If you are, like me, always eager to test the latest and greatest that the CMS world has to offer, you'll be excited to know that there's a new beta available for the upcoming 3.6 release of WordPress. Just released today, this new beta includes a host of new features, outlined below. I'd suggest that if you are a theme or plugin developer, you start testing right away in order to ensure your code is going to function properly with the changes in this release.
Here’s what’s new in 3.6:
Don't have time to download but you're dying to know what the changes look like?
Here's what the new post formats interface looks like in WordPress 3.6:
Here is the new default theme, entitled “Twenty Thirteen” for those who haven't seen it:
Eager to test it out? Here you go: http://wordpress.org/news/2013/04/wordpress-3-6-beta-1/