React Native New Architecture: Fabric & Turbo Modules Guide

Understanding React Native's New Architecture

React Native's New Architecture replaces the legacy asynchronous JSON Bridge with direct C++ JavaScript Interface (JSI) bindings.

Core Components

1. Fabric Renderer: Replaces the old UI Manager, delivering synchronous layout calculation and fluid 60 FPS animations.

2. Turbo Modules: Lazy-loads native modules (Camera, Bluetooth, Location) on demand rather than at app launch, reducing memory usage by 40%.

3. JSI (JavaScript Interface): Allows JavaScript code to invoke C++ native host objects directly without JSON serialization.

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