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React
Framework / Tool

React

A JavaScript library for building component-based user interfaces with a focus on efficiency and scalability.

v19.0

React 19 RC

December 5, 2024
major Update

Key Changes

  • Actions: Support for async functions in transitions
  • New hook: useActionState for form handling
  • New hook: useOptimistic for optimistic updates
  • New API: use for reading resources in render
  • Server Components and Server Actions
v18.2

React 18.2.0

June 14, 2022
minor Update

Key Changes

  • Performance improvements
  • Bug fixes for Concurrent React
  • Stable release of many 18.0 features