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⚠️ React Native 0.79 (New Architecture) – Common Issues & Quick Fixes

React Native 0.79 (New Architecture) – Common Issues & Fixes

With React Native 0.79 (part of Expo SDK 53), the New Architecture — which includes TurboModules, Fabric, and JSI — is now enabled by default. While this delivers better performance and platform-native alignment, many developers are encountering critical issues while upgrading or starting fresh projects.


🔍 Brief: What’s Going Wrong?

1. Third-Party Library Crashes

Libraries like react-native-maps or @stripe/stripe-react-native might crash due to incompatibility with TurboModules or Fabric rendering.

2. Build & Runtime Errors

Common issues include build failures related to CMake, Hermes, or JSI, and runtime UI bugs — especially on Android with edge-to-edge layout behavior.

3. Component Rendering Issues

Blank screens, flickering components, or gesture conflicts due to changes in how the new rendering system manages views.

✅ Solutions & Fixes

1. Test with New Architecture Off

Temporarily disable it using this environment flag:

EX_DEV_LAUNCHER_DISABLE_NEW_ARCH=1 expo start

Or toggle it inside app.config.js under experimental if you're using Expo.

2. Update All Dependencies

  • react-native-reanimated
  • react-native-gesture-handler
  • react-navigation, react-native-screens
  • Any third-party UI library you're using

3. Fix or Replace Incompatible Libraries

For example:

  • Use expo-maps instead of react-native-maps
  • Prefer JS-based or Expo-supported modules for compatibility
  • Look for “New Architecture” support in library documentation

4. Clean Build Caches

After toggling the architecture or upgrading, always clean your builds:


rm -rf node_modules android/.cxx ios/DerivedData
npm install
expo start -c

5. Use Expo & Community Support

Engage with the developer community and maintainers on:

  • https://forums.expo.dev
  • GitHub issues on expo/expo and facebook/react-native
  • Follow release notes and patch versions

📌 Summary

React Native’s New Architecture is a major step forward — but requires careful migration. Start with safe toggling, update dependencies, clean your environment, and lean on the community. With a bit of caution, you can enjoy improved performance and future-ready app infrastructure.

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