Unless 2014 is officially coined by Nintendo as the year of Yoshi, then I'm also skeptical about Yarn Yoshi releasing next year, Yoshi's New Island doesn;t even have a solid release date yet. 2015 has a little more correlation since it'd be the 25th and 20th anniversaries of SMW and Yoshi's Island 1 respectively.
Then again, 2015 would also be the 30th anniversary of Super Mario...
Anyone wanna enter a bet about Yarn Yoshi's release?
Bet with Einsam_Delphin: http://gamrconnect.vgchartz.com/thread.php?id=172355&page=11