vercel-react-best-practices

To use React 19 Server Components and Streaming in Next.js 16, leverage modern architectural patterns like async request APIs and data caching. This approach ensures faster server-side rendering and more maintainable production-grade applications.

The best way to handle data fetching and caching in Next.js 16 is by using core patterns like async request APIs and the unstable_cache function. These methods optimize server-side performance and streamline data management for React apps.

Implement optimistic UI in React 19 by using the useOptimistic primitive to immediately reflect expected state changes before server confirmation. Combine this with useActionState for handling Server Actions to enhance data handling and user experience.

Yes, you can unwrap promises directly in React 19 components by using the use() primitive. This allows you to access resolved values within your components, streamlining asynchronous data handling without manual effect hooks.

You need to store event handlers in refs using the advanced-event-handler-refs rule to maintain stable subscriptions. This prevents unnecessary re-renders and listener reattachments, optimizing client-side rendering performance.

While unstable_cache optimizes server-side data fetching in Next.js 16, its API may change in future releases. Monitor performance optimizations carefully as you implement this strategy for bundle size reduction and efficient rendering.