Sync with react.dev @ bd87c394#584

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react-translations-bot wants to merge 4 commits intomainfrom

Commits on Feb 2, 2026

fix: correct typos and improve clarity in useOptimistic.md (#8283)
aurorascharff
authored

Commits on Feb 4, 2026

useEffectEvent revamp (#8279)
rickhanlonii
authored

Commits on Feb 5, 2026

Rephrase the rendering explanation paragraph (#8240)
BartoszKlonowski
authored

Commits on Feb 9, 2026

Merge branch 'main' of https://github.com/reactjs/react.dev into sync-bd87c394
react-translations-bot
committed