In Ubisoft’s earnings report released on the 16th of March, the next Assassin’s Creed game was confirmed to be released in the current fiscal year, meaning it will be released by March 2018.
A gif announcing that ‘A New Era Begins’ was also released onto Twitter:
Sharpen your blade. The Assassins will soon step out of the shadows… pic.twitter.com/nUrM4A57J0
— Assassins Creed UK (@Assassins_UK) May 16, 2017