Dragon Quest XI: In Search of the Departed Time has been confirmed for release on Nintendo's next console, NX, alongside versions planned for Nintendo 3DS and PlayStation 4. This happened during an interview with series creator Yuji Horii in the magazine Nintendo Dream (via Gematsu).
The NX version was initially outed when the game was announced, but Square Enix back tracked on it and said that the company only "considered" launching on NX. Now it looks like it's official, finally.
Dragon Quest IX: In Search of the Departed Time is expected to launch in Japan by May 2017. NX will be out by March, the same year.