Unity 5 was revealed back in March. When the announcement was made, we learned that it would run on a number of platforms, including Wii U. However, Unity followed up at the time by noting that it was unsure when Wii U would actually be receiving support for the new engine.

http://nintendoeverything.com/wii-u-now-...5-support/

Gran noticia 

Para cuando salgan juegos de Unity 5, Wii U está enterrada.