Capture One 16.4.4 added Reala Ace film simulation support for Fujifilm cameras.
Fujifilm Reala Ace Film Simulation Updates
The Reala Ace Film Simulation is now available for the Fujifilm X-H2, X-H2s, X-S20, and X-T5. We’ve also improved the current Reala Ace implementation for Fujifilm GFX100II, GFX100IIS and the X100VI.