
The fact it affects the preferred size, and only works with ToolItems that return a menu proxy item, was unclear unless deduced from other sources, and this led to users thinking it was broken, for example: https://stackoverflow.com/q/44644642/2757035 https://bugzilla.gnome.org/show_bug.cgi?id=787158 https://bugzilla.gnome.org/show_bug.cgi?id=787195