My Mavic did NOT exhibit any stuttering issues for the last week (only week of ownership). Got the vids to prove it. I thought I must be lucky. Yaw stutter was at an absolute minimum or just not really noticeable at all. Then I did the firmware update today to .400. Firmware update went well, pretty much by the book (i.e. no issues, just the stall at 83% or whatever) and I updated the controller and the mavic seperately, via USB cable, using DJI Assistant. Then, I went out today and spent 40 minutes in the air... Apart from the gimbal recalibrating in mid flight (freaked me out a little), I thought everything went well. I came back to review my footage this evening, (same PC, using VLC as always) and it's terrible. Yaw stutter is out of control. Like I actually have a problem now. Conditions were pretty much the same.
So, is it firmware related? Well, probably not, since many people have downgraded the firmware and still have the issue. I was on .300 until this morning. I'm curious though about what has gone wrong. I wonder if my Mavic overheated during the firmware update and a component has gone bad. My battery only went down from 100% to 80% during the firmware update. It really only took about 10 minutes. And I've had it sitting on the bench before for longer than that. I'm at a loss as to what has happened.
EDIT: Running through this firmware update again, after a downgrade. I noticed that when it does stall at 83%, the fan stops, and the Mavic gets *really* hot to the touch.