If you mean when does Legend get 2.0, I do not believe a date was set yet?
I do see it will be sometime next year.
What is the Fun Ship 2.0 implementation schedule? - FAQ's - Carnival Funville
So sorry about the hamburgers, they are the best part of 2.0 to me. The rest did not excite me that much.
Conquest 7/21/13, Miracle ALASKA 8/27/13, Miracle HAWAII 9/17/13, Celebrity Summit, 11/30/13, Celebrity Summit, 12/7/13, Celebrity Constellation, 2/7/14, NCL Epic 3/2/14, Allure 5/4/14, Allure 11/2/14, Quantum 12/8/14