New Features:

• Core | DHT torrent lookup now based on sha1(hash) and torrent xfer encrypted using hash-derived key
• Core | More aggressive banning of peers sending bad data - algorithm change and block-banning feature
• Core | Support for multiple DHT networks on same port
• Core | Introduced "passive torrents" - these are tracked but not downloaded
• Core | Category setting functions added to "My Tracker"
• Core | Added ability to make plugin config ui components invisible
• UI | Average peer speed for swarm column added
• Plug | Plugin interface extension to allow per-plugin torrent-attributes
• Plug | Plugin ResourceDownload feature for accessing content-type

Changes:

• Core | Improved optimistic unchoke anti-leech algorithms
• Core | CVS versions run multiple DHTs to permit validations of changes
• Core | DHT anti-spoof for cache forwards
• Core | DHT mechanisms for flood prevention
• Core | Added local tracker url to torrents when hosting external torrents
• Core | Hosted torrents now become "passively tracked" when their corresponding download is removed
• Core | More pro-active injection of DHT scrapes for torrents with failing trackers
• Plug | More JPC plugin enhancements to help reduce cache server load

Corrected bugs:

• Core | DHT protocol version logic fixes
• Core | Fix for 100% cpu when more than 60 connections are registered with a selector under buggy network stacks
• Core | Invalid listen port configuration would prevent Azureus from starting
• Core | Added hooks to catch Windows shutdown events to allow graceful Azureus exit
• Core | Fix for start-stopped non-simple torrents showing data-missing error on restart
• Core | Fix for drag-n-drop SWT exceptions blocking Azureus startup
• Core | Fixed up "interested" message for downloads with "do not download" files
• UI | Categories not being correctly displayed when torrents transit between downloading and seeding