After a series of technical problems that were for the worse, portends the end even the demonstration of
Battlefield 4 for Xbox One failed to start correctly: there are obviously explosions, destruction and tense moments while the team is on a mission on an aircraft carrier and continue the fight on another boat. The development team has confirmed on the stage that will run to 60 BF4 frame per second. It was also announced the First DLC Assault that will be exclusive to Xbox One time.
Update: submitted the demonstration.