sys-tray
https://github.com/flathub/com.viber.Viber/issues/32

startup - xkbmap
https://bugreports.qt.io/browse/QTBUG-101201
https://git.jami.net/savoirfairelinux/jami-client-qt/-/issues/695
https://git.jami.net/savoirfairelinux/jami-project/-/issues/1423
https://aur.archlinux.org/packages/viber?setlang=uk&comments=all&O=290&PP=10