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Framework UpdatesJuly 5, 2025•3 min read
React 19 Beta: What's New for Developers
React 19 beta introduces revolutionary features including automatic batching, improved concurrent features, and new hooks for better developer experience.
React 19 Beta: What's New for Developers
The React team has released the beta version of React 19, introducing several groundbreaking features that promise to revolutionize how we build user interfaces.
Major Updates
Automatic Batching
React 19 automatically batches state updates across different event sources, improving performance without code changes.
New Hooks
useOptimistic: Optimistically update UI before server confirmationuseFormStatus: Track form submission states easilyuse: Simplified data fetching and promise handling
Improved Concurrent Features
Enhanced Suspense boundaries and better streaming SSR support make building responsive applications easier.
Migration Guide
The React team has provided comprehensive migration guides and codemods to help developers upgrade smoothly from React 18.
Beta testing is ongoing, with the stable release expected in early 2025.