The same problem exists in Settings>Color. Changing the selected profile in the GUI doesn't always change the applied profile on screen.
It's now fixed in Mutter 47.0: https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3912 ** Summary changed: - Monitor colour profile not loaded on login + Monitor colour profile is randomly not applied ** Tags added: fixed-in-mutter-47.0 fixed-upstream noble oracular ** Changed in: mutter (Ubuntu) Milestone: None => ubuntu-24.10 ** Changed in: mutter (Ubuntu) Status: New => Fix Committed ** Also affects: mutter (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: mutter (Ubuntu Oracular) Importance: Medium Assignee: Daniel van Vugt (vanvugt) Status: Fix Committed ** Changed in: mutter (Ubuntu Noble) Assignee: (unassigned) => Daniel van Vugt (vanvugt) ** Changed in: mutter (Ubuntu Noble) Importance: Undecided => Medium ** Changed in: mutter (Ubuntu Noble) Milestone: None => noble-updates ** Changed in: mutter (Ubuntu Noble) Status: New => Triaged -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2025006 Title: Monitor colour profile is randomly not applied Status in mutter package in Ubuntu: Fix Committed Status in mutter source package in Noble: Triaged Status in mutter source package in Oracular: Fix Committed Bug description: My custom monitor colour profile is showing as installed in Settings, but is not loaded upon login (on mantic only). Workaround: Ctrl+Alt+F3, Ctrl+Alt+F2, solved. The colour profile is now applied. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2025006/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
