Public bug reported: to reproduce: install gtk-3-examples on a system with software rendering, like virtualbox. run gtk3-demo --run=glarea observe black boxes. I fixed it upstream with this commit: https://gitlab.gnome.org/GNOME/gtk/-/commit/69334021a22a79f5fddb30f0872fcf3fc6bc1cf0
** Affects: gtk+3.0 (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gtk+3.0 in Ubuntu. https://bugs.launchpad.net/bugs/1894737 Title: gtkglarea not working on software renderers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gtk+3.0/+bug/1894737/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs