This was a great update. I love DK's final smash, especially since it worked exactly like I said it would!
We also get some good information on final smashes in general. Invincibility, timely button presses to increase the power of the move (so final smashes don't let you just sit back and relax, you have to be involved in them).
I think that picture with the circle is misleading. I think that the picture is in the first stages of the move, and most likely grows to cover a larger part of the screen. Or, once you get trapped in that circle, no one can escape, except maybe if you mess up the rhythm.
Either way, great update! And the graphics are amazing.
Oh, and seriously, if you're going to complain about every update not being to your liking, instead of finding the good in them, then don't check the website for two weeks. Then come back and you'll have ten updates, and you should be able to find one to your liking and ignore all the other ones.