Speech Synthesis Markup Language (SSML) Version 1.1 publication history Date Status 7 September 2010 Recommendation 23 February 2010 Proposed Recommendation 27 August 2009 Candidate Recommendation Snapshot 7 November 2008 Candidate Recommendation Snapshot 20 June 2008 Last Call Working Draft 17 March 2008 Working Draft 12 December 2007 Working Draft 4 September 2007 Working Draft 11 June 2007 Working Draft 10 January 2007 Working Draft