If you’re a Web developer, you likely already know about Firebug--the amazing web development add-in for Firefox. (It was one of WebWorkerDaily's 6 recommended Firefox extensions for web workers and readers wrote in about it in response to our list too.) But if you haven’t been following the Firebug development blog, you may not know the latest news: Firebug 1.2 has moved from alpha to beta, and it’s ready for Firefox 3. even though the Release Candidate for version 3 doesn't yet work with many other extensions. WebWorkerDaily has a report on version 1.2's better Javascript debugging, new console and more. Check it out.