Mixed Content publication history Date Status 23 February 2023 Candidate Recommendation Draft 4 October 2021 Candidate Recommendation Draft 30 September 2021 Candidate Recommendation Draft 18 September 2021 Candidate Recommendation Draft 16 September 2021 Candidate Recommendation Draft 2 August 2016 Candidate Recommendation Snapshot 8 October 2015 Candidate Recommendation Snapshot 17 March 2015 Candidate Recommendation Snapshot 13 November 2014 Last Call Working Draft 16 September 2014 Working Draft 22 July 2014 First Public Working Draft