Firefox ESR
Release Notes

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 ESR

April 12, 2016

Version 45.0.2esr, first offered to ESR channel users on April 12, 2016


  • 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)

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