Firefox 3.1 Beta 3 now available for download

Editor’s note: Mozilla released Firefox 3.1 beta 3 on Thursday, March 12, 2009 at 12:11 pm PT. Check out the Mozilla Developer News announcement reposted below for more details.

Please note: Firefox 3.1 Beta 3 is a public preview release intended for developer testing and community feedback. It includes many new features as well as improvements to performance, web compatibility, and speed. We recommend that you read the release notes and known issues before installing this beta.

Firefox 3.1 Beta 3 is now available for download. This milestone is focused on testing the core functionality provided by many new features and changes to the platform scheduled for Firefox 3.1. Ongoing planning for Firefox 3.1 can be followed at the Firefox 3.1 Planning Center, as well as in and on in #shiretoko.

New features and changes in this milestone that require feedback include:

* Improved the new Private Browsing Mode, including the ability to “Forget This Site” from the History sidebar.

* Improved performance and stability with the new TraceMonkey JavaScript engine.

* Improvements to web worker thread support.

* 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

Testers can download Firefox 3.1 Beta 3 builds for Windows, Mac OS X, and Linux in 64 different languages. Developers should also read the Firefox 3.1 for Developers article on the Mozilla Developer Center.

Note: Please do not link directly to the download site. Instead we strongly encourage you to link to this Firefox 3.1 Beta 3 milestone announcement so that everyone will know what this milestone is, what they should expect, and who should be downloading to participate in testing at this stage of development.

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