https://bugs.kde.org/show_bug.cgi?id=504165
Bug ID: 504165
Summary: XWayland ran electron app is stealing focus from a
native wayland app
Classification: Plasma
Product: kwin
Version: git-stable-Plasma/6.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: xwayland
Assignee: kwin-bugs-n...@kde.org
Reporter: steemandli...@gmail.com
Target Milestone: ---
Summary:
Electron apps running under XWayland incorrectly regain focus after another
XWayland window is closed, even when a native Wayland window should become
active.
Steps to reproduce:
Launch an Electron application (running via XWayland).
Launch a second XWayland application.
In between, ensure there's a native Wayland window (e.g., Dolphin or a web
browser) that was active before.
Close the second XWayland application.
Expected behavior:
The previously active Wayland-native window (Dolphin or browser) should regain
focus.
Actual behavior:
The first Electron app (running on XWayland) becomes active and receives focus,
even though it wasn't the last active window.
Additional notes:
This issue only occurs with Electron apps running under XWayland. Other
XWayland clients (like xterm, xwayland ran chromium, wine) do not cause this
behavior.
If the same Electron app is launched using native Wayland
(--ozone-platform=wayland), the issue does not occur.
This suggests the problem may be related to how Electron/Chromium handles
background/foreground state under X11, possibly requesting focus incorrectly.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
KDE Plasma Version: 6.3
KDE Frameworks Version: 6.13
Qt Version: 6.9
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