According to Nokishita Camera, two new Fujifilm camera codes FF190004 and FF190005 now registered in China MIT. And the announcement date for FF190003 now delayed until February 4th, 2020.
As already rumored before, Fujifilm will announce a new camera (X-T4 ?) to replace current X-T3 in early 2020. So at least there will be another two new cameras coming in 2020.