基于Gecko 37内核的Mozilla Firefox 37 Beta 3今日发布，从Beta 2开始，FTP里多了一个win64目录，Firefox首次在Beta分支里提供64位测试版，预计37版的正式发布时间在2015年4月左右。如果您有兴趣尝试下38、39版的64位程序，可以访问这里。 下载地址: http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/37.0b4/ Changes for Web developersDeveloper Tools Highlights: Security panel in the Network Monitor Animations panel in the Page Inspector Support for running a custom build step in WebIDE All devtools bugs fixed between Firefox 36 and Firefox 37. CSS display:contentsis now activated by default (bug 1102374andbug 1105369). CSS multi-column layoutis now working on element withdisplay:table-caption(bug 1109571). Relative positioning (position:relative) of table cells has been implemented (bug 35168). Our experimental, preffed off by default, implementation of CSS Ruby, now supports vertical positioning usingruby-position(bug 1055665). HTML The value<a rel="noreferrer"> now also works when the link is opened in new tab (<a class="external external-icon" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1031264" title="FIXED: does not work if open in new tab">bug 1031264). The'.'followed by the extension is now allowed in<input accept>: when used, a file selector filters with this given extension to be proposed to the user (<a class="external external-icon" href="https://bugzilla.mozilla.org/show_bug.cgi?id=826176" title="FIXED: File extension support for">bug 826176). JavaScript TheMap,Set,WeakMapandWeakSetconstructors now ignore null iterable (bug 1092538). TheMap,Set,WeakMapandWeakSetconstructors now supports monkey-patchedprototype.setorprototype.add(bug 804279). The Non-standardString.prototype.quote()method has been removed (bug 1103181). TheRegExp.prototype.flagsproperty has been implemented (bug 1108467). SeveralArraymethods have been implemented fortyped arraysas well: Theevery()andsome()methods (bug 1116390). Thefind()andfindIndex()methods (bug 1078975). Thefill()method (bug 1113722). TheindexOf()andlastIndexOf()methods (bug 1107601). Thejoin()method (bug 1115817). Thereduce()andreduceRight()methods (bug 1117350). Thereverse()method (bug 1111516). Thekeys(),values(), andentries()methods (bug 1119217). ES6 Proxyenumeratetrap is implemented (bug 783829). Theconfigurableattribute of theFunction.lengthproperty is nowtrueper the ES6 specification (bug 911142). The development ofParallelJS (PJS) has been discontinued due to the limited future prospects, little attention and code complexity. The experimental implementation that had been enabled only on the Nightly channel, including theArray.prototype.mapPar,filterParandreduceParmethods, has been completely removed. Interfaces/APIs/DOM TheStereoPannerNodeWeb Audionode has been implemented (bug 1100349). ThePromise-based version ofOfflineAudioContextis now available (bug 1087944). The experimental, not activated by default, implementation ofService Workersprogresses:ServiceWorkerGlobalScope.update()has been implementedbug 1065366. TheIndexedDB APIcan now be used inWeb workers(bug 701634). Our experimental implementation of WebGL 2.0 is going forward! TheWebGL2RenderingContext.getBufferSubData()method has been implemented to provide access to Buffer Objects (bug 1048731). Some key names ofKeyboardEvent.keyare changed for conformingthe latest DOM Level 3 Events spec. Seethe tables of KeyboardEvent.key values in MDN. The green cells are new values. And purple values are still ustable. Be careful if you use them (meta bug for these changes isbug 900372). You can now useWebSocketsinWorkers(bug 1112054). TheConsoleinterface is now working onServiceWorkerandSharedWorker. It was previously available but not working (bug 1058644). MathML No change. SVG SVG2's<marker orient="auto-start-reverse"> has been implemented (<a class="external external-icon" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1107584" title="FIXED: ship ">bug 1107584). Audio/Video No change. Networking WebSockets now supports thepermessagecompression method, if the server does support it (bug 792831). Security The usage of weak protocols or ciphers, like SSL 3.0 and RC4, are now logged in the console, to warn sites that are using it (bug 1092835). Changes for add-on and Mozilla developersXUL No change. See also Site Compatibility for Firefox 37
