Based on the flexible plug-in mechanism, the Ranorex tool set functionality grows constantly, and is now capable of identifying web applications in Firefox version 3.X. Unique identification of web elements, enables execution of the same test scripts in Internet Explorer and Firefox.

Major features
* Firefox 3.x DOM support has been added (via Ranorex addin)
* Image-based recording support has been added
* Image validation support has been added
* A new 'Edit' mode in Spy has been added for improved searching and filtering
* IronPython debugging support has been added
* Recording of mouse movements via hotkey is now supported
* The recorder and repository editor now support undo/redo
* Copy & Paste support for repository items and folders has been added

http://www.ranorex.com/news/article/ranorex-22-released-with-firefox-test-automation-plugin.html