

Maintainer issue

Difficulty 5/5 Over a week Newbie friendliness 35/100

software-mansion/react-native-reanimated#9913 · 1 comment · 5 reactions · Opened Jul 8, 2026
SIGSEGV (null deref) in LayoutAnimationsProxy_Experimental::pullTransaction on launch with ENABLE_SHARED_ELEMENT_TRANSITIONS (RN 0.84, Android/Fabric) Open

Platform: Android Repro provided

Difficulty 4/5 3-5 days Newbie friendliness 55/100

software-mansion/react-native-reanimated#9907 · Opened Jul 7, 2026
[Worklets] Bundle Mode: react-native shim breaks with resolvers that remap `react-native` (e.g. uniwind) → infinite NativeModules recursion Open

Missing info Repro provided

software-mansion/react-native-reanimated#9817 · 6 comments · 4 reactions · 1 assignee · Opened Jul 1, 2026
`:focus` / `:focus-within` never fire on tvOS (focus engine not observed) Open

Platform: iOS Repro provided

Difficulty 3/5 1-2 days Newbie friendliness 72/100

software-mansion/react-native-reanimated#9810 · 1 comment · Opened Jul 1, 2026
[Android][RN 0.86][Fabric] Crash in SurfaceMountingManager when React Navigation stack animations are enabled Open

Missing info Missing repro Platform: Android

software-mansion/react-native-reanimated#9785 · 4 comments · 1 assignee · Opened Jun 28, 2026
Fix: Android build fails with NDK 27 (Clang 18) due to -Werror and new deprecation/VLA warnings Open

Missing info Missing repro

Difficulty 1/5 1-3 hours Newbie friendliness 58/100

software-mansion/react-native-reanimated#9571 · 3 comments · Opened May 30, 2026
Shared Element Transition Image flickering on start transition in iOS Open

Missing info Missing repro Platform: iOS

Difficulty 4/5 3-5 days Newbie friendliness 48/100

software-mansion/react-native-reanimated#9491 · 3 comments · 1 reaction · Opened May 22, 2026
Android build fails on RN 0.82.1 + NDK 27.1: ANDROID_STL=c++_shared not consumed, libc++_shared not linked Open

Platform: Android Platform: iOS Platform: Web Repro provided

software-mansion/react-native-reanimated#9444 · 2 comments · 1 assignee · Opened May 18, 2026
[iOS] EXC_BAD_ACCESS in performOperations from handleRawEvent during screen pop on 4.3.1 Open

Missing repro Platform: iOS

Difficulty 5/5 Over a week Newbie friendliness 35/100

software-mansion/react-native-reanimated#9402 · 6 comments · 9 reactions · Opened May 12, 2026
Reanimated v4.3.1 causes a white flash on screen navigation on Android Open

Platform: Android Repro provided

Difficulty 4/5 3-5 days Newbie friendliness 48/100

software-mansion/react-native-reanimated#9377 · 1 comment · 1 reaction · Opened May 11, 2026
Weak support for `pointerEvents` in Entering/Exiting Animations Open

Missing info Missing repro Platform: iOS

Difficulty 4/5 3-5 days Newbie friendliness 48/100

software-mansion/react-native-reanimated#9344 · 6 comments · Opened May 5, 2026
Layout Animation not working as expected with <Activity> Open

Missing repro Platform: iOS

software-mansion/react-native-reanimated#9319 · 2 comments · 1 assignee · Opened Apr 30, 2026
CMake Error in CMakeLists.txt: Imported target "react-native-worklets::worklets" includes non-existent path Open

Missing repro Platform: Android

software-mansion/react-native-reanimated#9263 · 9 comments · 4 reactions · 1 assignee · Opened Apr 16, 2026
[Android] Possible memory leak when repeatedly toggling conditional Animated.View with entering/exiting animations Open

Missing repro Platform: Android Platform: iOS

Difficulty 4/5 3-5 days Newbie friendliness 48/100

software-mansion/react-native-reanimated#9250 · 3 comments · 4 reactions · Opened Apr 13, 2026
[Worklets] Babel plugin exception: ENOENT: no such file or directory, open '.../react-native-worklets/.worklets/13975423912094.js' Open

Platform: Android Platform: iOS Repro provided

software-mansion/react-native-reanimated#9215 · 13 comments · 3 reactions · 1 assignee · Opened Apr 5, 2026
Inconsistency between compatibility table and actual performance Open

Missing repro Platform: iOS

software-mansion/react-native-reanimated#9089 · 4 comments · 1 reaction · 1 assignee · Opened Mar 11, 2026
[Brownfield RN iOS] Reanimated crash on JS runtime initialization Open

Missing info Missing repro Platform: iOS

software-mansion/react-native-reanimated#9087 · 3 comments · 1 assignee · Opened Mar 11, 2026
`scrollTo` performance regression on a new architecture Open

Platform: Android Repro provided

Difficulty 4/5 3-5 days Newbie friendliness 38/100

software-mansion/react-native-reanimated#9000 · 7 comments · Opened Feb 23, 2026
Production Crashes on Android - java.lang.NullPointerException. Open

Missing info Missing repro Platform: Android

Difficulty 4/5 3-5 days Newbie friendliness 28/100

software-mansion/react-native-reanimated#8985 · 6 comments · Opened Feb 18, 2026
Upgraded from v3 to v4: whole UI stuck/freeze Open

Missing repro Platform: Android

software-mansion/react-native-reanimated#8967 · 15 comments · 1 reaction · 1 assignee · Opened Feb 15, 2026
Performance issues with `createAnimatedComponent` + `expo-image` Open

Missing info Missing repro Platform: iOS

Difficulty 4/5 3-5 days Newbie friendliness 32/100

software-mansion/react-native-reanimated#8946 · 8 comments · Opened Feb 10, 2026
[Android] Fix CMake build on React Native 0.81: use jsctooling instead of jscexecutor Open

Missing repro Platform: Android

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

software-mansion/react-native-reanimated#8906 · 1 comment · Opened Feb 1, 2026
[worklets][bundle mode] Error: getPropertyAsObject: property '__reportFatalRemoteError' is undefined Open

Platform: Android Repro provided

software-mansion/react-native-reanimated#8904 · 2 comments · 1 assignee · Opened Feb 1, 2026

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