React Native 0.80: The New Architecture Is Finally Here

React Native's Biggest Update

React Native 0.80 marks a historic milestone — the New Architecture is now the default. After years of development, Fabric, TurboModules, and bridgeless mode are ready for production.

What's New

Fabric Renderer

• Direct C++ rendering engine
• Synchronous layout calculations
• 60fps animations by default
• Better gesture handling

TurboModules

• Lazy loading of native modules
• Type-safe bridge (via CodeGen)
• 50% faster native module initialization
• Automatic memory management

Bridgeless Mode

• No more bridge bottleneck
• Direct JSI communication
• Reduced memory footprint
• Faster startup times

Performance Improvements

Migration Guide

• Update to RN 0.80: npx react-native upgrade
• Run CodeGen: npx react-native codegen
• Update native modules to TurboModules
• Test thoroughly on both platforms

Conclusion

React Native 0.80 is a game-changer. The New Architecture delivers on its promise of native-like performance while maintaining the React development experience we love.