After many delays Firefox 3.6b1 has been released today! 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.

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• Firefox 3.6 will alert users about out of date plugins to keep them safe.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.

Please use the following links to download Firefox 3.6 Beta, or visit the beta download page:

• Windows: Firefox 3.6 Beta 1 Setup.exe
• Mac OS X: Firefox 3.6 Beta 1.dmg
• Linux: firefox-3.6b1.tar.bz2

Source:Mozilla Developers News