2.2 Universal Binary. Binary Source

2.1 Enhancements for Growl 0.6 users. Icon color change. Binary Source

2.0.1 Fixed crashes for those who don't have growl installed. A few other small enhancements. Binary Source

2.0 Redesigned to be expandable through bundles. Added iTunes, Growl, and System features. Binary Source

1.0 Initial release. Binary Source