Department of Defense Discovery Metadata Specification - Versioning

Versioning

The DDMS is currently on version 4.1 released on June 12, 2012. It adds minor enhancements to the use of dates in various coverages, and updates to the latest versions of Information Security Marking (ISM V9) and Need-to-Know Metadata (NTK V7).

Earlier versions include:

• DDMS Version 4.0.1 (released November 18, 2011)
• DDMS Version 4.0 (released September 22, 2011)
• DDMS Version 3.1 (released July 5, 2011)
• DDMS Version 3.0.1 (released March 4, 2011, documentation update only)
• DDMS Version 3.0 (released September 2, 2010)
• DDMS Version 3.0 Pre-Release (released January 2010, pending ICISM modification).
• DDMS Version 2.0 (released July 17, 2008)
• DDMS Version 1.4 (released July 1, 2007)
• DDMS Version 1.3 (released July 29, 2005)
• DDMS Version 1.2 (released January 3, 2005)
• DDMS Version 1.1 (released July 1, 2004)
• DDMS Version 1.0 (released September 29, 2003)

Major version releases contain changes which break backwards compatibility with earlier versions.