Firefox end-of-life dates and support status
As of 2026-10-08, the supported Firefox versions are 157, 153, 115.
| Version | Status | Released | Active support until | End of life | Latest |
|---|---|---|---|---|---|
| 157 | Supported | 2026-09-29 | — | — | 157.0.1 |
| 156 | End of life | 2026-09-15 | — | 2026-09-29 | 156.0.1 |
| 155 | End of life | 2026-09-01 | — | 2026-09-15 | 155.0.1 |
| 154 | End of life | 2026-08-18 | — | 2026-09-01 | 154.0.1 |
| 153 LTS | Supported | 2026-07-21 | — | — | 153.4.0 |
| 152 | End of life | 2026-06-16 | — | 2026-07-21 | 152.0.6 |
| 151 | End of life | 2026-05-18 | — | 2026-06-16 | 151.0.4 |
| 150 | End of life | 2026-04-21 | — | 2026-05-18 | 150.0.3 |
| 149 | End of life | 2026-03-24 | — | 2026-04-21 | 149.0.2 |
| 148 | End of life | 2026-02-24 | — | 2026-03-24 | 148.0.2 |
| 147 | End of life | 2026-01-13 | — | 2026-02-24 | 147.0.4 |
| 146 | End of life | 2025-12-09 | — | 2026-01-13 | 146.0.1 |
| 145 | End of life | 2025-11-11 | — | 2025-12-09 | 145.0.2 |
| 144 | End of life | 2025-10-14 | — | 2025-11-11 | 144.0.2 |
| 143 | End of life | 2025-09-16 | — | 2025-10-14 | 143.0.4 |
| 142 | End of life | 2025-08-19 | — | 2025-09-16 | 142.0.1 |
| 141 | End of life | 2025-07-22 | — | 2025-08-19 | 141.0.3 |
| 140 LTS | End of life | 2025-06-24 | — | 2026-09-29 | 140.17.0 |
| 139 | End of life | 2025-05-27 | — | 2025-06-24 | 139.0.4 |
| 138 | End of life | 2025-04-29 | — | 2025-05-27 | 138.0.4 |
| 137 | End of life | 2025-04-01 | — | 2025-04-29 | 137.0.2 |
| 136 | End of life | 2025-03-04 | — | 2025-04-01 | 136.0.4 |
| 135 | End of life | 2025-02-04 | — | 2025-03-04 | 135.0.1 |
| 134 | End of life | 2025-01-07 | — | 2025-02-04 | 134.0.2 |
| 133 | End of life | 2024-11-26 | — | 2025-01-07 | 133.0.3 |
| 132 | End of life | 2024-10-29 | — | 2024-11-26 | 132.0.2 |
| 131 | End of life | 2024-10-01 | — | 2024-10-29 | 131.0.3 |
| 130 | End of life | 2024-09-03 | — | 2024-10-01 | 130.0.1 |
| 129 | End of life | 2024-08-06 | — | 2024-09-03 | 129.0.2 |
| 128 LTS | End of life | 2024-07-09 | — | 2025-09-16 | 128.14.0 |
| 127 | End of life | 2024-06-11 | — | 2024-07-09 | 127.0.2 |
| 126 | End of life | 2024-05-14 | — | 2024-06-11 | 126.0.1 |
| 125 | End of life | 2024-04-16 | — | 2024-05-14 | 125.0.3 |
| 124 | End of life | 2024-03-19 | — | 2024-04-16 | 124.0.2 |
| 123 | End of life | 2024-02-20 | — | 2024-03-19 | 123.0.1 |
| 122 | End of life | 2024-01-23 | — | 2024-02-20 | 122.0.1 |
| 121 | End of life | 2023-12-19 | — | 2024-01-23 | 121.0.1 |
| 120 | End of life | 2023-11-21 | — | 2023-12-19 | 120.0.1 |
| 119 | End of life | 2023-10-24 | — | 2023-11-21 | 119.0.1 |
| 118 | End of life | 2023-09-26 | — | 2023-10-24 | 118.0.2 |
| 117 | End of life | 2023-08-29 | — | 2023-09-26 | 117.0.1 |
| 116 | End of life | 2023-08-01 | — | 2023-08-29 | 116.0.3 |
| 115 LTS | Supported | 2023-07-04 | — | 2027-03-31 | 115.38.0 |
| 114 | End of life | 2023-06-06 | — | 2023-07-04 | 114.0.2 |
| 113 | End of life | 2023-05-09 | — | 2023-06-06 | 113.0.2 |
| 112 | End of life | 2023-04-11 | — | 2023-05-09 | 112.0.2 |
| 111 | End of life | 2023-03-14 | — | 2023-04-11 | 111.0.1 |
| 110 | End of life | 2023-02-14 | — | 2023-03-14 | 110.0.1 |
| 109 | End of life | 2023-01-17 | — | 2023-02-14 | 109.0.1 |
| 108 | End of life | 2022-12-13 | — | 2023-01-17 | 108.0.2 |
| 107 | End of life | 2022-11-15 | — | 2022-12-13 | 107.0.1 |
| 106 | End of life | 2022-10-18 | — | 2022-11-15 | 106.0.5 |
| 105 | End of life | 2022-09-20 | — | 2022-10-18 | 105.0.3 |
| 104 | End of life | 2022-08-23 | — | 2022-09-20 | 104.0.2 |
| 103 | End of life | 2022-07-26 | — | 2022-08-23 | 103.0.2 |
| 102 LTS | End of life | 2022-06-28 | — | 2023-09-26 | 102.15.1 |
| 91 LTS | End of life | 2021-08-10 | — | 2022-09-20 | 91.13.0 |
| 78 LTS | End of life | 2020-06-30 | — | 2021-11-02 | 78.15.0 |
Status is computed from today's date. "Security fixes only" means active support has ended but security fixes continue until end of life. Source: endoflife.date · release policy. Verified 2026-10-08.
Frequently asked questions
Which Firefox versions are still supported?
As of 2026-10-08, the supported Firefox versions are 157, 153, 115. Versions not listed are end of life and no longer receive security fixes.
What is the latest Firefox version?
The newest Firefox release cycle is 157, whose latest version is 157.0.1 (2026-10-06).
Which Firefox versions are LTS?
Long-term support versions still receiving fixes: 153, 115.
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