Bug 489190

Summary:	Spectacle and KDE 6.1 (fake) session restore interaction
Product:	[Frameworks and Libraries] KPipeWire	Reporter:	eleung
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs-null>
Status:	CONFIRMED ---
Severity:	normal	CC:	aleixpol, kde, kde, m.wege, nate, postix
Priority:	NOR	Keywords:	usability
Version First Reported In:	6.5.3
Target Milestone:	---
Platform:	Fedora RPMs
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description eleung 2024-06-25 17:20:53 UTC

SUMMARY
If you have Spectacle opened before you shut down, the fake session restore introduced in KDE 6.1 will open it for you automatically during the next boot, causing the screen to freeze and dim if you are using rectangular capture by default with Spectacle. This happens on Fedora KDE 40.
(I posted this in r/kde and was told to submit a bug report)

STEPS TO REPRODUCE
1. Set Spectacle to use Rectangular Region capture as default
2. Open Spectacle 
3. Reboot the machine (or whatever method that triggers the session restore)

OBSERVED RESULT
Screen freezes and dims after login as Spectacle waits for user input

EXPECTED RESULT
No such behavior. Maybe blacklisting Spectacle from session restore by default?

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 40
KDE Plasma Version: 6.1.0
KDE Frameworks Version: 6.3.0
Qt Version: 6.7.1
Kernel Version: 6.9.5-200.fc40.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 24 × AMD Ryzen 9 5900X 12-Core Processor
Memory: 31.2 GiB of RAM
Graphics Processor: Mesa Intel® Arc
Manufacturer: Gigabyte Technology Co., Ltd.
Product Name: X570S AERO G
System Version: -CF

Comment 1 Nate Graham 2024-06-26 00:13:06 UTC

Heh oops. This is probably an app that should be excluded from fake session restore. Not sure if we have the power to do this in the app itself, or if it'll have to be added as an exception in the fake session restore feature, which would be a bit ugly.

Comment 2 postix 2025-02-24 18:14:32 UTC

On Plasma 6.3.1 and Spectacle 24.12.2 with the above mentioned STEPS TO REPRODUCE, Spectacle starts automatically for me and takes a rectangular region screenshot on startup...

Operating System: openSUSE Tumbleweed 20250223
KDE Plasma Version: 6.3.1
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
Kernel Version: 6.13.4-1-default (64-bit)
Graphics Platform: Wayland

Comment 3 duha.bugs 2025-04-29 19:44:52 UTC

*** Bug 503531 has been marked as a duplicate of this bug. ***

Comment 4 David Edmundson 2026-02-05 16:25:30 UTC

relevant code is plasma-workspace/startkde/session-restore

we should add a custom key into the .desktop entry "X-KDE-NoRestore" set that on spectacle and check it in restore.cpp where we lookup the service file (~line 90)