#1 - July 13, 2012, 9:57 p.m.
EDIT BLUE POST:
07/13/2012 03:34 PMPosted by ZarhymThis download is necessary. We'll have more information on it for you shortly.
EDIT: Looks like the patch isn't actually adding 20 gigs to your HDD but replacing your beta folder. Gathered from multiple posts in this thread.