Khan learns of the Cyber Shredder and swears loyalty to this digital copy of Ch'rell.
April and Casey learn about their future to an extent. About their future great grandson and the founding of O'Neil Tech.
Khan is the only Foot Ninja still loyal to the Shredder's legacy. He's been recruiting civilians in the year the Turtles were in the future.
Donnie uses what he learned in 2105 to upgrade the Turtle van into a hover vehicle.