Firefox 3.6 Beta 1 is now available for download
October 30th, 2009 at 4:20 pm

The Mozilla community is proud to 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• Firefox 3.6 will alert users about out of date plugins to keep them safe.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.

Get more info & download links:
Mozilla Developer News

Release Notes:
Beta revision 1: released October 30th, 2009

Firefox 3.6 Beta (revision 1) is the latest development milestone of the next version of the Firefox web browser. As beta software, this release is considered to be stable and safe to use for daily web browsing, though the features and content may change before the final product release.

At this time many Add-ons may not yet have been tested by their authors to ensure that they are compatible with this release. If you wish to help test Add-on compatibility, please install the Add-on Compatibility Reporter - your favorite Add-on author will appreciate it!

Check out what’s new, the known issues and frequently asked questions about the latest version of Firefox. Please tell us what you think, either by using this feedback form or by filing a bug in Bugzilla. We appreciate your input!

What’s New in Firefox 3.6 Beta (revision 1)
Firefox 3.6 Beta is built on Mozilla's Gecko 1.9.2 web rendering platform, which has been under development for several months and contains many improvements for web developers, Add-on developers and users. This version is also faster and more responsive than previous versions, and has been optimized to run on small device operating systems such as Windows CE and Maemo.

• This beta is available in more than 50 languages - get your local version.
• 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.

Developers can find out about all the all the changes and new features at the Mozilla Developer Center.

This list covers some of the known problems with Firefox 3.6 Beta which will be resolved in future versions:
All Systems

• The default position of tabs opened using the "Open in New Tab" control has changed to be to the immediate right of the current tab (see bug 465673)
• The "Enable Java" checkbox has been removed from the Content panel of Options/Preferences. Instead, users can disable Java through the Add-ons Manager, available in the Tools menu (see bug 506985)
• The "Properties" item in the context menu has been removed; for image properties, a new "Image Info" item will be added (see bug 513147)
• If FIPS mode is enabled and certain files have been removed from the system, the browser may crash on startup (see bug 522041)

Windows

• When restoring a browsing session, windows that were minimized may at times appear off the screen (see bug 520178)

Mac OS X

• Disabling the Java plugin will only apply to new windows until Firefox is restarted (see bug 521818)

Downloads: All Systems & Languages

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Beta revision 2: released November 10th, 2009
This is a beta version of the next feature release of the Firefox web browser, which will update itself during the beta period and eventually to the final release. The Mozilla community appreciates your feedback and assistance evaluating this preview of the next version of Firefox. You can help test Add-on compatibility by installing the Add-on Compatibility Reporter - your favorite Add-on author will appreciate it!

As beta software, this release is considered to be stable and safe to use for daily web browsing, though the features and content may change before the final product release.

What’s New in Firefox 3.6 Beta (revision 2)
Firefox 3.6 Beta is built on Mozilla's Gecko 1.9.2 web rendering platform, which has been under development for several months and contains many improvements for web developers, Add-on developers and users. This version is also faster and more responsive than previous versions, and has been optimized to run on small device operating systems such as Windows CE and Maemo.

• More than 190 bug fixes from the last beta to improve performance, stability, security and features.
• This beta is available in more than 45 languages - get your local version.
• 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.

It's on the main site now:
http://en-us.www.mozilla.com/en-US/firefox/all-rc.html

Beta revision 3: released November 17th, 2009
Get it here: http://www.mozilla.com/en-US/firefox/all-beta.html

What’s New in Firefox 3.6 Beta (revision 3)
Firefox 3.6 Beta is built on Mozilla's Gecko 1.9.2 web rendering platform, which has been under development for several months and contains many improvements for web developers, Add-on developers and users. This version is also faster and more responsive than previous versions, and has been optimized to run on small device operating systems such as Windows CE and Maemo.

• (NEW) Changes to how we allow third party software to integrate with Firefox in order to prevent crashes.
• (NEW) The ability to run scripts asynchronously to speed up page load times.
• More than 80 bug fixes from the last beta to improve performance, stability, security and features.
• This beta is available in more than 60 languages - get your local version.
• 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.

Click to view attachment