Firefox 32 for developers

Highlights:

• Web Audio Editor
• Code completion and inline documentation in Scratchpad
• User agent styles in the Inspector's Rules view
• Element picker button has moved
• Node dimensions added to the Inspector's infobar
• Full page screenshot button added
• HiDPI images added to the tools
• Nodes that have display:none are shown differently in the Inspector

All devtools bugs fixed between Firefox 31 and Firefox 32.

• Enabled mix-blend-mode by default (bug Firefox 952643).
• Enabled position:sticky by default in release builds (only enabled on Nightly and Aurora before) (bug Firefox 916315).
• Implemented box-decoration-break and removed the non-standard -moz-background-inline-policy(bug Firefox 613659).
• Allowed flex-grow and flex-shrink to transition between zero and nonzero values (bug Firefox 996945).

• Experimentally implemented, behind a pref, <img> srcset property, To activate it set dom.image.srcset.enable to true (bug Firefox 870021).
• id and class are now true global attributes and also apply to XML elements, in a namespace or not (bug Firefox 741295).

• The following new ECMAScript 6 built-in methods got implemented:
  • Array.from() (bug Firefox 904723),
  • Array.prototype.copyWithin() (bug Firefox 934423),
  • Number.isSafeInteger() (bug Firefox 1003764).

• The navigator.languages property and languagechange event have been implemented (bug Firefox 889335).
• The Navigator.vibrate() method behavior has been adapted to the latest specification: too long vibrations are now truncated (bug Firefox 1014581).
• The KeyboardEvent.getModifierState() (en-US) and MouseEvent.getModifierState() (en-US) methods have been extended to support the Accel virtual modifier (bug Firefox 1009388).
• The KeyboardEvent.code property have been experimentally implemented: it is disabled on release build (bug Firefox 865649).
• Scoped selectors for Document.querySelector() and Document.querySelectorAll(), for example querySelector(":scope > li") have been implemented (bug Firefox 528456).
• The experimental implementation of the Document.timeline (en-US) interface, related to the Web Animation API, has been added (bug Firefox 998246). It is controlled by layout.web-animations.api.enabled preference, enabled only on Nightly and Aurora for the moment.
• The Data Store API has been made available to Web Workers (en-US) (bug Firefox 949325). It still is only activated for certified applications.
• The ServiceWorker (en-US) InstallPhaseEvent and InstallEvent (en-US) interfaces have been implemented (bug Firefox 967264).
• The MSISDN Verification API, only activated for privileged apps, has been added (bug Firefox 988469).
• The Gamepad API is now supported on Firefox for Android (bug Firefox 852935).
• To match the spec and the evolution of the CSS syntax, minor changes have been done to CSS.escape() (en-US). The identifier now can begins with '--' and the second dash must not be escaped. Also vendor identifier are no more escaped. (bug Firefox 1008719)
• To complete our Hit Regions implementation, MouseEvent.region (en-US) has been implemented (bug Firefox 979692).
• The CanvasRenderingContext2D.drawFocusIfNeeded() (en-US) method is now enabled by default (bug Firefox 1004579).
• The Navigator.doNotTrack properties now returns '1' or '0', reflecting the HTTP value, instead of 'yes' or 'no' (bug Firefox 887703).
• New constraints for WebRTC's getUserMedia(), width, height, and framerate, have been added, to limit stream dimensions and frame rate (bug Firefox 907352):

  json

  {
    mandatory: {
      width: { min: 640 },
      height: { min: 480 }
    },
    optional: [
      { width: 650 },
      { width: { min: 650 }},
      { frameRate: 60 },
      { width: { max: 800 }},
    ]
  }
  

• Add support for the <menclose> notation phasorangle.

No change.

No change.

• Privileged code now gets Xray vision for JavaScript Object and Array instances (en-US).

Xray vision is now applied to JavaScript objects that are not themselves DOM objects: Xrays for JavaScript objects (en-US).

A getDataDirectory() method has been added to Addon instances. This method returns the preferred location, within the current profile, for add-ons to store data.

Highlights

• Added exclude option to PageMod.
• Added anonymous option to Request.
• Add-on Debugger now includes a Console and a Scratchpad.

Details

GitHub commits made between Firefox 31 and Firefox 32. This will not include any uplifts made after this release entered Aurora.

Bugs fixed between Firefox 31 and Firefox 32. This will not include any uplifts made after this release entered Aurora.

• Site Compatibility for Firefox 32