A huge new update for Super Street Fighter IV: Arcade Edition is on its way, courtesy of Capcom. This brand new update will re-balance all 39 characters in the game, in an attempt to keep all matches fair and even. Some of the attacks have been nerfed, while others have been made more effective.
There have also been tweaks and fixes made to gameplay mechanics, such as character animations and the adjustments to character physics. A comprehensive list of each and every update has been put into a PDF, which can be found here.
The video above includes a shorter list of the major changes coming to the Arcade Edition with the Version 2012 update.