Proximity Sensor publication history Date Status 27 November 2023 Working Draft 26 October 2023 Working Draft 30 January 2023 Working Draft 3 September 2021 Working Draft 17 August 2021 Working Draft 16 August 2021 Working Draft 4 June 2021 Working Draft 1 June 2021 Working Draft 31 May 2021 Working Draft 27 May 2021 Working Draft 5 March 2019 Working Draft 19 July 2016 Working Draft 3 September 2015 Working Draft 1 October 2013 Candidate Recommendation Snapshot 6 December 2012 Last Call Working Draft 12 July 2012 Working Draft