Firefix 9 has a Beta.
According to Slashgear , Mozilla has developed Firefox 9 to the Beta stage. The new version of this browser has added some new features as well as more stable running. For Firefox 9 running on PC, the new Type Inference technology improves Java Script performance by up to 30%. In addition, standards like HTML5, MathML and CSS are better supported on this browser.
For Firefox running on Mac OS X Lion, the integration of the browser theme is also improved by the manufacturer. In addition, users can switch between different windows by surfing two fingers. Multi-point feature when the original web browsing is only available on Safari.
Users can download Firefox 9 Beta version for Windows, Mac and Linux operating systems here .