Kingdom Hearts 3 has a release date: January 29, 2019
https://www.cnet.com/news/kingdom-hearts-3-has-a-release-date-january-29-2019/
Kingdom Hearts 3 will hit the PlayStation 4 and Xbox One on Jan 29, 2019. The official announcement was made on Square Enix's Twitter.
It's a long time coming for fans. The gap between Kingdom Hearts 3 and Kingdom Hearts 2 will be just over 13 years. It's predecessor was first released in Japan back in December of 2005.