It's been quiet around Obviel, the client-side web framework that I've been working on. That isn't because there wasn't any activity. The opposite is the case: I've just released Obviel 1.0b with a ton of new goodies. And when I mean a ton I do mean a ton:
For more details, here's the changelog.
You can get started with Obviel without learning a ton of new things beyond jQuery: learn about the new function .render() that Obviel adds to jQuery, and you're quite far along already. You'll find your client-side code becomes more clean and RESTful.
Obviel is there for you then you need more: templating, internationalization, forms, client-site routing, and more.