Move AnimationBackend initialization from Animated by bartlomiejbloniarz · Pull Request #55103 · facebook/react-native

bartlomiejbloniarz · 2026-01-09T11:39:20Z

Summary:
This diff decouples AnimationBackend from Animated. Now the backend is intialized in the Scheduler, from where it's passed to UIManager. Animation frontends (such as Animated) can then obtain a reference to the backend, and use it to schedule animation frame updates.

Changelog

[General] [Changed] - Moved AnimationBackend initiailzation to Scheduler
[General] [Added] - AnimationChoreographer interface with an implementation for fantom tests

Differential Revision: D89663251

meta-codesync · 2026-01-09T11:39:37Z

@bartlomiejbloniarz has exported this pull request. If you are a Meta employee, you can view the originating Diff in D89663251.

github-actions · 2026-01-09T11:43:11Z

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react-native-github	publishAllToMavenTempLocal build	9.0.0	❌

github-actions · 2026-01-09T11:44:11Z

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github-actions · 2026-01-09T12:04:50Z

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Test All :: build_android

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github-actions · 2026-01-09T12:05:12Z

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github-actions · 2026-01-09T14:18:51Z

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Test All :: build_android

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github-actions · 2026-01-09T14:19:43Z

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github-actions · 2026-01-09T14:52:29Z

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Test All :: build_android

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react-native-github	publishAllToMavenTempLocal build	9.0.0	❌

github-actions · 2026-01-09T14:53:15Z

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github-actions · 2026-01-09T15:01:21Z

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Test All :: build_android

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react-native-github	publishAllToMavenTempLocal build	9.0.0	❌

github-actions · 2026-01-09T15:02:37Z

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react-native-github	:private:react-native-fantom:buildFantomTester	9.0.0	❌

Summary: Pull Request resolved: #55103 This diff decouples AnimationBackend from Animated. Now the backend is intialized in the Scheduler, from where it's passed to UIManager. Animation frontends (such as Animated) can then obtain a reference to the backend, and use it to schedule animation frame updates. # Changelog [General] [Changed] - Moved AnimationBackend initiailzation to `Scheduler` [General] [Added] - `AnimationChoreographer` interface with an implementation for fantom tests Differential Revision: D89663251

react-native-bot · 2026-01-09T15:15:50Z

This pull request was successfully merged by Bartlomiej Bloniarz in b090c23

^{When will my fix make it into a release? | How to file a pick request?}

github-actions · 2026-01-09T15:20:18Z

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Test All :: run_fantom_tests

Gradle Root Project	Requested Tasks	Gradle Version	Build Outcome	Build Scan®
react-native-github	:private:react-native-fantom:buildFantomTester	9.0.0	❌

github-actions · 2026-01-12T11:19:20Z

Job Summary for Gradle

Test All :: build_android

Gradle Root Project	Requested Tasks	Gradle Version	Build Outcome	Build Scan®
react-native-github	publishAllToMavenTempLocal build	9.0.0	❌

github-actions · 2026-01-12T11:20:05Z

Job Summary for Gradle

Test All :: run_fantom_tests

Gradle Root Project	Requested Tasks	Gradle Version	Build Outcome	Build Scan®
react-native-github	:private:react-native-fantom:buildFantomTester	9.0.0	❌

Summary: Pull Request resolved: #55103 This diff decouples AnimationBackend from Animated. Now the backend is intialized in the Scheduler, from where it's passed to UIManager. Animation frontends (such as Animated) can then obtain a reference to the backend, and use it to schedule animation frame updates. # Changelog [General] [Changed] - Moved AnimationBackend initiailzation to `Scheduler` [General] [Added] - `AnimationChoreographer` interface with an implementation for fantom tests Differential Revision: D89663251

react-native-bot · 2026-01-12T11:39:33Z

This pull request was successfully merged by Bartlomiej Bloniarz in ede988f

^{When will my fix make it into a release? | How to file a pick request?}

github-actions · 2026-01-12T11:44:24Z

Job Summary for Gradle

Test All :: run_fantom_tests

Gradle Root Project	Requested Tasks	Gradle Version	Build Outcome	Build Scan®
react-native-github	:private:react-native-fantom:buildFantomTester	9.0.0	❌

