Mozilla Firefox是一个自由的,开放源码的浏览器,适用于Windows, Linux 和 MacOS X平台。它 还有其它一些高级特征,如标签式浏览,可以禁止弹出式窗口.内置了钓鱼保护、改变标签浏览行为、能够重新打开以外关闭的标签、更好的支持网页订阅的预览和订阅、拼写检查、支持JavaScript 1.7等.  下载:Mozilla Firefox 5.0 Beta 6
Partial Landings/WIPs/Incoming:BETA
#619201 BACKOUT [Core:Security: PSM]-nsCertOverrideService needs to initialize on the main thread to use the directory service [Lin]
#655703 BACKOUT [Toolkit:General]-accessibility.typeaheadfind.enablesound is true by default, this is a PITA of 98.34% of linux users [Lin]
Regressions/Annoying/Common bugs:
#640452 [Core:General]-[meta] leaks and quasi-leaks for Firefox 5 [All]
#640457 [Core:General]-[meta] memory size reductions for Firefox 5 [All] | 
