Minimap is Kohan: Ahriman's Gift is broken (most recent v). The 'fog of war' in the minimap does not update with DXGL ddraw. Otherwise game runs great. Unfortunately unplayable for any serious player.
Did not find any Minimap implementation hints in Kohan's otherwise excellent application logs. Not sure how plays into DXGL WIP overlay support listed https://github.com/dxgldotorg/dxgl.