These are other desktop environments that I know are able to hide titlebars
on maximize as a WM setting: xfce, plasma, mate. I think if emacs goes the
way of setting _GTK_HIDE_TITLEBAR_WHEN_MAXIMIZED pretty much everything
will be covered (although not always in a per app basis).

On Mon, Jul 2, 2018, 11:06 PM Carlos Pita <carlosjosepita@gmail.com> wrote:

> Cinnamon just added support for _GTK_HIDE_TITLEBAR_WHEN_MAXIMIZED to
> muffin after I requested it because of this issue!!!
>