unresolved - Mac OS X and Windows: Citrix Receiver no longer works.

Affects a very small number of PDF ( 1028735)

unresolved - PDF.js: With some fonts, some characters might not be displayed.

unresolved - Slow shut downs lead to 'Firefox is already running' warning (see 966455).

Fixed - Search for partially selected link text from context menu ( 985824).

Developer - Numerous Developer Tools and other changes.

HTML5 - CSS3 variables implemented ( learn more).

HTML5 - WebVTT implemented and enabled ( learn more).

The sole exception is theĬheckloaduri permission, which may still be used as before to allow Most notably, attempts to use this functionality to grantĪccess to the clipboard will no longer work. Specifying site-specific permissions (via capability.policy.*

Changed - Removal of the CAPS infrastructure for.

pdf files handled by Firefox if no application specified (Windows only)

New - Support of Prefer:Safe http header for parental control.

New - Partial implementation of the OpenType MATH table (section 6.3.6) see documentation about mathematical fonts and the MathML Torture Test for details.

New - Block malware from downloaded files ( learn more).

New - mozilla::pkix as default certificate verifier ( learn more).

New - Add the search field to the new tab pag.

In the meantime, Firefox users having this issue may want to refer to the KB article, 'Firefox is already running but is not responding' error message - How to fix it. The issue introduced with version 29.1 that many users have experienced with slow shut downs resulting in the 'Firefox is already running' warning continues unresolved. To restore the setting, an add-on such as Classic Theme Restorer is suggested. If you have modified close tabs, this update changes it to default (one closeīutton for each tab).

Highlights of the new version include a search field added to the New Tab Page and preferences to modify the was removed. Miscellaneous memory safety hazards (rv:31.0 / rv:24.7) Buffer overflow during Web Audio buffering for playback MFSA 2014-58 - Use-after-free in Web Audio due to incorrect control message ordering.Use-after-free in DirectWrite font handling Toolbar dialog customization event spoofing

Use-after-free with FireOnStateChange event Exploitable WebGL crash with Cesium JavaScript library Use-after-free while when manipulating certificates in the trusted cache

Crash in Skia library when scaling high quality images Certificate parsing broken by non-standard character encoding IFRAME sandbox same-origin access through redirect Update: Although not included in the Release Notes, the Security Fixes page now shows that the update includes three (3) Critical, four (4) High, two (2) Moderate and one (1) Low security updates. At this time, no security updates are listed as being included in the release. Mozilla sent Firefox Version 31.0 to the release channel.

Mozilla firefox 31.0 download