Part two of my reply. :)
Alberto Ruiz <aruiz gnome org> wrote:
...
>> More details are outlined on the wiki [2]. If you do look at theExtension authors can still add their own menus. They could even
>> designs, please pay particular attention to the example scenarios -
>> these give a clearer idea of what the menu will actually look like.
>> The designs aren't finalised yet, so comments and ideas are welcome.
>
> My main concern while looking at the wireframes is that this would
> change the fundamental way a lot of extensions work right now,
> specifically I'm thinking about the MPRIS2 extension in the sound menu
> that allows a very handy change of track or pause of your music which
> would be a pain if done through the activities overview or the system
> tray.
relocate the volume sliders to a standalone sound menu if they wanted.