Such functionality would be extremely helpful. Would be not a best solution to have a possibility to select in preferences an option you prefer? Play single selected note in chord or play all notes in chord while clicking?
In Sibelius you select a note, press right (or left) arrow in order to check by ear if there are some mistakes or not. In such way you can “play” a single part as slow as you wisch. Come back and go forward again. Often it takes significantly less time, then analysing it just visually.
As I try to do it in Dorico, everything is fine till the selection comes to the chord - then Dorico plays each note in a chord separately, then moves to the next one…In some cases it could be useful, but I would be very happy if I could choose - to here a whole chord or each note separately…
Of course it will take time to think, to implement and to test. I do not expect it soon. Any way would be a great feature:)