React 19 changes the game with form actions, auto-memoization, optimistic updates, and simplified state management. This guide breaks it all down—no fluff, just powerful new workflows.
⚙️ You’ll Discover: ✅ How to use useActionState, useOptimistic, and useFormStatus ✅ Simplified form submissions with the new action prop ✅ React Compiler and native performance boosts ✅ The use API for async data and context without boilerplate ✅ Direct metadata management (without React Helmet)
If you're still coding React like it’s 2020, you’re missing out. This is how modern React works—and feels.