I use 18.04 / login session Xorg and had the same issue. Got help from the IRC channel.
Workaround for me which actually works: Alt+F2 Type "r" without the quotes Hit "Enter" The icons appears! Regards all. Rumen -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1712866 Title: icons from qt applications disappear after screen lock/sleep To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell-extension-appindicator/+bug/1712866/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
