Public bug reported:
Setting the framebuffer scaling (with gsettings set org.gnome.mutter
experimental-features "['scale-monitor-framebuffer']") allows the
display on HiDPi to be scaled to something different than
100%/200%/300%.
Which would be fine.
However, the display is rendered such that most applications provide
blurred display of text and graphics.
This is not always the case (e.g. system settings are displayed
correctly, Thunderbird and Firefox are blurred).
Also the screen flickers when selection menus or resizing the windows.
A black border appears around the windows where the shadow should appear. It
gets removed a few seconds later but still is irritating.
This issue is not urgent, just annoying. It can be worked around by
removing the settings in gsetting / dconf.
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: mutter 3.32.0+git20190410-1ubuntu1
ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6
Uname: Linux 5.0.0-13-generic x86_64
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 20 11:11:55 2019
InstallationDate: Installed on 2018-04-30 (355 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: mutter
UpgradeStatus: Upgraded to disco on 2019-04-19 (0 days ago)
** Affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug disco wayland-session
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https://bugs.launchpad.net/bugs/1825625
Title:
mutter framebuffer scaling blurs display
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