The latest installment of Firefox has been released and it’s full of some thoughtful features. Click-to-play blocklisting will help stop those annoying ad videos; ya know… the ones that obnoxiously start playing without any interaction. Mozilla reported 20 performance improvements in Firefox 17. But the one feature getting the most attention? Facebook Chat API. Log in and access your complete Friends list without missing a beat. No bugs reported just yet. Hit the jump for the full list of new features. Tat Wza