Could you report it upstream on https://gitlab.gnome.org/GNOME/gnome- control-center/-/issues ?
The issues seems to due to the level indicators which keep refreshing -- 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/1902094 Title: High Xorg and gnome-shell CPU usage while Sound Settings opened To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1902094/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
