Sync with react.dev @ d271a7ac

[react-translations-bot]

This PR was automatically generated.

Merge changes from react.dev at d271a7ac

The following files have conflicts and may need new translations:

• [ ] src/components/DocsFooter.tsx
• [ ] src/content/learn/creating-a-react-app.md
• [ ] src/content/learn/referencing-values-with-refs.md
• [ ] src/content/learn/synchronizing-with-effects.md
• [ ] src/content/learn/thinking-in-react.md
• [ ] src/content/learn/understanding-your-ui-as-a-tree.md
• [ ] src/content/reference/react-dom/components/option.md
• [ ] src/content/reference/react-dom/components/progress.md
• [ ] src/content/reference/react-dom/createPortal.md
• [ ] src/content/reference/react/Fragment.md
• [ ] src/content/reference/react/StrictMode.md
• [ ] src/content/reference/react/components.md
• [ ] src/content/reference/react/memo.md
• [ ] src/content/reference/react/useCallback.md
• [ ] src/content/reference/react/useDeferredValue.md
• [ ] src/content/reference/react/useEffect.md
• [ ] src/content/reference/react/useInsertionEffect.md
• [ ] src/content/reference/react/useLayoutEffect.md
• [ ] src/content/reference/react/useMemo.md
• [ ] src/content/reference/react/useRef.md

Please fix the conflicts by pushing new commits to this pull request, either by editing the files directly on GitHub or by checking out this branch.

DO NOT SQUASH MERGE THIS PULL REQUEST!

Doing so will "erase" the commits from main and cause them to show up as conflicts the next time we merge.

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Project	Deployment	Preview	Comments	Updated (UTC)
ru-legacy-reactjs-org	Ignored	Preview		Nov 10, 2025 3:30am