Bart H writes about the Hasselblad X1D:
No electronic shutter options whatsoever…
DIGLLOYD: presumably the idea is that a leaf shutter suffices. Except that it does not suffice if one ever wished to shoot an adapted lens that lacks a leaf shutter. Which means just about all lenses. Thus the Hasselblad X1D can never work with adapted lenses unless the X1D is (a) actually capable of using an electronic first curtain (EF) shutter, and (b) Hasselblad updates the firmware to make it an option.
Fujifilm GFX shutter modes
The Fujifilm GFX has both a mechanical shutter and more shutter modes than any camera that I can recall, including an all-electronic shutter. Fujifilm apparently went to some trouble to do the shutter right. I don’t yet understand all these options or how to use them, but it’s clear that Fujifilm was thinking in very general terms about how the GFX might be put to work.