Public bug reported:
After upgrading to Ubuntu 26.04.1 LTS, available monitor resolutions
aren't available. Can't increase display resolution beyond 1024x768 in
settings menu. Monitor (Samsung S32CM801UNXZA) has maximum resolution of
3,840 x 2,160.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: xwayland 2:24.1.10-1
ProcVersionSignature: Ubuntu 7.0.0-42.42-generic 7.0.14
Uname: Linux 7.0.0-42-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct 28 13:37:12 2026
InstallationDate: Installed on 2020-04-05 (2398 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64
(20200203.1)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: xwayland
UpgradeStatus: Upgraded to resolute on 2026-10-28 (0 days ago)
** Affects: xwayland (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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https://bugs.launchpad.net/bugs/2172402
Title:
Monitor resolution not detected properly.
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