Bug 505671

Summary: Firefox is not restored in Plasma Wayland session
Product: [Plasma] plasmashell Reporter: Piotr Mierzwinski <piotr.mierzwinski>
Component: Session ManagementAssignee: Plasma Bugs List <plasma-bugs-null>
Status: CONFIRMED ---    
Severity: normal CC: kde, kdedev, natalie_clarius, nate, piotr.mierzwinski
Priority: NOR Keywords: qt6, regression, wayland-only
Version First Reported In: 6.4.80   
Target Milestone: 1.0   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Piotr Mierzwinski 2025-06-16 23:12:17 UTC
SUMMARY
I think for couple weeks  Firefox is not restored in Plasma Wayland session

STEPS TO REPRODUCE
1. System Settings -> Session -> Desktop Session -> Session Restore: On last logout  [checked]
2. Start couple applications, I start: konsole, Dolphin, Kate and Firefox (3 windows)
3. Logout and login or restrat your PC

OBSERVED RESULT
konsole, Dolphin, Kate are restored, but Firefox not

EXPECTED RESULT
Should be restored all application like it happened couple weeks ago

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: YES
KDE Plasma Version: 6.4.80
KDE Frameworks Version: 6.16.0
Qt Version: 6.9.0

ADDITIONAL INFORMATION
Comment 1 TraceyC 2025-06-17 17:08:37 UTC
I can reproduce this on Neon Testing using the same testing steps
Comment 2 David Redondo 2025-09-23 06:59:41 UTC
Works for me on Neon unstable with firefox 143
Comment 3 Nate Graham 2025-09-26 17:00:22 UTC
Works for me on KDE Linux with those steps too.
Comment 4 TraceyC 2025-09-26 19:17:01 UTC
I can still reproduce this in a Neon Testing VM as well as Fedora 42