I received the same crash... here's a video I made.
Strangely enough, I did a clean install last night (after Apple contacted me and offered me an exchange and cancelled my AppleCare) and I added 4 resource heavy videos to my Media Encoder render queue, openened Premier and After Effects and started fiddling around with those WHILE it was rendering... and I couldn't get it to crash!
My machine was hot enough to fry an egg on it... it was bogged down pretty good and started choking, but I was unable to get it to crash again.
I have no idea if my fresh OS reinstall had anything to do with that, but I'm copying some of my work files onto a drive that are total bears and I'm going to try these and see what happens.
So frustrating.
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How are you using your machine?
Are you rendering video files and doing working with resource intensive programs and files?