39.0a2
Firefox Developer Edition

April 3, 2015

Version 39.0a2, first offered to Firefox Developer Edition channel users on April 3, 2015

For more information about Developer Edition please see this MDN article and also this hacks.mozilla.org post.

New

Fixed

  • Improve performance of IPv6 fallback to IPv4

Changed

  • Removed support for insecure SSLv3 for network communications

  • Disable use of RC4 except for temporarily whitelisted hosts

  • NPAPI Plug-in performance improved via asynchronous initialization

Developer

Web Platform

All Firefox Developer Edition downloads