XQuery Update Facility 1.0 publication history Date Status 17 March 2011 Recommendation 25 January 2011 Proposed Recommendation 9 June 2009 Candidate Recommendation Snapshot 1 August 2008 Candidate Recommendation Snapshot 14 March 2008 Candidate Recommendation Snapshot 28 August 2007 Last Call Working Draft 11 July 2006 Working Draft 8 May 2006 Working Draft 27 January 2006 Working Draft