Its with godox equipment, but happens with canon flashes too. I know that a lot of people are having similar issues with profoto, canon, godox and others. It all sounds like it is electronic shutter and the delay timing.
Same issue on the rp and we don’t have access to the electronic shutter option. We also have the issue of the camera randomly changing iso when a trigger is on the hot shoe. Had it happen 3 times on shoots today and he’s issue. Called canon as others have logged it 3weeks ago and they just...