Release Notes for v43.8.4

Fixes

Backported fix for a macOS File System Access blocklist bypass via /System/Volumes/Data paths. #54677
Fixed Europe/London and Europe/Dublin time zone names showing as "GMT+00:00" in winter by updating ICU to tzdata 2026e. #55336
Fixed File System Access blocklist gaps for .git/hooks writes and hypervisor UNC shares. #55331
Fixed handling of malformed asar archives whose size fields do not match the file length. #55179 ^{(Also in 44, 45)}
Fixed inconsistent handling of asar archive paths between the main process and child processes. #55185 ^{(Also in 44, 45)}
Fixed MV3 extension events not arriving to background service workers. #55153 ^{(Also in 44, 45)}
Fixed utilityProcess not emitting an exit event when the app quit while the process was still launching. #55272 ^{(Also in 44, 45, 46)}