React Release notes from Meta

React 19.3.0 (September 9, 2026)

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...