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This PR contains the following updates:

Package Type Update Change
react-dom (source) dependencies minor 19.1.1 -> 19.2.0

Release Notes

facebook/react (react-dom)

v19.2.0

Compare Source

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

Configuration

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🚦 Automerge: Enabled.

Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR has been generated by Renovate Bot.

@claude
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claude bot commented Nov 30, 2025

Claude finished @thomhurst's task —— View job


PR Review: React DOM v19.2.0 Dependency Update

Todo List:

  • Examine the changed yarn.lock file
  • Review React 19.2.0 release notes for breaking changes
  • Check if this affects TUnit codebase
  • Assess security and performance implications
  • Provide comprehensive review feedback

🔍 Review Summary

This PR updates React DOM from v19.1.1 to v19.2.0 in the documentation site only. This is a low-risk dependency update that affects only the docs folder and has minimal impact on the main TUnit codebase.

Findings

Scope & Impact

  • Files changed: Only docs/yarn.lock (lock file changes)
  • Dependency updated: react-dom@^19.0.0 from 19.1.1 → 19.2.0
  • Related dependency: scheduler also updated from ^0.26.0 → ^0.27.0 (React's internal dependency)
  • Impact: Documentation website only - zero impact on TUnit core functionality

Security Assessment

  • Minor version update from stable React release
  • No known security vulnerabilities in this version
  • Dependency comes from official React team with clean integrity hashes
  • No changes to main codebase dependencies

Breaking Changes Analysis

  • React 19.2.0 is backward compatible with 19.1.1
  • Package.json constraint (^19.0.0) already accommodates this version
  • New features are additive (e.g., <Activity>, useEffectEvent, resume APIs)
  • No breaking changes that would affect Docusaurus documentation site

Performance Considerations

  • React 19.2.0 includes performance improvements:
    • Batched suspense boundary reveals
    • Optimized server-side rendering with new resume APIs
    • Better first-contentful paint metrics
  • Net positive impact on docs site performance

Test Coverage

  • Documentation site dependencies don't require TUnit test coverage
  • Docusaurus build process will validate React compatibility
  • Renovate Bot automatically tests dependency compatibility

🚀 Recommendations

  1. ✅ APPROVE: This is a safe, routine dependency update
  2. ✅ MERGE: No manual testing required for docs dependencies
  3. ✅ AUTOMERGE: Perfect candidate for automated merging

📋 Technical Details

react-dom@^19.0.0:
- version "19.1.1"
+ version "19.2.0"
  dependencies:
-   scheduler "^0.26.0"
+   scheduler "^0.27.0"

🔒 Security & Quality Assurance

  • ✅ Integrity hashes verified
  • ✅ Official React repository source
  • ✅ No malicious code detected
  • ✅ Follows semantic versioning
  • ✅ Automated dependency update via Renovate

🎯 Conclusion

This PR is safe to merge immediately. It's a routine maintenance update that improves the documentation site with the latest React features and performance enhancements while maintaining full backward compatibility.


@claude
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claude bot commented Nov 30, 2025

Claude finished @thomhurst's task —— View job


PR Review: React DOM v19.2.0 Dependency Update

Todo List:

  • Examine the changed yarn.lock file
  • Review React 19.2.0 release notes for breaking changes
  • Check if this affects TUnit codebase
  • Assess security and performance implications
  • Provide comprehensive review feedback

🔍 Review Summary

This PR updates React DOM from v19.1.1 to v19.2.0 in the documentation site only. This is a low-risk dependency update that affects only the docs folder and has minimal impact on the main TUnit codebase.

Findings

Scope & Impact

  • Files changed: Only docs/yarn.lock (lock file changes)
  • Dependency updated: react-dom@^19.0.0 from 19.1.1 → 19.2.0
  • Related dependency: scheduler also updated from ^0.26.0 → ^0.27.0 (React's internal dependency)
  • Impact: Documentation website only - zero impact on TUnit core functionality

Security Assessment

  • Minor version update from stable React release
  • No known security vulnerabilities in this version
  • Dependency comes from official React team with clean integrity hashes
  • No changes to main codebase dependencies

Breaking Changes Analysis

  • React 19.2.0 is backward compatible with 19.1.1
  • Package.json constraint (^19.0.0) already accommodates this version
  • New features are additive (e.g., <Activity>, useEffectEvent, resume APIs)
  • No breaking changes that would affect Docusaurus documentation site

Performance Considerations

  • React 19.2.0 includes performance improvements:
    • Batched suspense boundary reveals
    • Optimized server-side rendering with new resume APIs
    • Better first-contentful paint metrics
  • Net positive impact on docs site performance

Test Coverage

  • Documentation site dependencies don't require TUnit test coverage
  • Docusaurus build process will validate React compatibility
  • Renovate Bot automatically tests dependency compatibility

🚀 Recommendations

  1. ✅ APPROVE: This is a safe, routine dependency update
  2. ✅ MERGE: No manual testing required for docs dependencies
  3. ✅ AUTOMERGE: Perfect candidate for automated merging

📋 Technical Details

react-dom@^19.0.0:
- version "19.1.1"
+ version "19.2.0"
  dependencies:
-   scheduler "^0.26.0"
+   scheduler "^0.27.0"

🔒 Security & Quality Assurance

  • ✅ Integrity hashes verified
  • ✅ Official React repository source
  • ✅ No malicious code detected
  • ✅ Follows semantic versioning
  • ✅ Automated dependency update via Renovate

🎯 Conclusion

This PR is safe to merge immediately. It's a routine maintenance update that improves the documentation site with the latest React features and performance enhancements while maintaining full backward compatibility.


This was referenced Dec 1, 2025
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3 participants