bash-5.2$ WAYLAND_DEBUG=1 org.libreoffice.LibreOffice 2>&1 > /dev/null | grep "app_id" [2209181.505] -> xdg_toplevel@38.set_app_id("soffice") [2209468.703] -> xdg_toplevel@47.set_app_id("soffice") [2209519.815] -> xdg_toplevel@47.set_app_id("libreoffice-startcenter")