In this video, we will look at some of the features of React 19 including the React compiler, use() hook, form actions, new hooks like useFormState(), useFormStatus() and useOptimistic().

Code:
https://github.com/bradtraversy/react...

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Timestamps:
0:00 - Intro
1:24 - Compiler Info (Slide)
3:05 - Automatic Memoization (Slide)
4:04 - use() Hook Info (Slide)
4:57 - use client & use server (Slide)
5:43 - Actions (Slide)
6:54 - useOptimistic (Slide)
7:40 - Metadata (Slide)
8:06 - Other Changes (Slide)
9:48 - React 19 Playground Intro
10:53 - use() Hook to Fetch Joke
15:34 - use() Hook to Fetch Posts
17:05 - use() Hook with Promise
21:16 - use() Hook with Context
23:32 - Action Example 1 - Post Form
29:25 - Action Example 2 - Shopping Cart Form
35:25 - useFormStatus()
39:49 - useFormState()
44:12 - useOptimistic()