chore(deps): update react to v19.2.1

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
react (source)	dependencies	patch	19.2.0 -> 19.2.1
react-dom (source)	dependencies	patch	19.2.0 -> 19.2.1

---

Release Notes

facebook/react (react)

v19.2.1

Compare Source

facebook/react (react-dom)

v19.2.1

Compare Source

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 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 these updates again.

---

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

---

This PR has been generated by Renovate Bot.

[Copilot]

Copilot wasn't able to review any files in this pull request.

[claude]

Claude finished @thomhurst's task —— View job

---

PR Review: React Dependency Update

Todo List:

• Read and analyze the changed yarn.lock file
• Review React 19.2.1 release notes and changelog
• Assess security implications
• Evaluate potential compatibility issues
• Provide comprehensive review feedback

Comprehensive Review

Summary: This is a straightforward patch version update for React and React-DOM from 19.2.0 to 19.2.1 in the TUnit documentation site.

Code Quality and Best Practices ✅

• Automated dependency management: Using Renovate Bot for dependency updates is a best practice
• Patch version update: This is a low-risk patch release that should only contain bug fixes
• Consistent versioning: Both react and react-dom are updated together, maintaining version alignment
• Lockfile only changes: The update correctly only modifies yarn.lock, preserving the semver range ^19.2.0 in package.json

Potential Bugs or Issues ✅

• No breaking changes expected: Patch versions follow semver and should not introduce breaking changes
• Dependency consistency: Both React packages are updated in tandem, preventing version mismatches
• Docusaurus compatibility: Docusaurus 3.9.2 officially supports React 19.x, so this update is compatible

Performance Considerations ✅

• Patch releases typically include performance improvements: React patch releases often contain bug fixes and minor performance optimizations
• No bundle size impact: Patch updates typically have minimal bundle size changes
• Documentation site context: This is for a documentation site (not production application), so performance impact is minimal

Security Concerns ✅

• Regular security updates: Keeping React up-to-date ensures you receive security patches
• React 19.x is current major: React 19 is the current stable major version with active security support
• Trusted source: Updates come from the official React team via NPM registry with proper integrity hashes

Test Coverage 📋

• Limited test requirements: Since this is a documentation site using Docusaurus, extensive testing may not be necessary
• Recommended verification:
  • Ensure the docs site builds successfully (yarn build)
  • Verify the development server starts (yarn start)
  • Check that interactive components still work

Recommendations

1. ✅ Safe to merge: This is a low-risk patch update that should be merged
2. 🔧 Consider enabling auto-merge: Since Renovate Bot already has automerge enabled for this PR, it will merge automatically if CI passes
3. 📝 CI verification: Ensure your CI pipeline includes building the documentation site to catch any issues

Overall Assessment

APPROVED ✅ - This is a routine, low-risk dependency update that follows best practices. The changes are minimal and appropriate for a patch release.