Firefox 3.6 Enters Beta 1

The Mozilla community has now release Firefox 3.6 Beta 1 for download. This beta version of the next version of Firefox is built on the Gecko 1.9.2 web rendering engine, containing many improvements for web developers, Add-on developers, and users. The Mozilla community appreciates your feedback and assistance in testing this preview of the next version of Firefox. Your beta software will update itself periodically, and eventually will be updated to the final release itself.
This first revision of the Beta of Firefox 3.6 / Gecko 1.9.2 introduces several new features:

• Users can now change their browser’s appearance with a single click, with built in support for Personas.
• Firefox 3.6 will alert users about out of date plugins to keep them safe.
• Open, native video can now be displayed full screen, and supports poster frames.
• Support for the WOFF font format.
• Improved JavaScript performance, overall browser responsiveness and startup time.
• Support for new CSS, DOM and HTML5 web technologies.

Web developers and Add-on developers should read more detail about the many new features in Firefox 3.6 for developers on the Mozilla Developer Center. For the full list of changes since the alpha release, see this list (it’s big).
Please use the following links to download Firefox 3.6 Beta, or visit the beta download page:

• Linux: firefox-3.6b1.tar.bz2

At this time most Add-ons have not yet been upgraded by their authors to be compatible with Firefox 3.6 Beta. If you wish to help test your Add-ons, please also download and install the Add-on Compatibility Reporter – your favorite Add-on author will appreciate it!

Souce: https://developer.mozilla.org/devnews/index.php/2009/10/30/firefox-3-6-beta-1-is-now-available-for-download/