0.34.0 (2024-01-03, c44f0d09630a) Known problems Startup hang with Firefox running in a container (e.g. snap, flatpak): When Firefox is packaged inside a container (like the default Firefox browser shipped with Ubuntu 22.04), it may see a different filesystem to the host. This can affect access to the generated profile directory, which may result in a hang when starting Firefox. Workarounds are li