Our group is looking to obtain a version of the matching and drag and drop question types that offers all-or-nothing marking rather than partial marking.
We are willing to finance the development in order to have this put into the community. Forgive me and please correct me if this is not the appropriate forum or approach for sharing this sort of request. My assumption is that others might be interested in being able to leverage this type of functionality as well. Jean-Michel, is something you would be open to developing?