It's speculated that a release date for the game will finally be announced by Square Enix at E3 2018. (justpushstart.com)
Several prototypes can be seen in photos courtesy of of Square Enix, including a Marcus Fenix figure, the Kingdom Hearts III version of Sora, and the Static Arts Bust Statue of King Regis of Final Fantasy XV: (theplatformer.net)
Octopath Traveler from Square Enix announced two more characters - the merchant, Tressa, and the apothecary Alfyn. (brutalgamer.com)