Firefox 3.5 Beta 4

Please note: Firefox 3.5 Beta 4 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 3.5 Beta 4 is now available for download. It is focused on testing the core functionality provided by many new features and changes to the platform scheduled for Firefox 3.5.

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

* This Beta is now available in 70 languages.

* Better performance and stability with the help of new TraceMonkey JavaScript engine.

* The ability to provide Location Aware Browsing using web standards for geolocation.

* Support for new web technologies such as: HTML5 and elements, downloadable fonts and other new CSS properties, JavaScript query selectors, HTML5 offline data storage for applications, and SVG transforms.

Testers can download Firefox 3.5 Beta 4 builds for Windows, Mac OS X, and Linux in 64 different languages. Developers should also read the Firefox 3.5 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 3.5 Beta 4 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.