See the Changelog for list of features and fixes.
Ability to use Blocklist(s)
Submitted by melem on Tue, 10/18/2011 - 05:37
Same function as uTorrent and Transmission (=torrent client on Mac) have. You can download a third party blocklist, like from iblocklist.com, and Soulseek will automatically guard the client all the ip's on that list.