HTML5 is the latest and most enhanced version of HTML. In HTML5, there are many new advance tags and attributes have been introduced and some old HTML tags and attributes have been removed. HTML5 new elements and attributes help to make web design easy, attractive and more meaningful.
In 2008, the first version of HTML5 has been released and it is still in development. In 2016, HTML5.1 version has been introduced but there is more about to come in HTML5.