Bug 454151

Summary: Dragging a window on one screen from one VD to another VD may move a window on a different screen
Product: [Plasma] kwin Reporter: postix <postix>
Component: effects-desktop-gridAssignee: KWin default assignee <kwin-bugs-null>
Status: RESOLVED FIXED    
Severity: normal CC: nate, notmart
Priority: NOR Keywords: regression
Version First Reported In: 5.24.90   
Target Milestone: ---   
Platform: Other   
OS: Linux   
Latest Commit: Version Fixed/Implemented In: 5.25.5
Sentry Crash Report:
Attachments: Screen recording
kWin Support Info

Description postix 2022-05-21 13:10:21 UTC 
Created attachment 149071 [details]
Screen recording

Screen recording

SUMMARY

commit: e3da5fc76e977f01aa0b0f7e457535b57bcf5da4
source: kdesrc-build

1) 2 screens
2) 4x4 desktop grid
3) Open a window on the upper right VD on screen 1 and screen 2
4) Drag the window on screen 2 from the upper right to the upper left VD

OBSERVED RESULT
In some occasions it happens that the window on screen 1 moves from the upper right VD to the upper left. Please see the screen recording.
Comment 1 postix 2022-05-21 13:10:53 UTC 
Created attachment 149072 [details]
kWin Support Info
Comment 2 Nate Graham 2022-05-23 18:19:10 UTC 
*** Bug 454288 has been marked as a duplicate of this bug. ***
Comment 3 postix 2022-05-23 18:30:18 UTC 
(In reply to Nate Graham from comment #2)
> *** Bug 454288 has been marked as a duplicate of this bug. ***

Just to make clear: The symptoms are not exactly the same, but both issues may share the same root cause.
Comment 4 Marco Martin 2022-05-26 12:45:57 UTC 
https://invent.kde.org/plasma/kwin/-/merge_requests/2388  should adress this one as well