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 <video> and <audio>
elements, the W3C Geolocation API, JavaScript query selectors, CSS 2.1
and 3 properties, SVG transforms and offline applications.
Testers can download Firefox 3.1 Beta 3 builds for Windows, Mac OS X,
and Linux in 64 different languages:
http://www.mozilla.com/firefox/all-beta.html
Developers should also read the Firefox 3.1 for Developers article on
the Mozilla Developer Center.
http://developer.mozilla.org/en/Firefox_3.1_for_developers