I just recently discovered that when you use the Enscape "create view" it turns on skp shadows in the view. I did not realized this and so I am trying to edit things with enscape running and shadows in skp. I thought my video card was crashing but it was just trying to do too much. Now that I know this it likely solves many of my crashing / ridiculously slow problems that I could not understand prior to realizing this is how enscape views are created. I never have shadows turned on in my skp scenes so it did not occur to me that this could be the issue.
I am wondering why it does this? I can't see what the value of it would be? Regardless I hope it is something Enscape considers changing in the future, but it is an easy fix now that I realize the problem.