Bug 500585

Summary:	Windows restore it's original size/position a few seconds after resizing/moving them when there's a monitor connected but turned off
Product:	[Plasma] kwin	Reporter:	Nexoflexo
Component:	multi-screen	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	REPORTED ---
Severity:	normal	CC:	nate
Priority:	NOR	Keywords:	multiscreen
Version First Reported In:	6.3.1
Target Milestone:	---
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Nexoflexo 2025-02-22 17:34:26 UTC

OVERVIEW 
A video showing off the issue: https://youtu.be/MiRNTKjGXXs

It only happens when a monitor is turned off at boot time. The issue is resolved after turning on said monitor and it also doesn't happens after it's turned off again. 

STEPS TO REPRODUCE
1. Have a monitor connected but turned off at boot time 
2. Move or resize a window

OBSERVED RESULT
After a few seconds when dragging the window resizes/moves to it's original position/size 

EXPECTED RESULT
Windows don't change it's size or position while dragging 

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 41
KDE Plasma Version: 6.3.1
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
Kernel Version: 6.12.15-200.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 3600 6-Core Processor
Memory: 16.7 GB of RAM
Graphics Processor: AMD Radeon RX 6750 XT

ADDITIONAL INFORMATION
I have 2 monitors connected via displayport and a tv connected with hdmi that's turned off. All of them have 100% scaling.