linphone won't run under Wayland (GNOME 3.34)
flatform plugin wayland
missing in your build
$ flatpak run com.belledonnecommunications.linphone
This application failed to start because it could not find or load the Qt platform plugin "wayland"
in "".
Available platform plugins are: eglfs, minimal, minimalegl, offscreen, vnc, xcb.
Reinstalling the application may fix this problem.
Blocks: https://gitlab.linphone.org/BC/public/linphone/issues/9