Staff properties: Apply/OK does not update changes to previous staves
2.1-dev (4a34643) / Win 7
1. Open an ensemble score.
2. Right-click on the first staff and make a change, say, to the instrument name.
3. Press the down arrow to access the next staff. Make another change to the instrument name.
4. Click Apply or OK
Expected result: All staves are updated
Actual result: Only the last-edited staff is updated.
It seems you have to press "Apply" after editing each staff to be sure that the change is saved before moving on to the next staff.