HTML Microdata publication history Date Status 28 January 2021 Retired 26 April 2018 Working Draft 10 October 2017 Working Draft 9 October 2017 Working Draft 26 June 2017 Working Draft 4 May 2017 First Public Working Draft 29 October 2013 Note 25 October 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 25 August 2009 Working Draft 23 April 2009 Working Draft 12 February 2009 Working Draft 10 June 2008 Working Draft 22 January 2008 Working Draft