Firefox 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 Release

March 28, 2017

Version 52.0.2, first offered to Release channel users on March 28, 2017

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


  • Fix new installs erroneously not prompting to change the default browser setting (Bug 1343938)

  • Fix a crash on startup on Linux (Bug 1345413)

  • Fix loading tab icons on session restore (Bug 1338009)

  • Use Nirmala UI as fallback font for additional Indic languages (Bug 1342787)

All Firefox downloads