In TKU April 2010, the publisher was changed from "Business Objects" to "SAP AG".
In TKU September 2011 the 'publishers' value in metadata was set to "SAP" for consistency with other patterns.
In TKU July 2013 a product version mapping table was added.
In TKU August 2013 the software instance type was updated to ensure it properly reflects the different publishers that have published the product during it's lifecycle, (the known versions section of the documentation has full details)
In TKU November 2014 software instance type was changed from SAP Crystal Query Server to SAP Crystal Report Application Server, known_versions updated and short_name attribute added.