Version 2.3 (1104) is the latest version offered through the MacHeist.com Project. Otherwise, the following information is posted regarding Sofa Control version 2.2:

Sofa Control Release Notes
Version 2.2 (October, 2007)

Version 2.2 adds new scripts and has bugfixes and improvements for Mac OS X 10.5 Leopard compatibility.

* Support for TheTube
* Contacts script for browsing your address book
* Leopard compatibility
* Fix for keystroke simulation on non english systems

Among stability and performance improvements this version includes unique features like:

1. Advanced scripts for iTunes, DVD Player, EyeTV, VLC, Democracy, Yojimbo, and many more. Check out the supported applications for a full list
2. New Global Actions for system level settings like changing the mirror mode or primary display.
3. Sleep timer when you want your Mac fell asleep as well.
4. Support for another remote control, the Keyspan RF Remote for FrontRow.