I see that /etc/apparmor.d/abstractions/gnome in Ubuntu 18.04/bionic has this line...
owner @{HOME}/.config/gtk-3.0/* r, ...which covers the settings.ini file. So this should no longer be an issue. ** Changed in: firefox (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1690858 Title: AppArmor profile blocks access to .config/gtk-3.0/settings.ini To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1690858/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs