Firefox 18.0

# NEW
- Faster JavaScript performance via IonMonkey compiler
- Support for Retina Display on OS X 10.7 and up
- Preliminary support for WebRTC
# CHANGED
- Experience better image quality with our new HTML scaling algorithm
- Performance improvements around tab switching
# DEVELOPER
- Support for new DOM property window.devicePixelRatio
- 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
- Disable insecure content loading on HTTPS pages
- Improved responsiveness for users on proxies