Ubuntu Fast-Tracks AppArmor Fix for Flatpak Apps Failing to Start in Ubuntu

The recent update to AppArmor to fix issues with 3rd-party apps unable to run on Ubuntu 24.04 LTS due to its security hardening inadvertently prevents a fleet of popular Flatpak apps from running. The Telegram Desktop, KeePassXC, and Steam clients are among Flatpak apps affected, some throwing an apparmor="DENIED" error apparently due to the AppArmor profile for the Bubblewrap sandboxing tool (used by many Linux apps) in the prior update. To be clear: snap, DEB, and binary versions of the software above aren’t affected, only Flatpaks. But good news: Ubuntu’s developers got to work to identify the cause, aided by
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https://www.omgubuntu.co.uk/2024/07/ubuntu-apparmor-fix-for-telegram-flatpak