This is a packaging issue. The icon for "missing", which is in package gnome-icon-theme, MUST be installed with GTK. The icon for "missing" is the fallback icon for GTK whenever it can't find an icon. If GTK package does not depend on gnome-icon-theme, then GTK will crash when it needs the icon for "missing."
** Package changed: ubuntu => gnome-icon-theme (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-icon-theme in Ubuntu. https://bugs.launchpad.net/bugs/1881893 Title: Gtk3 crashes, icon "image-missing" not in theme Symbolic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-icon-theme/+bug/1881893/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs