herb - 3:49 pm on Nov 4, 2010 (gmt 0)

I thought W3C asked to hold off HTML5 deployment due to interoperability issues?

What has been released to production?

the pre-release version of Microsoft's Internet Explorer (IE) 9 browser offers the best conformance. IE 9 beat out the very latest, in-beta versions of industry darlings Google Chrome and Mozilla Firefox, as well as Apple's Safari—all of which widely tout their HTML 5 capabilities.