Web Services Description Language (WSDL) Version 2.0 SOAP 1.1 Binding publication history Date Status 26 June 2007 Note 23 May 2007 Working Draft 26 March 2007 Working Draft 27 March 2006 Working Draft 6 January 2006 Working Draft 3 August 2005 Last Call Working Draft 10 May 2005 Working Draft