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.

66.0.2 Firefox Release

March 27, 2019

Version 66.0.2, first offered to Release channel users on March 27, 2019

Fixed

  • Fixed Web compatibility issues with Office 365, iCloud and IBM WebMail caused by recent changes to the handling of keyboard events (Bug 1538966)

  • Crash fixes (bug 1521370, bug 1539118)

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