Dojo 1.5 Released
Dojo 1.5 is out, and there’s a heck of a lot of new stuff in this release. In addition to improvements to the core codebase, there are scads of extremely useful feature additions. For instance, Dojo now shows how forward-looking it is with its excellent cross-browser support for HTML5 & CSS3 features, such [...]

Diffable
Diffable is a new project from a scrappy little web firm called Google. Here’s the idea behind Diffable: If a user has a version of your page’s Javascripts cached, the next time that user visits your page, they’ll only have to download any changes to those scripts.
Diffable was initially developed by members of the [...]

Okay, the news this week leans pretty heavily towards general web development stuff rather than Javascript specifically, but it’s good stuff. I promise.
ChromeKit
ChromeKit is a new library for creating desktop-like UI elements in the browser. It allows you to create windows with full chrome that allow you to do all of the things you’d expect [...]