HTML+RDFa 1.1 - Second Edition publication history Date Status 17 March 2015 Recommendation 16 December 2014 Proposed Edited Recommendation 22 August 2013 Recommendation 25 June 2013 Proposed Recommendation 7 February 2013 Last Call Working Draft 13 December 2012 Working Draft 11 September 2012 Working Draft 29 March 2012 Working Draft 25 May 2011 Last Call Working Draft 5 April 2011 Working Draft 13 January 2011 Working Draft 19 October 2010 Working Draft 24 June 2010 Working Draft 4 March 2010 Working Draft 15 October 2009 Working Draft