Honestly, outside of bugs, my only gripes with the mod are that the punch and ground-slap buttons should be swapped and that DK has a rough time getting onto thin platforms via climbing. The little flip he does when reaching the top usually overshoots any thin walls or beams I'm trying to get on top of, especially in custom levels.
Incredible moveset outside of that though, this is what DK64 should've been, and more Mario games need a new-game-plus kinda thing with DK like this mod creates for Mario 64.