Update: Square Enix's live program,
You can view the trailer below.
The original article follows.
Square Enix have unveiled a new Kingdom Hearts HD 1.5 + 2.5 Remix trailer at Jump Festa 2017, according to rikunami13, an attendee at the event. This trailer was different from the game's announcement trailer.
We will update this article with the new trailer as soon as it becomes available online.
A Kingdom Hearts HD 2.8 Final Chapter Prologue trailer was also shown, but it was not a new one. It may have possibly been the final trailer for the game, which was released on December 8, 2016.
Kingdom Hearts HD 1.5 + 2.5 Remix releases on March 9, 2017 in Japan, March 28, 2017 in North America, and March 31, 2017 in Europe. The PS4 collection will be running at 60 frames per second, and rendered at 1080p. Additionally, the game has been reported to show an improvement in graphics from its PS3 counterparts.