HTML5 is a markup language, has been come into existence around January 2008. The two major organizations have been involved in developing of HTML5 since its initial time. One is W3C (World Wide Web Consortium) and the other one is WHATWG (Web Hypertext Application Technology Working Group). According to these organizations, they have been working on the HTML5 since initial time. So HTML5 language is still under development. There is more about to come yet in HTML5.
During the development of HTML5, It was announced that the HTML5 will reach the W3C recommendation till at the end of 2010. But the last call didn’t match till the target date. Now according to W3C the HTML5 will reach its full recommendation last by 2014.
Where according to WHATWG the last call for HTML5 Specification was in October 2009. Then suddenly the amazing changes in decision the WHATWG started to work on envisioning development of HTML, and with abounding its HTML5 Project. Later in January 2011, it renamed the HTML5 Standard to HTML5.
On 18 January 2011, the W3C introduced a logo to represent the HTML5 interest. While presenting its logo to publicly, W3C announced that, the logo can be used for general purpose.