Hello! On Sun, 16 Mar 2025 18:10:08 +0800 Andrew Gunawan <[email protected]> wrote: > qt.qpa.plugin: Could not find the Qt platform plugin "wayland" in "" > 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, xcb.
This looks strange because version 4.14.9+ds-1.1+b2 has a patch to prefer the "xcb" platform plugin over Wayland. https://salsa.debian.org/debian/telegram-desktop/-/blob/debian/4.14.9+ds-1.1/debian/patches/2018-Prefer-Xwayland.patch For 5.7.2 upstream version the patch was rewritten a bit but its logic is still the same. If the QT_QPA_PLATFORM environment variable is unset or empty, then push an internal command line option -platform to "xcb;wayland". In that way, Telegram should try X11 protocol first, even in DE based on Wayland. Qt prints available platform plugins which are valid values of QT_QPA_PLATFORM. Some of them may be not configured though.
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