Firefox 18正式版发布

　　Mozilla今天发布了Firefox 18正式版，这款浏览器支持Windows，Mac和Linux，官方FTP服务器上已可以下载到Firefox 18正式版。

　　Changelog：

　　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: CSS3 Flexbox implemented.
　　DEVELOPER: Support for new DOM property window.devicePixelRatio.
　　DEVELOPER: Support for @supports added.
　　DEVELOPER: Improvement in startup time through smart handling of signed extension certificates.
　　HTML5: Support for W3C touch events impemented, taking the place of MozTouch events.
　　FIXED: Disable insecure content loading on HTTPS pages (62178).
　　FIXED: Improved responsiveness for users on proxies (769764).

　　下载：ftp://ftp.mozilla.org/pub/mozilla.org/firefox/releases/18.0/