Gnucleus 1.8
Entirely new and rewritten supernode (ultrapeer) system
Ultrapeer specs standardized and compatible with LimeWire and BearShare
Shared files searched through on a lookup table, incredibly fast
Download status indicated in search window
PHP, ASP, and ColdFusion versions of GWebCache now available
GIrcCache system recognizes ultrapeers now
Fixed selected files in search window from changing
Fixed right-click extended info bug
Fixed bug in pong-caching

http://www.gnucleus.com/general/download.html