The Havok Physics engine has been upgraded to 5.5, according to a press release from today. The release includes new enhancements, features, "dramatically accelerating the development of cross platform, [and] cutting edge electronic entertainment."
The Havok Animation and Havok Behavior toolsets were also updated to 5.5, and the PlayStation 3 tools also received enhanced collision query optimizations. In a separate press release
, Havok announced Havok Cloth and Havok Destruction, whose intentions and use are pretty self-explanatory.