It looks like Fujifilm is ready to update their medium format GFX lineup. It looks like Fuji is bringing a new 102mp BSI image sensor and an aggressive launch price of $5999 USD.
Rumoured Fujifilm GFX 100S Specifications:
102MP 43.8 x 32.9mm medium format BSI CMOS Sensor
Smaller body compared to the Fujifilm GFX 100
IBIS (5-axis sensor-shift image stabilization)
To be announced at the end of this month
Fujifilm is also planning a new GF lens according to Photo Rumors in the form of a GF 80mm f/1.7 WR.