8 August 2017  |  Archive The  Web Platform Working Group  invites implementations of  HTML 5.2  Candidate Recommendation. This specification defines the 5th major version, second minor revision of the core language of the World Wide Web: the Hypertext Markup Language (HTML). In this version, new features continue to be introduced to help Web application authors, new elements continue to be introduced based on research into prevailing authoring practices, and special attention continues to be given to defining clear conformance criteria for user agents in an effort to improve interoperability.

8 August 2017  |  Archive The  CSS Working Group  invites implementations of  CSS Containment Module Level 1  Candidate Recommendation. This CSS module describes the  ‘contain’  property, which indicates that the element’s subtree is independent of the rest of the page. This enables heavy optimizations by user agents when used well. CSS  is a language for describing the rendering of structured documents (such as HTML and XML) on screen, on paper, in speech, etc.