Mozilla放出了最新的Firefox 33 for Windows、Mac 、Linux、以及Android正式版。与以前的版本不同，本次更新更注重于性能和安全性，以及社区中呼声极高的部分新功能。对于桌面版来说，Firefox 33最大的变化是引入了WebRTC通信功能。
下载地址:
ftp://ftp.mozilla.org/pub/firefox/releases/33.0.2/
Fixed 33.0.2: Fix a startup crash with some combination of hardware and drivers New OpenH264 support (sandboxed) New Improved search experience through the location bar New Windows: OMTC enabled by default New Slimmer and faster JavaScript strings New Search suggestions on the Firefox Start (about:home) and new tab (about:newtab) pages New Support for connecting to HTTP proxy over HTTPS New New CSP (Content Security Policy) backend New Improved reliability of the session restoration New Azerbaijani [az] locale added Changed JSD (JavaScript Debugger Service) removed in favor of the Debugger interface Changed Proprietary window.crypto properties/functions removed HTML5 DOMMatrix interface implemented HTML5 @counter-style rule from CSS3 Counter Styles specification implemented Developer Cubic-bezier curves editor Developer Paint flashing for browser content repaints Developer Display which elements have listeners attached Developer New sidebar which displays a list of shortcuts to every @media rule in the current stylesheet Developer Editable @keyframes rules in the Rules section of the Inspector Developer CSS transform highlighter in the style-inspector Fixed 33.0.1: Firefox displays a black screen at start-up with certain graphics drivers Fixed Various security fixes unresolved Fix incomplete downloads being marked as complete by detecting broken HTTP1.1 transfers (237623) unresolved PDF.js: With some images, wrong colors could show up. Affects a very small number of PDF unresolved Some certificate errors cannot be overridden (1042889) unresolved Windows:
On some combination of hardware and drivers, the main window could be
black. In this case, update your graphics drivers (1083071)
新闻来源：Mozilla Firefox 33.0.2 正式版发布