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Upgraded from 25.10 to 26.04. All updates installed to date.
1) Multiple monitors.
2) Monitor 1 = main screen. Monitor 2 = email etc.
3) Screen blank in settings set to 15 minutes (amount of time does not seem to
matter)
4) Screen blank executes.
5) On restore from screen blank (or lock), all apps are now moved to Monitor 1
only. That is, all apps stay open, just lose the Monitor/screen assignment. One
needs to move apps back to Monitor 2 manually and re-size.
NOTE/OBSERVATION: Monitor 1 is 2560 width and Monitor 2 is 1920 width.
When returning from Screen Blank/Lock, the apps "automatically" moved
from Monitor 2 to Monitor 1 during the apparent screen blank/lock bug
now have the geometry of Monitor 1, not Monitor 2. Thus, even if you
move the app back to Monitor 2, one also needs to resize the app.
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: xorg (not installed)
ProcVersionSignature: Ubuntu 7.0.0-22.22-generic 7.0.0
Uname: Linux 7.0.0-22-generic x86_64
ApportVersion: 2.34.0-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Wed Jun 10 09:49:25 2026
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to resolute on 2026-05-24 (17 days ago)
** Affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute wayland-session
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26.04 With Mulitple Screens, After Screen Blank or Screen Lock All Apps on Main
Screen
https://bugs.launchpad.net/bugs/2156361
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