Changing the order of the instruments (staves)
Good morning, sir,
in the manual it says:
In the right column, select the instrument (or staff) and click on one of the up / down arrows
Moreover, when you create a new instrument, it is placed at the end of the list.
In a score with many instruments, it is impractical to have only the arrows to change the position of the created staff.
I suggest an improvement, which would be to place the created staff below a previously selected staff.
For example to add a clarinet voice under an existing clarinet voice :