What's new in 2.3.0.6
1. What's new in Azureus 2.3.0.6

This is a further bug fix release and also contains various improvements including:
  • Better banning of peers that send corrupt data
  • Alternative upload controls when only seeding
  • Renaming and retargeting of files within a download
  • Better reporting of firewalled status
  • NAT traversal for magnet downloads
  • Java 5.0 support for OSX
  • Bugfixes

Note: New Windows launcher exe might require allowing "Azureus.exe" internet access in your software firewall (instead of javaw.exe previously).

2. Full ChangeLog
http://azureus.sourceforge.net/changelog.php?version=2.3.0.6