The W3C HTML Working Group, responsible for the HTML5 specification’s progress, has published a Proposed Recommendation of HTML5 (on 16 September 2014). This specification is intended to become a W3C Recommendation (or Web standard).
The W3C Membership and other interested parties are invited to review the document and send comments to public-html@w3.org (archives) through 14 October 2014.
Learn more about the HTML Activity.