On Fedora 33 KDE Plasma spin in anki 2.1.35 if you try to add addons by “Tools > Addons > Download addons” the button “Browse addons” does nothing.
In terminal you can see the problem:
[tosak@localhost anki-2.1.35-linux-amd64]$ anki
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: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, webgl, xcb, wayland-org.kde.kwin.qpa.
/usr/bin/xdg-open: linia 613: 63957 Przerwane (zrzut pamięci) kde-open${KDE_SESSION_VERSION} “$1”
If I try to install libxcb, I get message:
Package libxcb-1.13.1-5.fc33.x86_64 already installed.
Nothing to do.