Bug 459087

Summary:	The default panel is slow and laggy under Wayland
Product:	[Plasma] plasmashell	Reporter:	flash <devesh.genius007>
Component:	Panel	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	RESOLVED DUPLICATE
Severity:	normal	CC:	dev.bacteriostat, kde, niccolo.venerandi
Priority:	NOR	Keywords:	wayland-only
Version First Reported In:	5.25.5
Target Milestone:	1.0
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description flash 2022-09-14 06:03:37 UTC

SUMMARY
***
NOTE: If you are reporting a crash, please try to attach a backtrace with debug symbols.
See https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
***


STEPS TO REPRODUCE
1. Switch virtual desktops
2. Click on hidden systray icon
3. Click on launcher

OBSERVED RESULT
1. Notice that the panel takes longer time to update itself to show the running and closed apps
2. It takes longer for the blue "line" above the systray icon to come and go
3. It takes longer for the blue "line" above the launcher icon to come and go
EXPECTED RESULT
1. It should reflect the changes faster

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
(available in About System)
KDE Plasma Version: 5.25.5
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.6

ADDITIONAL INFORMATION

Comment 1 David Edmundson 2022-09-14 09:26:04 UTC

There isn't enough information there to act upon. I have not noticed such issues.

Can you confirm if setting the render loop to basic changes things (kcmshell5 qtquicksettings)

Is CPU spiked? If so can you grab a trace with hotspot.

Comment 2 Bacteria 2022-09-14 11:44:26 UTC


*** This bug has been marked as a duplicate of bug 454379 ***