** Changed in: mutter (Ubuntu Eoan)
Assignee: (unassigned) => Marco Trevisan (Treviño) (3v1n0)
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https://bugs.launchpad.net/bugs/1847551
Title:
Mutter 3.34.1 broke Night Light, screen color profiles in Wayland
sessions
Status in Mutter:
Fix Released
Status in mutter package in Ubuntu:
Fix Released
Status in mutter source package in Eoan:
In Progress
Status in mutter source package in Focal:
Fix Released
Bug description:
[ Impact ]
Upgrading Mutter 3.34.0 to 3.34.1 has broken Night Light and screen color
profile switching.
The commit at fault is 104bdde746c9ceccd9e9ab09b22ef228b8f7026e “kms: Predict
state changes when processing update” (which was intended to fix LP bug
1847044).
[ Test case ]
- From gnome-control-center display panel, enable the Night Light
- Force it on, and ensure that the display color temperature increases
[ Regression potential ]
Display gamma value might be incorrect
Upstream issue: https://gitlab.gnome.org/GNOME/mutter/issues/851
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