According to FCC, the upcoming FF190003 camera will get leaked on January 24th, 2020. On the day, you will able to see test photos of Fujifilm FF190003. The official announcement could be soon after that day.
Currently, there is still no info about this camera code FF190003, since it has same menu screen as currently Fujifilm GFX 50R, it could be a new medium format camera. There is also a chance that this camera could be long awaited Fujifilm X100V.