React 19 is now stable! Additions since this post was originally shared with the React 19 RC in April: Pre-warming for suspended trees: see Improvements to Suspense. React DOM static APIs: see New React DOM Static APIs. The date for this post has been update to reflect the stable release date. In our React 19 Upgrade Guide, we shared step-by-step instructions for upgrading your app to React 19. In
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