Comment 23 for bug 1682542

(In reply to Florian Müllner from comment #11)
> (In reply to Chris Cheney from comment #7)
> > Presumably the extensions that Gnome itself ships as opposed to ones that
> > 3rd parties supply on http://extensions.gnome.org/
>
> No, you don't want that in the extensions. Each extension is separate, so
> what you are asking for here is that apps-menu and places-menu *both* add
> top bars to non-primary monitors. We are definitely not going to add two or
> more stacked panels at the top.
>
> What you probably want instead is an option in gnome-shell to put top bars
> on non-primary monitors, and the aforementioned extensions to handle that
> case.

That sounds like a great solution, I tried looking at it before but got lost on how to do it (I think) due to the explanation you just gave.