Yes, JQuery 1.2 is out. If examples around the web and our previous coverage didn’t entice you enough, this one should:
jQuery UI signals the start of a whole new branch of the jQuery project which will focus on developing high-quality, reusable, components that you’ll be able to drop in your applications. Frequently, these components are coming directly to you from traditional jQuery plugins, but with strict coding, documentation, themeing, and demo standards. We hope you’ll enjoy this new level of quality as much as we do.