Firefox 3.1 beta3 Has Been Released (Download for Windows, Linux, Mac and Ubuntu)

Firefox 3.1 beta3 has been released. See release notes below:

Firefox 3.1 Beta 3 is based on the Gecko 1.9.1 rendering platform, which has been under development for the past 9 months. Firefox 3.1 is an incremental release on the previous version with significant changes to improve web compatibility, performance, and ease of use:

• 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

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

Firefox 3.1 beta 3 is going to be the last called '3.1', from now on, Mozilla is going to call it Firefox 3.5:

The upcoming Firefox release (Shiretoko) which is currently in development will be released as Firefox 3.5 instead of the planed 3.1. It should be noted, that Firefox Beta 3 which is going to be released within 5 days will still have 3.1 tag.

Download Firefox 3.1 beta3 for Windows / Linux / Mac.

Add repositories to be able to install Firefox 3.1 beta3 for Ubuntu.