#1075889 goldendict-ng: Ignores QT_QPA_PLATFORM=wayland, starts with xcb

Package:
goldendict-ng
Source:
goldendict-ng
Description:
feature-rich dictionary lookup program (NG/qtwebengine fork)
Submitter:
Vladimir K
Date:
2026-07-22 14:51:02 UTC
Severity:
normal
Tags:
#1075889#5
Date:
2024-07-07 08:27:33 UTC
From:
To:
Dear Maintainer, goldendict-ng (and also goldendict) ignores environment variables
pointing to wayland and starts with xcb.

    $ env | grep wayland
    CLUTTER_BACKEND=wayland
    XDG_SESSION_TYPE=wayland
    MEMORY_PRESSURE_WATCH=/sys/fs/cgroup/user.slice/user-1000.slice/user@1000.service/session.slice/wayland-wm@sway.desktop.service/memory.pressure
    WAYLAND_DISPLAY=wayland-1
    WINIT_UNIX_BACKEND=wayland
    QT_QPA_PLATFORM=wayland
    SDL_VIDEODRIVER=wayland
    GDK_BACKEND=wayland

When starting with unset DISPLAY (to exclude xwayland):

    $ goldendict
    qt.qpa.xcb: could not connect to display
    qt.qpa.plugin: From 6.5.0, xcb-cursor0 or libxcb-cursor0 is needed to load the Qt xcb platform plugin.
    qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

    Available platform plugins are: wayland-egl, wayland, linuxfb, minimal, offscreen, vkkhrdisplay, xcb, eglfs, minimalegl.

    Aborted

It only starts natively when explicitly run with an argument:

    $ goldendict -platform wayland
#1075889#10
Date:
2025-01-29 15:52:53 UTC
From:
To:
Control: tags -1 +wontfix +help

Your setup is explicitly not supported by goldendict-ng.

According to https://xiaoyifang.github.io/goldendict-ng/topic_wayland/ ,
the goldendict-ng upstream is looking for help on the best way forward
or wayland support. Please consider sending your help upstream.

Thanks,
Boyuan Yang
#1075889#19
Date:
2026-07-22 14:48:47 UTC
From:
To: