Firefox for Android
Release Notes

Release Notes tell you what's new in Firefox for Android. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

159.0.1 Firefox for Android Release

Version 159.0.1, first offered to Release channel users on November 3, 2026

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Fixed passkey sign-in failing on websites that share passkeys across related sites, such as Facebook and Instagram. (Bug 2085450)
Updated time zone data to reflect Cuba's decision not to end daylight saving time on November 1, 2026. (Bug 2086609)
Various stability fixes.
Security fix.

Reference link to 159.0 release notes.

Firefox for Android
Release Notes

159.0.1 Firefox for Android Release

Fixed

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