Mozilla开始测试Firefox 4.2 Alpha版

　　当地时间今天早上，Mozilla的Nightly网站开始用"Minefield"标识测试Firefox 4.2 Alpha版本，而根据开发计划，Firefox 5也将在今年6月份启动。Firefox 4.2 Alpha基于现有的4.0版本开发，目前暂时向上不支持扩展，代码也处于不稳定状态，值得注意的是我们还看到了官方版的64位产品。

访问:Firefox Nightly Builds
Fixed:

postlink href="http://bugzilla.mozilla.org/show_bug.cgi?id=644139" target=_blank>#644139 [Toolkit:Build Config]-mozapps/preferences no longer included in omni.jar (Change Master Password dialog doesn't work) [All]

#644164 [Core:Build Config]-make configure depend on the various version files [Win]

#638292 [Toolkit:Add-ons Manager]-InstallTrigger is not defined when a new page is opened by clicking a link with target="_blank" or using window.open [All]

#639090 [Toolkit:Startup and Profile System]-Safe Mode dialog doesn't allow the user to restart in normal mode [All]

Partial Landings/WIPs/Incoming:

#636190 [mozilla.org:Release Engineering]-Change firefox version on mozilla-central to 4.2a1pre [All]

#259861 [Core:XBL]-Should log errors on bindings with no id attribute [Lin]

#457102 [Core:DOM]-kill nsIXPointer [Mac]

#585786 [Core:XPConnect]-Get rid of slimwrapper checks in quickstubs when we can [Mac]

#595785 [Toolkit:Download Manager]-Getting a download's nsIChannel appears unreliable [All]

#601332 [Core:Layout]-Sunspider 0.9.1 never paints its subframe [Win]

#614145 [Core:XPConnect]-Fast-path null return values in quickstubs [Mac]

[BACKOUT]#617339 [Core:HTML: Parser]-window.arguments is undefined when opening an HTML file with a long-ish comment at the start. [Mac]

#632904 [Core:Editor]-Editor/IME/spellcheck use content states when they mean IsEditable() [All]

#636336

#637644 [Core:DOM: Core & HTML]-adding elements through Javascript to Popup windows does not work. [All]

#643429 [Core:Geolocation]-Remove IsBetterLocation functionality [Mac]

#640201 [Core:Geolocation]-mGeolocation should NOT be set before Init() is called [All]

Regressions/Annoying/Common bugs:

None.