Mozilla Firefox version history

Free and open source web browser with privacy protection.

Verified 2026-06-23 from Mozilla product details.

15 stable release records

1. 2026-06-16
   152.0.2Mozilla Firefox 152.0.2
   Official release ↗
2. 2026-05-19
   151.0Mozilla Firefox 151.0
   Official release ↗
3. 2026-04-21
   150.0Mozilla Firefox 150.0
   Official release ↗
4. 2026-03-24
   149.0Mozilla Firefox 149.0
   Official release ↗
5. 2026-02-24
   148.0Mozilla Firefox 148.0
   Official release ↗
6. 2026-01-13
   147.0Mozilla Firefox 147.0
   Official release ↗
7. 2025-12-09
   146.0Mozilla Firefox 146.0
   Official release ↗
8. 2025-11-11
   145.0Mozilla Firefox 145.0
   Official release ↗
9. 2025-10-14
   144.0Mozilla Firefox 144.0
   Official release ↗
10. 2025-09-16
    143.0Mozilla Firefox 143.0
    Official release ↗
11. 2025-08-19
    142.0Mozilla Firefox 142.0
    Official release ↗
12. 2025-07-22
    141.0Mozilla Firefox 141.0
    Official release ↗
13. 2025-06-24
    140.0Mozilla Firefox 140.0
    Official release ↗
14. 2025-05-27
    139.0Mozilla Firefox 139.0
    Official release ↗
15. 2025-04-29
    138.0Mozilla Firefox 138.0
    Official release ↗