A new version of the CAPE-OPEN standard, i.e. version 0.9.3, has been released in August 2001.

The interface specification document on Thermodynamics and Physical Properties was updated in this version. A new interface specification document was released on Unit Operations. Four new documents were released in the Common Interfaces section: an overview document, an interface specification document on Identification, one on Parameters and one on Error Handling.

Version 0.93 has been deprecated on May 2009.