Firefox 3.1 Beta 2 Now Available for Your Testing Pleasure

All platforms: Hot off the press, the second beta of Firefox 3.1 is now available for download. In addition to Private Browsing Mode, tab tearing, and the speedy TraceMonkey Javascript engine turned on by default, the release notes list what else you get:

• This beta is now available in 54 languages.
• Added functions to make it easy to clear recent history by time as well as remove all traces of a website.
• New support for web worker threads.
• Improvements to the Gecko layout engine, including speculative parsing for faster content rendering.
• Removed the new tab-switching behavior based on feedback from users
• Support for new web technologies such as the <video> and <audio> elements, the W3C Geolocation API, JavaScript query selectors, CSS 2.1 and 3 properties, SVG transforms and offline applications.

Oh and one thing the release notes don't include: an awesome welcome screen with a new robot.

Here's what pr0n mode, that is, "Private Browsing" looks like:

You can also clear all your private data:

Or just your history from today's secret browsing, or the last few hours, in case you forgot to kick into Private Browsing mode earlier:

Intrepid testers, be warned: most of your extensions will probably not work with beta 2, unless you use an about:config trick to force compatibility. The Firefox 3.1 Beta 2 is a free download for all platforms; if you decide to test it, be sure to back up your Mozilla profile just in case (or maybe wait for the portable version release).

Firefox 3.1 Beta 2 [Mozilla]

via Lifehacker