Public bug reported:
cat .config/gtk-4.0/gtk.css
window {
border: 3px solid red;
border-radius: 8px;
}
This causes unwanted top and left border lines to be drawn on the
background window.
Ubuntu 26.04 did not do this and I do not want these border lines on the
background window.
I only expect these borders to be drawn on application windows. The
specified border width is exaggerated to emphasize this bug.
Screenshot is attached.
ProblemType: Bug
DistroRelease: Ubuntu 26.10
Package: gnome-software 50.3-1
ProcVersionSignature: Ubuntu 7.3.0-9.9-generic 7.3.0-rc6
Uname: Linux 7.3.0-9-generic x86_64
ApportVersion: 2.36.0-0ubuntu1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Oct 9 09:02:45 2026
InstallationDate: Installed on 2022-07-20 (1542 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
InstalledPlugins:
gnome-software-plugin-flatpak 50.3-1
gnome-software-plugin-snap N/A
SourcePackage: gnome-software
UpgradeStatus: Upgraded to stonking on 2026-10-03 (6 days ago)
** Affects: gnome-software (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug stonking third-party-packages wayland-session
** Attachment added: "Screenshot of unwanted red border lines on background
image"
https://bugs.launchpad.net/bugs/2170283/+attachment/6007467/+files/Unwanted%20borderlines%20on%20background%20image.png
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https://bugs.launchpad.net/bugs/2170283
Title:
gtk.css window border causes unwanted top and left bordeines on
background image
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