In his Siebel Essentials blog, Alexander Hansal explains Siebel Open UI Manifest Administration Changes in the latest innovation pack. He writes:
"Oracle's most recent release of Siebel CRM, known as Innovation Pack 2013 brings many features and enhancements in the Open UI area. One of the major changes is the way of storing references to the JavaScript files used by the Open UI framework."
You can read more at Siebel Open UI Manifest Administration Changes in IP 2013