Download Firefox 3.1 Beta 3

Mozilla has announced the released of the Firefox 3.1 beta 3, which is the fifth development milestone and third beta release of 3.1 to the testing community.


This version of Firefox is based on the Gecko 1.9.1 rendering platform which has been in development for last 9 months.

Major Changes in Firefox 3.1 beta 3

  • This beta is now available in 64 languages – get your local version.
  • Improved the new Private Browsing Mode.
  • Improvements to web worker thread support.
  • Improved performance and stability with the new TraceMonkey JavaScript engine.
  • New native JSON support.
  • Improvements to the Gecko layout engine, including speculative parsing for faster content rendering.
  • 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.

If you are going to download the latest beta, be sure to backup your Firefox bookmarks and settings first, also some of your add-ons may stop working when you install this release.

Firefox 3.1 Beta 3 Release Notes

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Keith Dsouza

I am the editor-in-chief and owner of Techie Buzz. I love coding and have contributed to several open source projects in the past. You can know more about me and my projects by visiting my Personal Website. I am also a social networking enthusiast and can be found active on twitter, you can follow Keith on twitter @keithdsouza. You can click on my name to visit my Google+ profile.