What's new in Firefox Fast & Private Browser 159.0.1

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

About Firefox Fast & Private Browser 159.0.1

Firefox Fast & Private Browser 159.0.1 Play Store screenshots (15)

Firefox Fast & Private Browser variants

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Firefox Fast & Private Browser 159.0.1

Version:159.0.1

Uploaded:November 4, 2026 at 6:16PM UTC

File size:124.77 MB

Downloads:144

Firefox Fast & Private Browser 159.0

Version:159.0

Uploaded:October 27, 2026 at 5:53PM UTC

File size:124.63 MB

Downloads:5,348

Firefox Fast & Private Browser 158.0.2

Version:158.0.2

Uploaded:October 21, 2026 at 8:56AM UTC

File size:66.82 MB

Downloads:4,110

Firefox Fast & Private Browser 158.0.1

Version:158.0.1

Uploaded:October 21, 2026 at 7:03AM UTC

File size:66.82 MB

Downloads:218

Firefox Fast & Private Browser 158.0

Version:158.0

Uploaded:October 16, 2026 at 9:21AM UTC

File size:125.94 MB

Downloads:5,063

Firefox Fast & Private Browser 157.0.1

Version:157.0.1

Uploaded:October 7, 2026 at 6:57PM UTC

File size:66.32 MB

Downloads:3,502

Firefox Fast & Private Browser 157.0

Version:157.0

Uploaded:October 6, 2026 at 6:09AM UTC

File size:66.31 MB

Downloads:5,172

Firefox Fast & Private Browser 156.0.1

Version:156.0.1

Uploaded:September 26, 2026 at 7:39AM UTC

File size:127.34 MB

Downloads:2,631

Firefox Fast & Private Browser 156.0

Version:156.0

Uploaded:September 18, 2026 at 7:54AM UTC

File size:127.10 MB

Downloads:2,419

Firefox Fast & Private Browser 155.0.1

Version:155.0.1

Uploaded:September 9, 2026 at 7:18AM UTC

File size:126.92 MB

Downloads:5,598