*on 20.04*, after upgrading from 18.04 this *problem re-surfaced* for me recently
cause & solution: * there was a snap package installed, `gtk-themes-common` (I think) * it clashed with the system installed gtk-theme Yaru * removal of the snap solved my problems -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1713749 Title: Gtk-WARNING **: Theme parsing error: gtk.css To manage notifications about this bug go to: https://bugs.launchpad.net/apport/+bug/1713749/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
