NOMERGE: iOS 27 UIScene adoption and mobile app-state hardening - #29637

NOMERGE: iOS 27 UIScene adoption and mobile app-state hardening#29637

chrisnojima wants to merge 127 commits into

masterkeybase/client:masterfrom

nojima/HOTPOT-uiscene-cleankeybase/client:nojima/HOTPOT-uiscene-cleanCopy head branch name to clipboard