A MuseScore User cannot save an instrument group selection in the "Change Instrument..." dialog of the "Edit Staff/Part Properties" dialog
When selecting the "Change Instrument..." dialog from the "Edit Staff/Part Properties" dialog, "Common instruments" is always the default selection for the instrument group. The user will need to always make a manual selection of another group such as "All instruments" or "Ethnic instruments". Users will benefit by being able to have their most recent selection saved for subsequent "Change Instrument" dialog invocations.
Advanced users will especially benefit from being able to have "All instruments" as their default selection.
Although not a major issue, this enhancement would greatly streamline many workflows.