A new version of Deluge is out.

Changes added to this release,

Catch various exceptions from possibly corrupted persistent.state
Use pieces wanted instead of total pieces to draw adv progress bar
Properly catch ‘address already in use’ error when trying to use a port that is in use
Attempt to fix issue where all the columns start very small
Change how we handle fastresume - should prevent rechecking
New theme for windows
Performance enhancements by removing needless casts
Search is now a plugin
Browser removed

Download Deluge 0.5.8.1.