Seems it has been reported upstream as well https://bugzilla.gnome.org/show_bug.cgi?id=785611 and is not Ubuntu specific (the report mentions arch)
** Bug watch added: GNOME Bug Tracker #785611 https://bugzilla.gnome.org/show_bug.cgi?id=785611 ** Changed in: gnome-tweak-tool (Ubuntu) Importance: Undecided => Low ** Changed in: gnome-tweak-tool (Ubuntu) Status: New => Triaged ** Also affects: gnome-tweak-tool via https://bugzilla.gnome.org/show_bug.cgi?id=785611 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1709058 Title: Icon invalid in the favorites/panel menu/alt-tab To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-tweak-tool/+bug/1709058/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
