Good news for the Japanese Kingdom Hearts fans!
The Japanese Disney website recently announced that Kingdom Hearts will be present at D23 Expo Japan 2018; in fact it looks like Kingdom Hearts will have its own panel which is currently being called "Kingdom Hearts Fan Event". This name is tentative however, and thus will change in the future.
D23 Expo Japan 2018 will take place from February 10 to 12, 2018 at the Tokyo Disney Resort and surrounding areas. More information can be found on their website if anyone's interested in making the trip!
Kingdom Hearts to Appear at Japan D23 Expo 2018 in February