No support for 120Hz in React Native
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Needs: Triage :mag:
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Description
Description
React Native does not support ProMotion on iOS 15 with iPad Pro or iPhone 13 Pro, the performance monitor display up to 64FPS, how can I fix this
Setup:
- Macbook M1 Monterey
- Xcode 13
- iOS 15 Real device
- react native 0.66.3
Version
0.66.3
Output of react-native info
iOS Running app on iPhone 13 Pro Max
Steps to reproduce
Use iPhone 13 Pro Max with Performance monitor
Snack, code example, screenshot, or link to a repository
No response
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the issue on an iPhone 13 Pro Max running iOS 15 with React Native 0.66.3 and the Performance Monitor enabled. Trace how the monitor determines and displays FPS, then define the expected 120Hz behavior for ProMotion devices. Done means the monitor accurately reflects the device's supported refresh rate and the behavior is covered by an appropriate regression test.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- ios, react-native
- Domain
- mobile, performance
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100