Having just moved from NX9 to NX11, I now have a user that wants the Window drop down, to "go back like NX9", where he says the listing was chronological, in the order you opened the parts, and did not change.
I don't ever recall it being like that, but instead showing the last 10 you had displayed, and the list changed as you changed parts. Now, I didn't use the Window drop down much, relying on the assembly navigator, but was it ever like this?