Shadow DOM publication history Date Status 1 March 2018 Retired 5 September 2017 Working Draft 13 February 2017 Working Draft 16 January 2017 Working Draft 28 November 2016 Working Draft 10 November 2016 Working Draft 13 October 2016 Working Draft 30 August 2016 Working Draft 24 June 2016 Working Draft 10 June 2016 Working Draft 1 June 2016 Working Draft 31 May 2016 Working Draft 15 December 2015 Working Draft 6 October 2015 Working Draft 17 June 2014 Working Draft 14 May 2013 Working Draft 16 October 2012 Working Draft 22 May 2012 Working Draft