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@depfu depfu bot commented Oct 8, 2025

Here is everything you need to know about this upgrade. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ react (19.1.1 → 19.2.0) · Repo · Changelog

Release Notes

19.2.0

Below is a list of all new features, APIs, and bug fixes.

Read the React 19.2 release post for more information.

New React Features

  • <Activity>: A new API to hide and restore the UI and internal state of its children.
  • useEffectEvent is a React Hook that lets you extract non-reactive logic into an Effect Event.
  • cacheSignal (for RSCs) lets your know when the cache() lifetime is over.
  • React Performance tracks appear on the Performance panel’s timeline in your browser developer tools

New React DOM Features

  • Added resume APIs for partial pre-rendering with Web Streams:
  • Added resume APIs for partial pre-rendering with Node Streams:
  • Updated prerender APIs to return a postponed state that can be passed to the resume APIs.

Notable changes

  • React DOM now batches suspense boundary reveals, matching the behavior of client side rendering. This change is especially noticeable when animating the reveal of Suspense boundaries e.g. with the upcoming <ViewTransition> Component. React will batch as much reveals as possible before the first paint while trying to hit popular first-contentful paint metrics.
  • Add Node Web Streams (prerender, renderToReadableStream) to server-side-rendering APIs for Node.js
  • Use underscore instead of : IDs generated by useId

All Changes

React

React DOM

React Server Components

React Reconciler

eslint-plugin-react-hooks@6.1.0

Note: Version 6.0.0 was mistakenly released and immediately deprecated and untagged on npm. This is the first official 6.x major release and includes breaking changes.

  • Breaking: Require Node.js 18 or newer. (@michaelfaith in #32458)
  • Breaking: Flat config is now the default recommended preset. Legacy config moved to recommended-legacy. (@michaelfaith in #32457)
  • New Violations: Disallow calling use within try/catch blocks. (@poteto in #34040)
  • New Violations: Disallow calling useEffectEvent functions in arbitrary closures. (@jbrown215 in #33544)
  • Handle React.useEffect in addition to useEffect in rules-of-hooks. (@Ayc0 in #34076)
  • Added react-hooks settings config option that to accept additionalEffectHooks that are used across exhaustive-deps and rules-of-hooks rules. (@jbrown215) in #34497

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by more commits than we can show here.

✳️ react-dom (19.1.1 → 19.2.0) · Repo · Changelog

Release Notes

19.2.0

Below is a list of all new features, APIs, and bug fixes.

Read the React 19.2 release post for more information.

New React Features

  • <Activity>: A new API to hide and restore the UI and internal state of its children.
  • useEffectEvent is a React Hook that lets you extract non-reactive logic into an Effect Event.
  • cacheSignal (for RSCs) lets your know when the cache() lifetime is over.
  • React Performance tracks appear on the Performance panel’s timeline in your browser developer tools

New React DOM Features

  • Added resume APIs for partial pre-rendering with Web Streams:
  • Added resume APIs for partial pre-rendering with Node Streams:
  • Updated prerender APIs to return a postponed state that can be passed to the resume APIs.

Notable changes

  • React DOM now batches suspense boundary reveals, matching the behavior of client side rendering. This change is especially noticeable when animating the reveal of Suspense boundaries e.g. with the upcoming <ViewTransition> Component. React will batch as much reveals as possible before the first paint while trying to hit popular first-contentful paint metrics.
  • Add Node Web Streams (prerender, renderToReadableStream) to server-side-rendering APIs for Node.js
  • Use underscore instead of : IDs generated by useId

All Changes

React

React DOM

React Server Components

React Reconciler

eslint-plugin-react-hooks@6.1.0

Note: Version 6.0.0 was mistakenly released and immediately deprecated and untagged on npm. This is the first official 6.x major release and includes breaking changes.

  • Breaking: Require Node.js 18 or newer. (@michaelfaith in #32458)
  • Breaking: Flat config is now the default recommended preset. Legacy config moved to recommended-legacy. (@michaelfaith in #32457)
  • New Violations: Disallow calling use within try/catch blocks. (@poteto in #34040)
  • New Violations: Disallow calling useEffectEvent functions in arbitrary closures. (@jbrown215 in #33544)
  • Handle React.useEffect in addition to useEffect in rules-of-hooks. (@Ayc0 in #34076)
  • Added react-hooks settings config option that to accept additionalEffectHooks that are used across exhaustive-deps and rules-of-hooks rules. (@jbrown215) in #34497

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by more commits than we can show here.


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@depfu depfu bot requested a review from canova as a code owner October 8, 2025 22:00
@depfu depfu bot added the dependencies Pull requests that update a dependency file label Oct 8, 2025
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@canova canova merged commit 4227fa6 into master Oct 9, 2025
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@depfu depfu bot deleted the depfu/update/yarn/group/react-19.2.0 branch October 9, 2025 09:36
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