babel-preset-expo

The official Babel preset for Expo projects, enabling JSX, modern JavaScript, and React Native / web support. Current stable version is 55.0.18. Updated regularly alongside Expo SDK releases. Automatically configures transforms for Expo modules, React Native, and React Native Web. Differentiators: seamless integration with Expo toolchain, automatic platform detection (ios/android/web), and optimized settings for Metro bundler. Requires @babel/runtime and react-refresh for development reloading.