This is what I found by using Process Explorer.
As you can see, the Virtual Size is very big, they are trying to using a large Virtual Size, so that it is much harder to attack the system? :)
If I am right, it should be start from 2048GB? :D
I was about to comment on this, but that's interesting.. I'll have to think about it a bit. Good observation!
Yup, so far I don't found any information about this change. :)