Now I found out that it depends on whether I login with Xorg or Wayland.
Night Light works with Xorg, but doesn't with Wayland.
I honestly don't remember whether I was running Disco with Xorg or Wayland,
most probably I just went with the default. My guess is that Disco used Xorg by
default and Eoan changed to Wayland, that's why I thought it's broken with the
upgrade.
** Also affects: wayland (Ubuntu)
Importance: Undecided
Status: New
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/1798840
Title:
Night Light is not functioning
Status in gnome-control-center package in Ubuntu:
Expired
Status in wayland package in Ubuntu:
New
Bug description:
Night Light is not shading/filtering the screen anymore after the update to
Cosmic (Ubuntu 18.10) from Bionic (Ubuntu 18.04 LTS).
It still appears as an option and all the settings work, but the feature
itself isn't filtering out blue light from the screen.
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: gnome-control-center 1:3.30.1-1ubuntu2
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Fri Oct 19 11:03:28 2018
InstallationDate: Installed on 2018-08-17 (63 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to cosmic on 2018-10-19 (0 days ago)
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