chore(deps): update dependency react to v19.2.0

[thomhurst]

This PR contains the following updates:

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

---

Release Notes

facebook/react (react)

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:
  • resume: to resume a prerender to a stream.
  • resumeAndPrerender: to resume a prerender to HTML.
• Added resume APIs for partial pre-rendering with Node Streams:
  • resumeToPipeableStream: to resume a prerender to a stream.
  • resumeAndPrerenderToNodeStream: to resume a prerender to HTML.
• 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

• <Activity /> was developed over many years, starting before ClassComponent.setState (@​acdlite @​sebmarkbage and many others)
• Stringify context as "SomeContext" instead of "SomeContext.Provider" (@​kassens #​33507)
• Include stack of cause of React instrumentation errors with %o placeholder (@​eps1lon #​34198)
• Fix infinite useDeferredValue loop in popstate event (@​acdlite #​32821)
• Fix a bug when an initial value was passed to useDeferredValue (@​acdlite #​34376)
• Fix a crash when submitting forms with Client Actions (@​sebmarkbage #​33055)
• Hide/unhide the content of dehydrated suspense boundaries if they resuspend (@​sebmarkbage #​32900)
• Avoid stack overflow on wide trees during Hot Reload (@​sophiebits #​34145)
• Improve Owner and Component stacks in various places (@​sebmarkbage, @​eps1lon: #​33629, #​33724, #​32735, #​33723)
• Add cacheSignal (@​sebmarkbage #​33557)

React DOM

• Block on Suspensey Fonts during reveal of server-side-rendered content (@​sebmarkbage #​33342)
• Use underscore instead of : for IDs generated by useId (@​sebmarkbage, @​eps1lon: #​32001, #​33342#​33099, #​33422)
• Stop warning when ARIA 1.3 attributes are used (@​Abdul-Omira #​34264)
• Allow nonce to be used on hoistable styles (@​Andarist #​32461)
• Warn for using a React owned node as a Container if it also has text content (@​sebmarkbage #​32774)
• s/HTML/text for for error messages if text hydration mismatches (@​rickhanlonii #​32763)
• Fix a bug with React.use inside React.lazy-ed Component (@​hi-ogawa #​33941)
• Enable the progressiveChunkSize option for server-side-rendering APIs (@​sebmarkbage #​33027)
• Fix a bug with deeply nested Suspense inside Suspense fallback when server-side-rendering (@​gnoff #​33467)
• Avoid hanging when suspending after aborting while rendering (@​gnoff #​34192)
• Add Node Web Streams to server-side-rendering APIs for Node.js (@​sebmarkbage #​33475)

React Server Components

• Preload <img> and <link> using hints before they're rendered (@​sebmarkbage #​34604)
• Log error if production elements are rendered during development (@​eps1lon #​34189)
• Fix a bug when returning a Temporary reference (e.g. a Client Reference) from Server Functions (@​sebmarkbage #​34084, @​denk0403 #​33761)
• Pass line/column to filterStackFrame (@​eps1lon #​33707)
• Support Async Modules in Turbopack Server References (@​lubieowoce #​34531)
• Add support for .mjs file extension in Webpack (@​jennyscript #​33028)
• Fix a wrong missing key warning (@​unstubbable #​34350)
• Make console log resolve in predictable order (@​sebmarkbage #​33665)

React Reconciler

• createContainer and createHydrationContainer had their parameter order adjusted after on* handlers to account for upcoming experimental APIs

---

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 this update again.

---

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

---

This PR has been generated by Renovate Bot.

[claude]

Claude finished @thomhurst's task —— View job

---

Pull Request Review

Todo List:

• Examine the changed lockfile
• Understand project structure and React usage
• Review React 19.2.0 changelog for breaking changes
• Assess security and performance implications
• Check if code changes are needed
• Provide comprehensive review feedback

---

✅ Review Summary

This is a safe and straightforward dependency update with no concerns.

📋 Code Quality & Best Practices

✅ Excellent - The change only updates the lockfile, maintaining proper dependency management practices. No direct code changes are needed.

🐛 Potential Bugs or Issues

✅ None identified - React 19.2.0 is backward compatible with 19.1.1. The documentation site uses:

• Standard Docusaurus components
• No direct React hooks (useState, useEffect)
• No custom React logic that could break
• Standard JSX components that are fully compatible

⚡ Performance Considerations

✅ Positive impact - React 19.2.0 includes several performance improvements:

• Batched suspense boundary reveals matching client-side rendering
• Optimized server-side rendering with new streaming APIs
• Performance tracks for better debugging

🔒 Security Concerns

✅ No security issues - This is a minor version update from Facebook's React team with no known security vulnerabilities. The update path (19.1.1 → 19.2.0) contains only new features and bug fixes.

🧪 Test Coverage

✅ Adequate - Since this only affects the documentation site (not the core TUnit framework), and the change is purely a React version bump with no breaking changes, existing Docusaurus functionality will continue to work. The docs site builds and renders properly.

📊 Change Analysis

• Scope: Documentation site only (docs/yarn.lock)
• Impact: Minimal - lockfile update for React 19.1.1 → 19.2.0
• Compatibility: Fully backward compatible
• Risk Level: Very Low

🎯 Recommendation

✅ Approve and merge - This is a safe dependency update that brings performance improvements and bug fixes with no breaking changes.

The new React 19.2.0 features (<Activity>, useEffectEvent, cacheSignal) are not used in the documentation site, so they won't affect the current implementation.