See what’s new in Firefox!

Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

33.0.3

Firefox Release

November 6, 2014

Version 33.0.3, first offered to Release channel users on November 6, 2014

We'd also like to extend a special thank you to all of the new Mozillians who contributed to this release of Firefox!

New

Fixed

  • 33.0.3: Blacklisted graphics drivers that were causing black screens with OMTC enabled (1093863)

  • 33.0.3 Fix two startup crashes with some combination of hardware and drivers (1064107 and 1021265)

  • 33.0.1: Firefox displays a black screen at start-up with certain graphics drivers

  • Various security fixes

  • 33.0.2: Fix a startup crash with some combination of hardware and drivers

Changed

Developer

Developer Information

HTML5

unresolved

  • Windows: Interface may be slow when typing or selecting text (1089183)

  • Windows: With Avast HTTPS scanning enabled, Firefox will not close correctly (1087674)

  • Windows: On some combination of hardware and drivers, the main window could be black. In this case, update your graphics drivers (1083071)

  • Some certificate errors cannot be overridden (1042889)

  • PDF.js: With some images, wrong colors could show up. Affects a very small number of PDF

  • Windows: On some combination of hardware and drivers, some flickering can happen

  • Fix incomplete downloads being marked as complete by detecting broken HTTP1.1 transfers (237623)