http://www.gamespot.com/articles/fin.../1100-6429527/

"
At the very least, I can tell you that it isn't going to be released this year. I think we'll be able to tell you when we're making the announcement around PAX Prime, at the end of this month."
Tabata dropped the best indication of the Final Fantasy XV release date yet: "We can certainly say to people: it's not going to be 2017. It's going to be before that."
I think everyone was a bit worried after the Gamescom showing, plus Tabata saying it was only 65 % done but woohoo!