It's not uncommon for schools to leave large groups of people without answers about their applications. Schools do this so that if things go really unexpectedly wrong (large numbers of acceptees and waitlistees reject Berkeley's offer) they can admit from the group of people good enough to not get instantly rejected until their class is full.
It's pretty unlikely you'll get something other than a rejection, but if things break just your way, people do get in off these so-called "hidden waitlists," so unless you're about to accept an offer elsewhere, it's probably not worth soliciting anything from Berkeley. You can still probably treat it as a de facto rejection in your calculations.
Edit: I went back and checked and I also don't think they sent out rejections. If that's the case, then this doesn't apply at all and they just haven't rejected anyone yet.
