Pokémon Shuffle Versions 1.1.0 and 1.1.1 are available for players of the game and the patches fix bugs in the game. Version 1.1.0 is available from the Nintendo eShop and takes 686 blocks to download. Players will need to Check In get the event Event stages and get the Version 1.1.1 patch.
Source:
http://www.pokemon.co.jp/ex/poketoru/news/post.php/19/