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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 complete list of changes in this release.

46.0a2

Firefox Developer Edition

January 26, 2016

Version 46.0a2, first offered to Firefox Developer Edition channel users on January 26, 2016

For more information about Developer Edition please see this MDN article.

New

Changed

Developer

Developer Information