[pull] main from facebook:main#443

Merged

pull[bot] merged 2 commits intocode:mainfrom

Jan 21, 2026

Commits on Jan 21, 2026

[Fiber] getNearestMountedFiber should consider fibers with alternates as mounted (#35578)
sebmarkbage
authored
Type `react-devtools-hook-installer` and `react-devtools-hook-settings-injector` messages (#35586)
eps1lon
authored