Bug 503468

Summary:	PWA window in the browser turns gray when minimized
Product:	[I don't know] kde	Reporter:	kdeuzver <asdf-kd>
Component:	general	Assignee:	Unassigned bugs mailing-list <unassigned-bugs>
Status:	CLOSED DOWNSTREAM
Severity:	normal	CC:	nate
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Neon
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description kdeuzver 2025-04-28 09:54:21 UTC

SUMMARY
I'm using PWA via Ungoogled-Chromium Flatpak,
and the window went gray at a random moment after being minimized.

STEPS TO REPRODUCE
1. Use Ungoogled-Chromium Flatpak
2. Install PWA, e.g. Telegram
3. Run it and minimize it, do something for a while, maximize it.

OBSERVED RESULT
Window grayed out

EXPECTED RESULT
Window rendered UI visible

SOFTWARE/OS VERSIONS
Operating System: KDE neon 6.3
KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.13.0
Qt Version: 6.8.3
Kernel Version: 6.11.0-24-generic (64-bit)
Graphics Platform: Wayland
Processors: 16 × Intel® Core™ Ultra 7 255H
Memory: 30.8 ГиБ of RAM
Graphics Processor: Intel® Graphics
 

ADDITIONAL INFORMATION
https://0x0.st/8WuW.293.mp4

Comment 1 Nate Graham 2025-04-28 16:13:23 UTC

I see the window is using client-side decorations, and those render fine, which means that KWin is doing its part. Therefore this seems like a bug in Chromium itself.

Comment 2 kdeuzver 2025-05-01 18:59:51 UTC

(In reply to Nate Graham from comment #1)
> I see the window is using client-side decorations, and those render fine,
> which means that KWin is doing its part. Therefore this seems like a bug in
> Chromium itself.

You're probably right