Bug 514335 - Dialogs and menus are opaque, despite having enabling transparency
Summary: Dialogs and menus are opaque, despite having enabling transparency
Status: CONFIRMED
Alias: None
Product: kwin
Classification: Plasma
Component: effects-window-management (other bugs)
Version First Reported In: 6.5.4
Platform: Other Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2026-01-08 16:48 UTC by postix
Modified: 2026-01-08 17:31 UTC (History)
1 user (show)

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Description postix 2026-01-08 16:48:18 UTC 
STEPS TO REPRODUCE
1.  Workspace settings:
     - Enable Transparency for menus
     - Enable Blur
2. Right click anywhere to open a context menu or open eg Dolphin and open the hamburger meu.
3. Open Kicker

OBSERVED RESULT
Menus are rendered fully opaque.

EXPECTED RESULT
The background is transparent and blurred.

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 43
KDE Plasma Version: 6.5.4
KDE Frameworks Version: 6.21.0
Qt Version: 6.10.1
Kernel Version: 6.18.3-200.fc43.x86_64 (64-bit)
Graphics Platform: Wayland
Graphics Processor: AMD Radeon Graphics
Comment 1 Zamundaaa 2026-01-08 17:30:09 UTC 
KWin doesn't actually know if a popup is a "menu", a "combobox popup", "dropdown menu", "popup menu" or "turn-off menu", that's all X11 only. We might just have to remove / simplify some options in that effect.
Comment 2 Zamundaaa 2026-01-08 17:31:03 UTC 
Dialogs should be possible to fix though.