According to the plan proposed by the W3C in September 2012, the HTML 5.1 specification Recommendation will be targeted for the end of 2016.
A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at http://www.w3.org/TR/. The W3C HTML Working Group is the W3C working group responsible for this specification's progress. This specification is the 28 October 2014 Recommendation.
HTML5 itself, according to the standard, is a markup language (just like HTML4) but the way the term is being commonly used is as a conglomerate of web technologies, including javascript (a programming language), CSS (a styling mechanism), HTML (a markup language) and sometimes server side languages as well
