No everything is working fine, you’re probably just using the old Genesis XHTML code. If you’re using an HTML5 theme with Genesis 2.0, you have to use the new code snippets that StudioPress provided.
Take a look here – https://appfinite.com/topic/epik-1-3-for-genesis-2-0-html5-is-now-available/ and use the HTML5 code for whatever you’re using.
Here is the comparison from the old to the new – http://my.studiopress.com/docs/genesis-loop-hooks-comparison/