This bug was fixed in the package mutter - 3.38.1-1ubuntu1
---------------
mutter (3.38.1-1ubuntu1) groovy; urgency=medium
* Merge with debian, including new upstream version, remaining changes:
- debian/gbp.conf: update upstream branch to point to ubuntu/master
- debian/patches/x11-Add-support-for-fractional-scaling-using-Randr.patch:
+ X11: Add support for fractional scaling using Randr
* d/p/clutter-backend-x11-Don-t-set-the-font-dpi-computed-on-X1.patch:
- Dropped, applied upstream
mutter (3.38.1-1) unstable; urgency=medium
* New upstream release:
- Fix Night Light updates after DPMS (LP: #1894596)
- Fix button scrolling on X11
- Always use correct font-dpi setting on X11
- Improve handling of scanout failures
- Fix middle/right button mixup in scroll button assignment
- Fix resizing of attached modal dialogs on wayland
- Enable KMS modifiers on devices that need them
- Fix IM handling on X11
- Fix glitches in "undefined" screencast areas
- Fix visual glitches on background with fractional scaling (LP: #1898080)
- Fix using correct refresh rate under X11 (LP: #1898645)
- Misc. bug fixes and cleanups
- Plugged memory leaks
* debian/patches: Refresh as per upstream changes
* debian/mutter-common.install: Include mutter udev rules
* debian/control: Add udev build-dependency
mutter (3.38.0-2) unstable; urgency=medium
* Team upload
* Release to unstable (starts transition: #969321)
* d/rules: Ignore test failures in flaky tests on all architectures.
Upstream presumably marked them as flaky for a reason, and they do
fail on amd64 when under load.
* Revert "debian/watch: Watch unstable versions"
-- Marco Trevisan (Treviño) <ma...@ubuntu.com> Sun, 11 Oct 2020
02:13:27 +0200
** Changed in: mutter (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1898080
Title:
Display artifacts in groovy when moving windows around on a screen
with fractional scaling
Status in Mutter:
Unknown
Status in mutter package in Ubuntu:
Fix Released
Bug description:
In a wayland session with fractional scaling (175% on laptop screen),
seeing weird visual artifacts around windows when moving them around,
see attached video for an example. Also see similar artifacts near
terminal prompt, gtk file chooser when mousing over items, and maybe
other locations too?
artifacts do not appear on external monitor set to 100% scaling, or on
laptop screen if scaling is set to 100%, 150%, or 200%.
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