Add mute and solo in staff contextual menu
It would be a nice option to be able to instantly mute or, on the contrary, isolate a staff without having to go into the mixer, which is a much more specialized tool. It could be achieved by means of a couple of options (Solo / Mute) in the staff contextual menu. Some kind of feedback could be provided to the user so that they know the staff is muted, such as a slight background shading of the muted staves (the chosen one when selecting mute an the rest when selecting solo).
This feature is present in other software such as Sibelius, and would be appreciated by composers, directors, orchestrators and anyone studying complex scores--let alone musicians looking for custom minus-one versions for rehearsal purposes.