So far, only the Windows version is available.
Following the example of Canon, Fujifilm has released a program that allows you to use cameras as webcams. As we already reported, Canon started with a version for Windows, and recently released a beta version for macOS. Fujifilm X Webcam is currently only available for the 64-bit version of Windows 10.
Fujifilm Launches Application Converting X-Series and GFX System Cameras to Webcams
The list of compatible cameras includes the GFX100, GFX 50S, GFX 50R, X-H1, X-Pro3, X-Pro2, X-T4, X-T3, and X-T2. With Fujifilm X Webcam, these cameras can be used with video conferencing software such as Skype and Zoom.
