Firefox 31 Final Now Available for Download

Mozilla has released Firefox 31 Final for Windows, Mac, Linux and Android. This new version contains a number of new features and improvements supposed to enhance the browsing experience for users and enable Developers to create Web content, apps, and add-ons more easily.

What's new features in Firefox 31?
Firefox 31 a number of improvements supposed to helping developers build Web content, apps, and add-ons more easily than before. It also includes a canvas debugger and an add-on debugger. For users, Firefox 31.0 includes a number of new features and improvements supposed to enhance the browsing experience.

According to Firefox release notes, Firefox 31 has the following changes:

New:
  • Add the search field to the new tab page.
  • Support of Prefer:Safe http header for parental control.
  • mozilla::pkix as default certificate verifier.
  • Block malware from downloaded files.
  • Partial implementation of the OpenType MATH table (section 6.3.6).
  • audio/video .ogg and .pdf files handled by Firefox if no application specified (Windows only).
  • Upper Sorbian [hsb] locale added.

Changed:
  • Removal of the CAPS infrastructure for specifying site-specific permissions (via capability.policy.* preferences). Most notably, attempts to use this functionality to grant access to the clipboard will no longer work. The sole exception is the checkloaduri permission, which may still be used as before to allow sites to load file:// URIs.

HTML5
  • WebVTT implemented and enabled.
  • CSS3 variables implemented.

Developer:
  • Developer Tools: Add-on Debugger.
  • Developer Tools: Canvas Debugger.
  • New Array built-in: Array.prototype.fill().
  • New Object built-in: Object.setPrototypeOf().
  • CSP 1.1 nonce-source and hash-source enabled by default
  • Developer Tools: Eyedropper tool added to the color picker.
  • Developer Tools: Editable Box Model.
  • Developer Tools: Code Editor improvements.
  • Developer Tools: Console stack traces.
  • Developer Tools: Copy as cURL.
  • Developer Tools: Styled console logs.
  • navigator.sendBeacon enabled by default.
  • Dialogs spawned from the onbeforeunload event no longer block access to the rest of the browser.

You can find the full changelog here.

This update also address multiple vulnerabilities, some of which could allow a remote, unauthenticated attacker to completely compromise a vulnerable system. Firefox 31.0: Security fixes can be found here.

Download Firefox 31 Final:
The links in this section correspond to files available for this download. Download the files appropriate for you.



Firefox 31 Final Screenshot

Firefox 31: New Tab

Reference:
The Mozilla Blog

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