Could we have someone look into this issue again please? This is definitely not a laptop graphics adapter issue as I am running an AMD Radeon R290X and I am getting the same issue.
Additionally here is another user reporting the same issue →
It happens with the UFO demo and with a custom built project using our own vehicles both in the editor and with fully cooked builds. The jittering happens as soon as you enable camera lag.
Here is what I have found so far… The issue is worst for me when camera lag is turned on and I have something else running that is utilising the video card (like a HD video in VLC, an active YouTube video etc). As soon as I close these applications the issue is dramatically reduced but not eliminated. For reference I find it easier to see using a camera and rotation lag speed of 50.
Whilst I appreciate that running things in the background is going to affect the performance I can quite happily do these things with other engines and games without issue. I can also do it with Unreal Engine as long as I don’t use the spring arm 
Please can you continue to investigate this issue?