According to Big Download, the PC version of Star Wars: The Force Unleashed: Ultimate Sith Edition has a new patch available for North American and EU PC gamers. Besides addressing some performance problems, the new patch enhances gameplay with additional controller support. The list of new enhancements from Big Download is displayed below and you can click here for the source post with v1.1 Patch download links.

-General performance optimizations
-Optimized in game cloth handling
-Optimized in game trees leaf handling
-Added a detail setting to improve performance on lower end (dual core) machines
-Addressed audio stuttering issues
-Addressed options disappearing briefly after pressing [Esc] at the Main Menu
-Addressed flashing placeholder text

-Xbox 360 Controller for Windows
-Xbox 360 Wired Controller
-Logitech Rumblepad 2
-Logitech Cordless Rumblepad 2
-Logitech Dual Action Controller
-Saitek Cyborg Rumble
-Saitek P32 Rumble


Source: Big Download