Well, two things that were making Wind Waker slow were heavily improved on (namely, audio and CPU, but don't quote me on CPU being an old bottleneck in WW), and a bunch of bugs affecting wind waker were fixed. Well, that is, if you're talking about between 4.0.2 and the current development versions.
in a perfect world we would all be piles of sand with no ability to form coherent bodies of body