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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 Nightly — English (US)

Firefox Privacy Notice

52.0a2

Firefox for Android Aurora

November 18, 2016

Version 52.0a2, first offered to Aurora channel users on November 18, 2016

New

  • Implemented the Strict Secure Cookies specification which forbids insecure HTTP sites from setting cookies with the "secure" attribute. In some cases, this will prevent an insecure site from setting a cookie with the same name as an existing "secure" cookie from the same base domain.

  • Reduced APK file size by more than 5 MB for faster download and installation

Developer

Developer Information