Hi @Manu-Morin , I think there are still some limitations when there are tuples in perc.-kits and manual voice assignment made directly in the score instead of in the kit himself. (Someone corrects me if there are some new functionalities). In this threads a similar thing was discussed:
In other cases without tuplets, you could use the reverse workflow:
set the settings to Use single voice and Truncate to shortest duration (as in my post above), and in places where you need some notes to be different, use the Extra Down stem voice:
