Just a guess because notifications are involved... Can you test if this happens also with
https://code.launchpad.net/~widelands-dev/widelands/bug-1658489-epedition-tab
Just a guess because notifications are involved... Can you test if this happens also with
https:/ /code.launchpad .net/~widelands -dev/widelands/ bug-1658489- epedition- tab