- - Introduced the dev‑only `captureOwnerStack` API, updated `useId` format, added dev warnings and removed `React.act` from production builds.
- - Expanded Suspense to work on client, server, and during hydration with improved hydration scheduling, priority handling, and reduced GC pressure; added streaming support and the experimental `unstable_prerender` API for React Server Co...
- - Added new DOM features (beforetoggle/toggle events on <dialog>, support for <script> and <template> inside <select>, exports field for useSyncExternalStore, Parcel integration) and fixed numerous bugs across React DOM, Native, and Serv...