HTML5 : The Revised Version Of HTML Aug 25, 2011 HTML5 : The Revised Version Of HTML HTML5 is a revised version of HTML standard. Its development is still under process. The difference between HTML5 and its immediate predecessors HTML4.01 and XHTML1.1 is that HTML5 has features like video playback and drag-and-drop which were missing in the earlier versions. The origin of the specification dates back to June 2004 by the Web Hypertext Application Technology Working Group (WHATWG) under the name Web Applications1.0.In March 2010 WHATWG was ready with the draft standard state of the specification. Information html html5 Revised Version