Sync with react.dev @ e9a7cb1b#858

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react-translations-bot wants to merge 4 commits intomainfrom

Commits on Aug 6, 2025

Fixes animation jank on hover (#7904)
wesbos
authored

Commits on Aug 7, 2025

fix: box-shadow animation on community (#7905)

ChezFre
and
Fre
authored

Commits on Aug 8, 2025

Updates to Activity docs (#7884)
samselikoff
authored

Commits on Aug 11, 2025

Merge branch 'main' of https://github.com/reactjs/react.dev into sync-e9a7cb1b
react-translations-bot
committed