Just for information: Minecraft for WiiU has had an update (in Europe) since I was playing it over the weekend. Not sure what the update is but just thought I'd share. :
Minecraft Wii U Edition. Wii U: GAME.es
Minecraft: Wii U Edition: actualización julio - correcciones Minijuego Batalla
Minecraft: Wii U Edition | Programas descargables Wii U | Juegos | Nintendo
Minecraft: Wii U Edition Gets Its Last Ever Update, Developer 4J Reminisces Over Last Gen Consoles | Nintendo Life
Minecraft Wii U Pops Up on European Ratings Site | WIRED