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[New Arch] useAnimatedDriver does not animate when new architecture is enabled #2661

@SeanBarker182

Description

@SeanBarker182

Description

When using the Animated library from React Native enabling useNativeDriver causes the animation to not run

Steps to reproduce

  1. Install pods using npm run pod:new:arc
  2. Start the application with npm run macos:new:arc
  3. Click the "Fade" button below the red box (useNativeDriver: false)
  4. Observe the animation running
  5. Click the "Fade" button below the blue box (useNativeDriver: true)
  6. Observe no animation

React Native Version

0.78.3

Affected Platforms

Runtime - Desktop

Areas

Fabric - The New Renderer

Output of npx @react-native-community/cli info

info Fetching system and libraries information...
System:
  OS: macOS 15.6
  CPU: (16) arm64 Apple M4 Max
  Memory: 1.20 GB / 48.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 24.5.0
    path: ~/.nvm/versions/node/v24.5.0/bin/node
  Yarn:
    version: 1.22.22
    path: ~/.nvm/versions/node/v24.5.0/bin/yarn
  npm:
    version: 11.5.1
    path: ~/.nvm/versions/node/v24.5.0/bin/npm
  Watchman: Not Found
Managers:
  CocoaPods:
    version: 1.16.2
    path: /Users/seanbarker/.rbenv/shims/pod
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 24.5
      - iOS 18.5
      - macOS 15.5
      - tvOS 18.5
      - visionOS 2.5
      - watchOS 11.5
  Android SDK: Not Found
IDEs:
  Android Studio: 2025.1 AI-251.26094.121.2512.13840223
  Xcode:
    version: 16.4/16F6
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 17.0.16
    path: /opt/homebrew/opt/openjdk@17/bin/javac
  Ruby:
    version: 3.2.2
    path: /Users/seanbarker/.rbenv/shims/ruby
npmPackages:
  "@react-native-community/cli":
    installed: 15.0.1
    wanted: 15.0.1
  react:
    installed: 19.0.0
    wanted: 19.0.0
  react-native:
    installed: 0.78.3
    wanted: 0.78.3
  react-native-macos:
    installed: 0.78.6
    wanted: ^0.78.6
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: true
  newArchEnabled: true
iOS:
  hermesEnabled: true
  newArchEnabled: false

info React Native v0.81.1 is now available (your project is running on v0.78.3).
info Changelog: https://github.com/facebook/react-native/releases/tag/v0.81.1
info Diff: https://react-native-community.github.io/upgrade-helper/?from=0.78.3&to=0.81.1
info For more info, check out "https://reactnative.dev/docs/upgrading?os=macos".

Stacktrace or Logs

No stack trace

Reproducer

https://github.com/SeanBarker182/rnMacosRepro

Screenshots and Videos

Legacy Architecture

Screen.Recording.2025-08-28.at.12.20.12.PM.mov

New Architecture

Screen.Recording.2025-08-28.at.12.15.29.PM.mov

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