Public bug reported:
On a dual/multi monitor setup, if the monitor adjacent uses a different
scale factor, when moving an application window to the boundary the
application will change its scaling just slightly before the actual
apparent window starts crossing over. Taking a look at looking glass
shows the transition occurs when the MetaSurfaceActorWayland region
(larger than the actual window) meets the boundary.
My monitor configuration is:
1920X1080 monitor using 100% scaling
2560X1600 monitor using 150% scaling
ProblemType: Bug
DistroRelease: Ubuntu 23.10
Package: gnome-shell 45.0-1ubuntu1
ProcVersionSignature: Ubuntu 6.5.0-5.5-generic 6.5.0
Uname: Linux 6.5.0-5-generic x86_64
ApportVersion: 2.27.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Sep 23 00:22:04 2023
DisplayManager: gdm3
InstallationDate: Installed on 2022-03-31 (540 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Beta amd64 (20220329.1)
RelatedPackageVersions: mutter-common 45.0-1ubuntu1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug mantic wayland-session
** Attachment added: "Screencast showing point at which scale factor changes"
https://bugs.launchpad.net/bugs/2037141/+attachment/5703627/+files/Screencast%20from%202023-09-23%2001-45-20.webm
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https://bugs.launchpad.net/bugs/2037141
Title:
Multi monitor with different scale factors causes windows to use scale
factor of adjacent monitor before arriving at boundary
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