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Explore the major changes and new features introduced in React 19's stable release through this 11-minute tutorial video. Learn about the significant updates to server components and how they now function differently than before. Discover the new Actions feature and understand how to implement useActionState for managing form submissions and state updates. Master the useFormStatus hook for tracking form submission states and explore useOptimistic for creating responsive user interfaces with optimistic updates. Understand the distinction between client actions and server actions and when to use each approach. Examine the important changes to ref handling and how the Context API has been modified in this version. Learn to use the new use() hook for both consuming context and fetching data, providing more flexible patterns for data management. Get introduced to the React Compiler and its potential impact on performance optimization. Review additional changes and improvements that come with this stable release, ensuring you're up-to-date with the latest React development practices.
Syllabus
00:00 Intro
00:08 Server components
00:40 Actions
02:20 useActionState
04:28 useFormStatus
04:55 useOptimistic
06:23 Client action vs Server action
07:00 Ref changes
07:52 Context API changes
08:12 use for consuming context
09:00 use for fetching data
09:46 React Compiler
10:37 Other changes
Taught by
ByteGrad