Very nice analysis of this bug here too: https://bitbucket.org/mathematicalcoffee/maximus-gnome-shell-extension/issue/6/thunderbird-appears-maximised-undecorated
Very nice analysis of this bug here too: https:/ /bitbucket. org/mathematica lcoffee/ maximus- gnome-shell- extension/ issue/6/ thunderbird- appears- maximised- undecorated