React 19
10 pages in this section.
1
What's New in React 19
2react-19overviewmigrationnew-features
Server Components
3react-19server-componentsrscuse-client
Server Actions
4react-19server-actionsuse-servermutations
Form Actions
5react-19form-actionsuseActionStateuseFormStatus
use() Hook
6react-19usepromisescontext
useOptimistic
7react-19useOptimisticoptimistic-updatesforms
Ref as Prop
8react-19refforwardRefprops
Document Metadata
9react-19metadatatitlemeta
Asset Loading
10react-19preloadpreinitprefetchDNS
React Compiler
react-19compilerauto-memoizationreact-forget