You still can, by setting "allow_rgb10_configs" true in drirc for gnome- shell. Only the driver defaults were flipped.
Note that the modesetting driver does not support it, only after we get xserver 1.20 in 18.10. So for Intel hw you'd need to use the -intel driver until then. ** Also affects: clutter (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1752123 Title: Force 8bit RGB config Status in clutter package in Ubuntu: New Status in cogl package in Ubuntu: Confirmed Status in mesa package in Ubuntu: Fix Released Status in mutter package in Ubuntu: Fix Committed Bug description: New mesa supports 10bit RGB configs, and this causes issues with cogl/mutter which get a random EGLConfig that breaks some autopkgtests. To fix this this merge request is needed for mutter https://gitlab.gnome.org/GNOME/mutter/merge_requests/36 and a similar one for cogl. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/clutter/+bug/1752123/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : email@example.com Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp