Official release of Firefox 9

New Features of Firefox 9:

-Type inference:

In Firefox 9 Beta 1, type inference (Javascript. Options. typeinference: True) is added, greatly improving the speed of the JavaScript engine. Firefox 9 Beta 1's V8 test score (more than 5300 points) is 4300 higher than Firefox 8 (more than 1000 points), and Web page access speed is generally faster than Firefox 8.

-Supports Mac OS X lion:

Firefox 9 Beta 1 adopts a new interface, which is consistent with the toolbar and Icon style of the Mac OS X lion application. In addition, Firefox 9 Beta 1 supports two-finger click navigation gestures, improved multi-screen user experience;

-Do not track. Do not track JavaScript monitoring.;

-Brand new Android tablet UI:

The mobile version of Firefox 9 has customized a brand new user interface for the Android tablet. In the past few months, developers have been working hard. In the official version of Firefox 9, this new interface will finally be available to the public.

-Invisible perfection:

In addition to some new features that users can directly see and operate on, Firefox 9 has also carried out many background development projects, such as better support for HTML5, MathML, and CSS standards.