Mozilla Firefox 36.0 Beta 10 发布
Mozilla 今天将Mozilla Firefox 36.0 Beta送上了FTP服务器，新版采用Gecko 36作为内核，需要注意的是目前Firefox 36 Beta版分支还没有出现Windows 64位版本（从nightly版本上看目前性能依然没有调整到良好状态，预计Firefox 37会发展出稳定的产品），如有需要尝试的可以选用Developer Edition版本。预计正式版的Firefox 36将在2月中旬左右发布。
下载地址:
http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/36.0b10/
了解更多:
https://developer.mozilla.org/en-US/Firefox/Releases/36
Changes for Web developersDeveloper Tools
Highlights:
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Box Model Highlighter works on remote targets
All devtools bugs fixed between Firefox 35 and Firefox 36.
CSS
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The will-change property has been enabled by default (bug 961871).
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The white-space property is now working on <textarea> HTML elements (bug 82711).
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The unicode-range descriptor is now supported by @font-face (bug 475891).
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The properties text-decoration-color, text-decoration-line, and text-decoration-style are unprefixed (bug 825004). The prefixed version are still available for some time to ease transition (bug 1097922).
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The text-decoration property is turned into shorthand property (bug 1039488).
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The properties object-fit and object-position are now supported (bug 624647)
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The contents value of the display property has been experimented implemented. It is preffed off by default (bug 907396).
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In Quirks mode, the :active and :hover quiver quirk has been altered to be applied less often: it is now used only on links, only if there are no pseudo-element or other pseudo-class in the element and if it isn't part of a pseudo-class element (bug 783213).
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The isolation property has been implemented (bug 1077872).
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CSS <gradient> now applies on the premultiplied colors, matching the spec and other browsers, and getting rid of unexpected gray colors appearing in them (bug 591600).
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Interpolation hint syntax has been added to <gradient> (bug 1074056).
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The scroll-behavior property has been implemented (bug 1010538).
HTML
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Support for <meta name="referrer"> has been added (<a class="external external-icon" href="https://bugzilla.mozilla.org/show_bug.cgi?id=704320" title="FIXED: Implement
">bug 704320).
JavaScript
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The ECMAScript 6 Symbol data type has been enabled by default (was available in the Nightly channel since version 33) (bug 1066322):
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The old placeholder string "@@iterator" has been replaced with the real ES6 well-known symbol Symbol.iterator for the iterable interface property key (bug 918828).
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The spec-internal abstract operation ToNumber(string) now supports binary (0b) and octal (0o) literals, this is a potentially breaking change from ES5 (bug 1079120).
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Number("0b11") now returns 3, not NaN.
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"0o11" == 9 now returns true, not false.
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The const declaration is now block-scoped and requires an initializer (bug 611388). It also can not be redeclared anymore (bug 1095439).
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{const a=1};a now throws a ReferenceError and does not returns 1 anymore due to block-scoping.
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const a; now throws a SyntaxError ("missing = in const declaration"): An initializer is required.
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const a = 1; a = 2; now also throws a SyntaxError ("invalid assignment to const a").
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The ES7 method Array.prototype.includes has been implemented, but for now, it is only enabled in Nightly builds (bug 1069063).
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The delete operator now triggers the "temporal dead zone" when using with letand const (bug 1074571).
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The non-standard let blocks and let expressions are deprecated and will now log a warning in the console. Do not use them anymore, they will be removed in the future.
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WeakMap constructor now handles optional iterable argument (bug 1092537).
Interfaces/APIs/DOM
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The CanvasRenderingContext2D.resetTransform() method of the Canvas API has been implemented (bug 1099148).
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ECDSA is now supported in the Web Crypto API (bug 1034854).
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You can now use WebSockets in Workers (bug 1112054).
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Our experimental implementation of WebGL 2.0 is going forward!
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The WebGLQuery interface is available (bug 1048719).
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The WebGL2RenderingContext.invalidateFrameBuffer() method has been implemented (bug 1076456).
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The MediaDevices interface, containing the Promise-based version of getUserMedia(), has been added. It is available via Navigator.mediaDevices (bug 1033885).
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The EME-related Navigator.requestMediaKeySystemAccess() method, and the related MediaKeySystemAccess, is now supported (bug 1095257).
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The keyschange event is now sent when an EME-related CDM change keys in a session (bug 1081755).
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Experimental support for virtual reality devices has landed behind the dom.vr.enabled preference, off by default (bug 1036604).
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The function associated with RTCPeerConnection.onsignalingstatechange now receives an event as parameter, as per spec (bug 1075133).
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The experimental implementation of Web Animations make progress: the method AnimationPlayer.play() and AnimationPlayer.pause() are now supported (bug 1070745).
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The non-standard DOMRequest interface has now a then() method (bug 839838).
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The CSSOM View scroll behavior controlling methods, Element.scroll(), Element.scrollTo(), Element.scrollBy(), and Element.scrollIntoView(), have been implemented or extended (bug 1045754 and bug 1087559).
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Assigning to Element.innerHTML on an SVGElement now create elements in the SVG namespace (bug 886390).
MathML
No change.
SVG
No change.
Audio/Video
No change.
Networking
-
Support for SPDY/3 has been removed; support for SPDY/3.1 is still available (bug 1097944).
Security
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RC4 is now considered as insecure and all UI indicators will react as such; SSLv3 has been disabled by default in Firefox 34, but the UI has been changed to help the user better understand what is happening (bug 1093595).
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The form-action directive of CSP 1.1 is now supported (bug 529687).
Changes for add-on and Mozilla developersJavaScript code modules
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PromiseUtils.resolveOrTimeout is implemented (bug 1080466).
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PromiseUtils.defer (a replacement for Promise.defer) is implemented (bug 1093021).
XUL
No change.