HTML5 Web Messaging publication history

Date	Status
28 January 2021	Retired
19 May 2015	Recommendation
7 April 2015	Proposed Recommendation
1 May 2012	Candidate Recommendation Snapshot
13 March 2012	Last Call Working Draft
20 October 2011	Working Draft
17 March 2011	Last Call Working Draft
18 November 2010	Working Draft