I just upgraded to 19.04 (Disco) and still see this behaviour (black background to system tray icons in XFCE).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1797417 Title: Background of system tray icons not drawn properly To manage notifications about this bug go to: https://bugs.launchpad.net/xfce4-panel/+bug/1797417/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