Summary: Pull Request resolved: #55103 This diff decouples AnimationBackend from Animated. Now the backend is intialized in the Scheduler, from where it's passed to UIManager. Animation frontends (such as Animated) can then obtain a reference to the backend, and use it to schedule animation frame updates. # Changelog [General] [Changed] - Moved AnimationBackend initiailzation to `Scheduler` [General] [Added] - `AnimationChoreographer` interface with an implementation for fantom tests Reviewed By: zeyap Differential Revision: D89663251

github-actions · 2026-01-13T13:46:01Z

Job Summary for Gradle

Test All :: run_fantom_tests

Gradle Root Project	Requested Tasks	Gradle Version	Build Outcome	Build Scan®
react-native-github	:private:react-native-fantom:buildFantomTester	9.0.0	❌

github-actions · 2026-01-16T12:43:11Z

Job Summary for Gradle

Test All :: run_fantom_tests

Gradle Root Project	Requested Tasks	Gradle Version	Build Outcome	Build Scan®
react-native-github	:private:react-native-fantom:buildFantomTester	9.0.0	❌

react-native-bot · 2026-01-16T12:46:27Z

This pull request was successfully merged by Bartlomiej Bloniarz in 55dc2441a608ea696d9f32dcfc2ede6f005a61e2

^{When will my fix make it into a release? | How to file a pick request?}

Summary: This diff decouples AnimationBackend from Animated. Now the backend is intialized in the Scheduler, from where it's passed to UIManager. Animation frontends (such as Animated) can then obtain a reference to the backend, and use it to schedule animation frame updates. # Changelog [General] [Changed] - Moved AnimationBackend initiailzation to `Scheduler` [General] [Added] - `AnimationChoreographer` interface with an implementation for fantom tests Reviewed By: zeyap Differential Revision: D89663251

…imationBackend to its own DisplayLink on iOS" (facebook#55103) Summary: Pull Request resolved: facebook#55103 This diff decouples AnimationBackend from Animated. Now the backend is intialized in the Scheduler, from where it's passed to UIManager. Animation frontends (such as Animated) can then obtain a reference to the backend, and use it to schedule animation frame updates. # Changelog [General] [Changed] - Moved AnimationBackend initiailzation to `Scheduler` [General] [Added] - `AnimationChoreographer` interface with an implementation for fantom tests Differential Revision: D89663251 Reviewed By: zeyap

react-native-bot · 2026-01-16T16:19:17Z

This pull request was successfully merged by Bartlomiej Bloniarz in f14b488

^{When will my fix make it into a release? | How to file a pick request?}

…imationBackend to its own DisplayLink on iOS" (#55103) Summary: Pull Request resolved: #55103 This diff decouples AnimationBackend from Animated. Now the backend is intialized in the Scheduler, from where it's passed to UIManager. Animation frontends (such as Animated) can then obtain a reference to the backend, and use it to schedule animation frame updates. # Changelog [General] [Changed] - Moved AnimationBackend initiailzation to `Scheduler` [General] [Added] - `AnimationChoreographer` interface with an implementation for fantom tests Differential Revision: D89663251 Reviewed By: zeyap

react-native-bot · 2026-01-20T09:05:15Z

This pull request was successfully merged by Bartlomiej Bloniarz in cc44e7c

^{When will my fix make it into a release? | How to file a pick request?}

react-native-bot · 2026-01-20T10:31:57Z

This pull request was successfully merged by Bartlomiej Bloniarz in f8564b4

^{When will my fix make it into a release? | How to file a pick request?}

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meta-codesync Bot closed this in f8564b4 Jan 20, 2026

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