If you haven’t heard it by now, seen the details, or updated already there is a system update for the Wii U that pushes the version to 2.1.3 U. Obviously this is not the system update that Nintendo was stating would happen and is not the system update I was talking about the other day with Wii U Chat and Social Features to be Updated Soon. According to the Interwebs, the big, big, big, update will drop in your lap in April.
This current update supposedly fixed some stability issues and also possibly speed the system up. However, watching a couple videos of the new update it seems (IMHO) made the Wii U slower. \Shrugs/