Tag:React 19

All the articles with the tag "React 19".

• Avoiding Server Component Waterfall Fetching with React 19 cache()

  Updated:25 Aug 2026

  Learn how to use the React 19 cache() API in the Next.js App Router to optimize performance and avoid fetch waterfalls when using React Server Components.

• Coordinating Optimistic Updates in Next.js

  Published:13 Aug 2026

  Several changes can happen before the first save finishes. Here is how useActionState and useOptimistic keep those changes on screen while the saves run in order.

• Building Design Components with Action Props using Async React

  Published:23 Feb 2026

  Learn how to build reusable design components that expose action props and internally manage optimistic updates, loading states, and automatic rollback, so consumers just pass a value and an action.