Firefox Release

April 11, 2016

Version 45.0.2, first offered to Release channel users on April 11, 2016

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


  • Fix a regression impacting some specific uploads (1255735)

  • Fix a crash impacting the video playback with Media Source Extension (1258562)

  • Fix a regression with the copy and paste with some old versions of some Gecko applications like Thunderbird (1254980)

  • Fix a web compatibility regression impacting the srcset attribute of the image tag (1259482)

  • Fix an issue impacting the cookie header when third-party cookies are blocked (1257861)

All Firefox downloads