I've linked a Debian bug & its upstream link that sounds to me like it's the same issue.
** Bug watch added: Debian Bug tracker #1079580 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1079580 ** Also affects: gnome-control-center (Debian) via https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1079580 Importance: Unknown Status: Unknown ** Bug watch added: gitlab.gnome.org/GNOME/gnome-control-center/-/issues #3198 https://gitlab.gnome.org/GNOME/gnome-control-center/-/issues/3198 ** Also affects: gnome-control-center via https://gitlab.gnome.org/GNOME/gnome-control-center/-/issues/3198 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/2084839 Title: Settings app slows down and freezes on Appearance tab To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/2084839/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs