The same happens with VLC snap on Ubuntu 18.04 beta. LC_ALL=C XDG_CURRENT_DESKTOP=KDE snap run vlc -vvv results in the same UI issues when opening a file dialog, and the attached apparmor denials in messages.txt, with attached snap.vlc.vlc.
** Attachment added: "messages.txt" https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1766628/+attachment/5126712/+files/messages.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1766628 Title: apparmor denies VLC to open files in devmode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apparmor/+bug/1766628/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs