performance-optimization

Expert in React Native 0.83+ performance optimization including Hermes V1, React 19.2 concurrent features, Intersection Observer, Web Performance APIs, bundle size reduction, memory management, rendering optimization, FlashList, expo-image v2, memoization, lazy loading, code splitting. Activates for performance, slow app, lag, memory leak, bundle size, optimization, flatlist performance, re-render, fps, jank, startup time, app size, hermes, concurrent rendering.

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