Mozilla has uploaded Firefox 9.0 final version to it’s FTP servers. The official announcement can be made anytime now.

Firefox now will be able to run JavaScript-heavy websites faster thanks to new “Type Inference” feature in the JavaScript engine.
Another addition in Firefox 9 is a method for checking for the “Do Not Track” option via JavaScript, rather than just reading the HTTP header.
The mobile version of Firefox 9 comes with a brand new and customized interface for Android tablets. Firefox 9 also integrates better with the latest Mac OS X.

Update: Mozilla Firefox 9.0 got updated to 9.0.1 two days from its version 9.0 official release.

What’s new in Mozilla Firefox 9.0.1?

The latest version of Firefox has the following changes:

• Added Type Inference, significantly improving JavaScript performance
• Improved theme integration for Mac OS X Lion
• Added two finger swipe navigation for Mac OS X Lion
• Added support for querying Do Not Track status via JavaScript
• Added support for font-stretch
• Improved support for text-overflow
• Improved standards support for HTML5, MathML, and CSS
• Fixed several stability issues
• Fixed several security issues

Please see the complete list of changes in this version.

Download Mozilla Firefox v9.0.1 for Windows

Note: We have an article that always updated when Firefox release a new version of its browser, and you can check it out here.