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Even with a completely empty React Native project, performance drops significantly when interacting with the screen (e.g., touching anywhere). The frame rate quickly falls below 60 FPS, even though there’s no content or rendering complexity.
📱 Reproduction Steps
1. Create a new React Native project (e.g., using npx react-native init TestApp)
2. Use the following code in App.js:
import React from 'react';
import { View } from 'react-native';
export default function App() {
return (
<View style={{ flex: 1 , alignItems:'center', justifyContent:'center', backgroundColor:'pink'}} />
);
}
3. Run the app on a physical device
4. Touch anywhere on the screen
🧪 Expected Behavior
Frame rate should remain at 60 FPS since there’s no content or computation in the app.
❗ Actual Behavior
Frame rate drops immediately after interaction. It feels sluggish even though the app is empty.
IMG_3472.MOV
React Native Version
0.77.2
Affected Platforms
Runtime - Android
Output of npx @react-native-community/cli info
info Fetching system and libraries information...
System:
OS: macOS 15.2
CPU: (8) arm64 Apple M1 Pro
Memory: 647.45 MB / 32.00 GB
Shell:
version: "5.9"
path: /bin/zsh
Binaries:
Node:
version: 20.18.1
path: ~/.nvm/versions/node/v20.18.1/bin/node
Yarn:
version: 1.22.22
path: ~/.nvm/versions/node/v20.18.1/bin/yarn
npm:
version: 10.8.2
path: ~/.nvm/versions/node/v20.18.1/bin/npm
Watchman:
version: 2025.04.28.00
path: /opt/homebrew/bin/watchman
Managers:
CocoaPods:
version: 1.16.2
path: /Users/brian/.rbenv/shims/pod
SDKs:
iOS SDK:
Platforms:
- DriverKit 24.2
- iOS 18.2
- macOS 15.2
- tvOS 18.2
- visionOS 2.2
- watchOS 11.2
Android SDK: Not Found
IDEs:
Android Studio: 2022.1 AI-221.6008.13.2211.9619390
Xcode:
version: 16.2/16C5032a
path: /usr/bin/xcodebuild
Languages:
Java:
version: 24.0.1
path: /usr/bin/javac
Ruby:
version: 2.7.6
path: /Users/brian/.rbenv/shims/ruby
npmPackages:
"@react-native-community/cli":
installed: 16.0.2
wanted: 16.0.2
react:
installed: 18.3.1
wanted: 18.3.1
react-native:
installed: 0.77.2
wanted: 0.77.2
react-native-macos: Not Found
npmGlobalPackages:
"*react-native*": Not Found
Android:
hermesEnabled: true
newArchEnabled: true
iOS:
hermesEnabled: true
newArchEnabled: true
info React Native v0.80.0 is now available (your project is running on v0.77.2).
info Changelog: https://github.com/facebook/react-native/releases/tag/v0.80.0
info Diff: https://react-native-community.github.io/upgrade-helper/?from=0.77.2&to=0.80.0
info For more info, check out "https://reactnative.dev/docs/upgrading?os=macos".
Stacktrace or Logs
info Fetching system and libraries information...
System:
OS: macOS 15.2
CPU: (8) arm64 Apple M1 Pro
Memory: 647.45 MB / 32.00 GB
Shell:
version: "5.9"
path: /bin/zsh
Binaries:
Node:
version: 20.18.1
path: ~/.nvm/versions/node/v20.18.1/bin/node
Yarn:
version: 1.22.22
path: ~/.nvm/versions/node/v20.18.1/bin/yarn
npm:
version: 10.8.2
path: ~/.nvm/versions/node/v20.18.1/bin/npm
Watchman:
version: 2025.04.28.00
path: /opt/homebrew/bin/watchman
Managers:
CocoaPods:
version: 1.16.2
path: /Users/brian/.rbenv/shims/pod
SDKs:
iOS SDK:
Platforms:
- DriverKit 24.2
- iOS 18.2
- macOS 15.2
- tvOS 18.2
- visionOS 2.2
- watchOS 11.2
Android SDK: Not Found
IDEs:
Android Studio: 2022.1 AI-221.6008.13.2211.9619390
Xcode:
version: 16.2/16C5032a
path: /usr/bin/xcodebuild
Languages:
Java:
version: 24.0.1
path: /usr/bin/javac
Ruby:
version: 2.7.6
path: /Users/brian/.rbenv/shims/ruby
npmPackages:
"@react-native-community/cli":
installed: 16.0.2
wanted: 16.0.2
react:
installed: 18.3.1
wanted: 18.3.1
react-native:
installed: 0.77.2
wanted: 0.77.2
react-native-macos: Not Found
npmGlobalPackages:
"*react-native*": Not Found
Android:
hermesEnabled: true
newArchEnabled: true
iOS:
hermesEnabled: true
newArchEnabled: true
info React Native v0.80.0 is now available (your project is running on v0.77.2).
info Changelog: https://github.com/facebook/react-native/releases/tag/v0.80.0
info Diff: https://react-native-community.github.io/upgrade-helper/?from=0.77.2&to=0.80.0
info For more info, check out "https://reactnative.dev/docs/upgrading?os=macos".
Description
IMG_3472.MOV
Steps to reproduce
🐞 Bug Report: Empty Project Drops Below 60 FPS on Interaction
📝 Description
Even with a completely empty React Native project, performance drops significantly when interacting with the screen (e.g., touching anywhere). The frame rate quickly falls below 60 FPS, even though there’s no content or rendering complexity.
📱 Reproduction Steps
1. Create a new React Native project (e.g., using npx react-native init TestApp)
2. Use the following code in App.js:
🧪 Expected Behavior
Frame rate should remain at 60 FPS since there’s no content or computation in the app.
❗ Actual Behavior
Frame rate drops immediately after interaction. It feels sluggish even though the app is empty.
IMG_3472.MOV
React Native Version
0.77.2
Affected Platforms
Runtime - Android
Output of
npx @react-native-community/cli infoStacktrace or Logs
MANDATORY Reproducer
.
Screenshots and Videos
No response