http://webzoom.freewebs.com/xmuppetsb/ZC%20Content/Test%20Quests/watertest.qst
In this test quest, I found a little glitch with swimming. If you exit the water while swimming up or down, and you're on the full tile when you exit the water, Link gets stuck in his swimming state until you move left or right. I first discovered this in a certain quest project I've been working on recently.
Swimming Glitch
Well, looks like this bug, which I discovered in 2.50.1RC1 is not happening in RC2.