Not sure if it is related or not but since you did the 1.5 update for me on my system, I now cannot stay logged into WP. Every time try to access a different area of my dashboard, I get logged out of WP and I have to reenter my password. Everything seems very slow to load as well.
I now have a 404 error when accessing the customer account dashboard from the top bar header, clicking My Account-Dashboard returns a 404 error.
