Sebastian "Sebbie" Silbermann

Results 143 issues of Sebastian "Sebbie" Silbermann

React 19 is not released as stable yet. This is only ready for review to ping reviewers. `19.0.0-rc.0` has been released and if nothing urgent comes up, will be the...

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This might seem very naive but no test broke after removing them. I could only find a single note about a possible safari quirk (safari is currently not tested as...

This version does not produce deprecation warnings in React 18.3 (e.g. https://github.com/facebook/react/issues/29000). Breaking changes are only related to the supported Node.js version (now 16) and the used version of `@testing-library/dom`...

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Best reviewed without whitespace changes ## Description `defaultProps` are no longer supported on function components. To simplify migration, the components that do rely on the original defaultProps behavior were migrated...

## Summary Only smoke-tested the shell which revealed that `ProfilerContextController` could not be auto-memoized. It renders, `useSubscription` calls `setState` and that loops forever. `use no memo` on just `useSubscription` did...

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React Core Team

## Summary Noticed in https://github.com/facebook/react/pull/29088 that some of these test assertions rely on the fact that `Component` does not handle `children`. This is likely a bug with the test since...

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React Core Team

Not sure if this is appropriate here. `yarn` v2 no longer installs packages from arbitrary urls. Right now ```diff diff --git a/package.json b/package.json index 2f92273..b2e2b2a 100644 --- a/package.json +++ b/package.json...

### 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...

Type: Bug
Status: Unconfirmed
Component: Optimizing Compiler

## Summary Test reproducing https://github.com/facebook/react/issues/28923 ## How did you test this change? - `yarn test --watch packages/react-reconciler/src/__tests__/ReactUse-test.js -t "does not get stuck in pending state with usable values in state"`

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React Core Team
React 19