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Bug: web animation cancel() followed by animate() behave oddly when requestAnimationFrame's involved

2

See repro: [tinyurl.com/4u85ehnh](https://t.co/3eMtHJfEQ5) Video of the glitch: https://x.com/_chenglou/status/1860978002643063054 Tldr on button click I cancel the existing animation and in `useLayoutEffect` I start a new one. The animation goes from translate...

chenglou

[React 19] Parameter order for server action when using `useActionState`

6

## Summary `useActionState` currently requires accepting an additional state argument as the _first_ parameter of a server action, like so (adapted from [Next.js documentation](https://nextjs.org/docs/app/building-your-application/data-fetching/server-actions-and-mutations#server-side-form-validation)): ```diff // in app/actions.ts -export async...

jonathanhefner

[DevTools Bug]: Component flashing many times but profiler says it was rendered once

1

### Website or app https://berrotools.vercel.app/signin ### Repro steps - Access the website https://berrotools.vercel.app/signin, you'll see a sign in form. - Open the DevTools, go to the Profiler tab and start...

rhberro

[compiler] "Rendered fewer hooks than expected" error when using a function that starts with an uppercase character

3

### What kind of issue is this? - [X] React Compiler core (the JS output is incorrect, or your app works incorrectly after optimization) - [ ] babel-plugin-react-compiler (build issue...

gimenete

Avoid GCC optimizations affecting function arity

1

Seems to not work. May have to wait for https://github.com/facebook/react/pull/31587 ## Summary Closes https://github.com/facebook/react/issues/31578 ## How did you test this change? Lint against optimization. It's more noisy than it needs...

eps1lon

## Summary When I declared a component as an async function and used React.use() to retrieve the parameter of a dynamic route within it, I received following error: ⨯ Internal...

emulatoriu

[Feature Request] Allow dependency length to change in hooks

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Not allowing dependency lists to change size limits the usefulness of `useMemo` in this particular use case but I imagine there are other similar use cases. To be clear I...

georeith

[Compiler]: All comments removed from source code

14

### What kind of issue is this? - [ ] React Compiler core (the JS output is incorrect, or your app works incorrectly after optimization) - [X] babel-plugin-react-compiler (build issue...

swissspidy

### What kind of issue is this? - [X] React Compiler core (the JS output is incorrect, or your app works incorrectly after optimization) - [ ] babel-plugin-react-compiler (build issue...

damianstasik

Align on HTML attribute/property casing (ie not camelCase)

7

## Summary I am cross-posting an issue I made with Preact and Voby https://github.com/preactjs/preact/issues/4555 https://github.com/vobyjs/voby/issues/45

titoBouzout