Service Workers publication history Date Status 12 July 2022 Candidate Recommendation Draft 19 November 2019 Candidate Recommendation Snapshot 13 August 2019 Working Draft 2 November 2017 Working Draft 11 October 2016 Working Draft 25 June 2015 Working Draft 5 February 2015 Working Draft 18 November 2014 Working Draft 8 May 2014 First Public Working Draft