Below is a list of all new features, APIs, and bug fixes. Read the React 19.3 release post for more information. New React Features <ViewTransition />: Adds <ViewTransition /> and addTransitionType APIs to power View Transition animations in React (@sebmarkbage, @jackpope, @gaearon: #31975, #31987, #31996, #31999, #32001, #32002, #32028, #32029, #32031, #32034, #32038, #32041, #32050, #32090, #321…
React Server Components Performance improvements when decoding (#37087 by @eps1lon)
React Server Components Performance improvements when decoding (#37088 by @eps1lon)
React Server Components Performance improvements when decoding (#37089 by @eps1lon)
React Server Components Fixed missing FormData entries in Server Actions which regressed in 19.2.6 (#36566 by @unstubbable)
React Server Components Fixed missing FormData entries in Server Actions which regressed in 19.1.7 (#36567 by @unstubbable)
React Server Components Fixed missing FormData entries in Server Actions which regressed in 19.0.6 (#36568 by @unstubbable)
React Server Components Type hardening and performance improvements (#36425 by @eps1lon and @unstubbable)
React Server Components Type hardening and performance improvements (#36425 by @eps1lon and @unstubbable)
React Server Components Type hardening and performance improvements (#36425 by @eps1lon and @unstubbable)
This release adds ESLint v10 support, improves performance by skipping compilation for non-React files, and includes compiler lint improvements including better set-state-in-effect detection, improved ref validation, and more helpful error reporting. Add ESLint v10 support. (@azat-io in #35720) Skip compilation for non-React files to improve performance. (@josephsavona in #35589) Fix exhaustive de…
Note: 7.1.0 accidentally removed the component-hook-factories rule, causing errors for users who referenced it in their ESLint config. This is now fixed. Add deprecated no-op component-hook-factories rule for backwards compatibility. (@mofeiZ in #36307)
React Server Components Add more cycle protections (#36236 by @eps1lon and @unstubbable)
React Server Components Add more cycle protections (#36236 by @eps1lon and @unstubbable)