Don't know if this has been brought up before but if you are in wildshape underwater and the server saves/ you regen your character is automatically slowed to almost a crawl. It is worse than being heavily encumbered and it isnt that the original form would have been encumbered because my character was not carrying much. When I turned back to normal form it did not work. Only getting out the water (which nearly didnt happen :/) fixes the speed issue.