Bug 509616

Summary:	Opening the virtual keyboard causes weird artifacting on Plasma panels below it
Product:	[Plasma] kwin	Reporter:	Devin Lin <espidev>
Component:	virtual-keyboard	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	normal	CC:	kde, madness742, nate
Priority:	NOR
Version First Reported In:	6.4.80
Target Milestone:	---
Platform:	Other
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	demo of the problem

Description Devin Lin 2025-09-17 18:53:49 UTC

SUMMARY

When the virtual keyboard gets opened (either Maliit and plasma-keyboard), weird artifacts and glitching often appears on any Plasma panels below. This happens on both Plasma Desktop and Plasma Mobile.

STEPS TO REPRODUCE
1. Install and enable a virtual keyboard (ex. plasma-keyboard)
2. Open an app with a text field (ex. systemsettings)
3. Focus on the text field, so the virtual keyboard shows up

OBSERVED RESULT

Observe that the Plasma panel below the keyboard has weird artifacts over it.

EXPECTED RESULT

The panel below doesn't have weird artifacts over it.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: master
KDE Plasma Version: master 
KDE Frameworks Version: master
Qt Version: 6.9

ADDITIONAL INFORMATION

I started noticing this on Plasma Mobile starting in Plasma 6.4, and it is also easily reproducible on Plasma Desktop.

Comment 1 Devin Lin 2025-09-17 19:07:57 UTC

Created attachment 185022 [details]
demo of the problem

Comment 2 Nate Graham 2025-09-17 23:11:40 UTC

Can reproduce.

Comment 3 David Edmundson 2025-10-04 22:31:09 UTC


*** This bug has been marked as a duplicate of bug 510197 ***