Thats the whole point of beta testing, its not public release (as suppose to it being the Pro version). They've also said 2.0.5 will probably not even make it into production, meaning released to the public. They're already working already working on 2.0.6 and 2.1.0 to fix most if all the problems with the size of the horizon for Leafs and Ultrapeers.
check out
http://www.gnutellaforums.com/showth...2&pagenumber=4