Firefox Release

January 26, 2017

Version 51.0.1, first offered to Release channel users on January 26, 2017

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


  • Reference link to 51.0 release notes

  • Geolocation not working on Windows (Bug 1333516)

  • Multiprocess incompatibility did not correctly register with some add-ons (Bug 1333423)


All Firefox downloads