Playtonic’s Yooka-Laylee is being pushed into early 2017, as the studio wants more time to polish up the game and have it release in a solid state on Wii U and PC. Playtonic is developing the Wii U and PC versions, while Team17 is porting over the game to PlayStation 4 and Xbox one themselves.
Source: NeoGaf
A number of videos for the game came out today, so they will be shown bellow.