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Today we're sharing that View Transitions and Activity are ready to try in the experimental channel, along with docs and updates on other areas we're actively working on: react.dev/blog/2025/04...

View Transitions are now ready to try in react@experimental. They’ve been tested in production and are stable, but the final API may change as we iterate on feedback. Check out the docs to see how to add animations to your React app: react.dev/reference/re...

To animate a transition, you can add <ViewTransition> around part of the app to declare “what” to animate. ViewTransition activates "when" an update is caused by an animation trigger like startTransition, useDeferredValue, or Suspense, and "how" to animate is defined in CSS.

Adding <ViewTransition> around part of the app cross-fades the content by default:

You can customize animations with props on ViewTransition: <ViewTransition default=”slow-fade”>

For shared element transitions, you can add a “name”. This will animate an item from one part of the app to another: <ViewTransition name={id}>

ViewTransition can also be triggered by Suspense, to animate content to replace the fallback:

ViewTransitions can also be triggered by useDeferredValue and animate lists:

Activity is also ready to try in react@experimental. Activity is a new component to hide and show parts of the UI: <Activity mode={isVisible ? 'visible' : 'hidden'}>

Activity allows you to pre-render parts of the app the user is likely to visit next, or restore state when a user returns to part of the app, so state like input fields isn’t lost:

Activity also includes SSR optimizations, and we may add more modes to Activity in the future. Check out the blog post and docs for more info: react.dev/blog/2025/04...