Firefox version 18 released

Firefox has been updated to version 18.
Change Log:

• NEW Faster JavaScript performance via IonMonkey compiler
• NEW Support for Retina Display on OS X 10.7 and up
• NEW Preliminary support for WebRTC
• CHANGED Experience better image quality with our new HTML scaling algorithm
• CHANGED Performance improvements around tab switching
• DEVELOPER Support for new DOM property window.devicePixelRatio
• DEVELOPER Improvement in startup time through smart handling of signed extension certificates
• HTML5 Support for W3C touch events implemented, taking the place of MozTouch events
• FIXED Support for disabling insecure content loads on HTTPS pages through an about:config pref (62178)
• FIXED Improved responsiveness for users on proxies