Metadata API for Media Resources 1.0 publication history Date Status 13 March 2014 Recommendation 15 October 2013 Proposed Recommendation 11 April 2013 Last Call Working Draft 22 November 2011 Candidate Recommendation Snapshot 12 July 2011 Last Call Working Draft 8 June 2010 Last Call Working Draft 9 March 2010 Working Draft 20 October 2009 Working Draft