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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.

Firefox Beta — English (US)

Firefox Privacy Notice

42.0beta

Firefox for Android Beta

September 23, 2015

Version 42.0beta, first offered to Beta channel users on September 23, 2015

New

  • Private Browsing with Tracking Protection blocks certain Web elements that could be used to record your behavior across sites

  • Open external URLs from Android apps in the background

  • Family-friendly browsing for Android when users create a restricted profile on tablets

  • Mobile login manager (about:logins) lists all saved logins and allows users to view/edit or delete logins

  • Support direct voice input for searching from the URL bar

  • Use scrollable tabs for panels navigation

Changed

  • Improved performance on interactive websites that trigger a lot of restyles

Developer

Developer Information

Web Platform

unresolved

  • URLs containing a Unicode-format Internationalized Domain Name (IDN) are not redirected properly, leading to a Server Not Found error.