Patch Update 1.0.7 is released, fixing the save corrupting bug caused by using Mewtwo in the following modes: Classic, All-Star, Stadium, Trophy Rush, and Smash Run. Even though the notice states that replays saved with previous game versions will no longer play after receiving this update, they can still be played.
April 15, 2015
In Patch Update 1.0.6, Mewtwo is released for Club Nintendo members who received the code. Six new 8-Player Omega stages are added as well as a Sharing function for Replays and Custom Stages.