Firefox End of Life (EOL) Dates and End of Support (EOS) Dates
51 Firefox versions have reached End of Life (EOL) and End of Support (EOS), including Firefox 152 (EOL date: Jul 21, 2026) — no longer receiving security updates or patches. Firefox 140 (ESR) reaches its End of Support date on Sep 29, 2026 — plan your upgrade path now. Firefox 154.0 is the current supported release — 3 versions in active support. Also see Blender end of life dates for related end-of-life information.
Currently Supported Firefox Releases - Active EOS/EOSL Support (3)
Firefox Releases Nearing End of Life - Support Ending Soon (1)
| Release | Released | Security Support | Latest | LTS |
|---|---|---|---|---|
| 140 (ESR) | (1 year and 1 month ago) | (in 1 month and 6 days) | 140.14.0 (5 days ago) | LTS |
Firefox End of Life (EOL) Releases - No Longer Supported (51)
| Release | Released | Security Support | Latest | LTS |
|---|---|---|---|---|
| 152 | (2 months ago) | (1 month and 2 days ago) | 152.0.6 (1 month and 1 week ago) | - |
| 151 | (3 months ago) | (2 months ago) | 151.0.4 (2 months ago) | - |
| 150 | (4 months ago) | (3 months ago) | 150.0.3 (3 months ago) | - |
| 149 | (4 months ago) | (4 months ago) | 149.0.2 (4 months ago) | - |
| 148 | (5 months ago) | (4 months ago) | 148.0.2 (5 months ago) | - |
| 147 | (7 months ago) | (5 months ago) | 147.0.4 (6 months ago) | - |
| 146 | (8 months ago) | (7 months ago) | 146.0.1 (8 months ago) | - |
| 145 | (9 months ago) | (8 months ago) | 145.0.2 (8 months ago) | - |
| 144 | (10 months ago) | (9 months ago) | 144.0.2 (9 months ago) | - |
| 143 | (11 months ago) | (10 months ago) | 143.0.4 (10 months ago) | - |
| 142 | (1 year ago) | (11 months ago) | 142.0.1 (11 months ago) | - |
| 141 | (1 year and 1 month ago) | (1 year ago) | 141.0.3 (1 year ago) | - |
| 139 | (1 year and 2 months ago) | (1 year and 1 month ago) | 139.0.4 (1 year and 2 months ago) | - |
| 138 | (1 year and 3 months ago) | (1 year and 2 months ago) | 138.0.4 (1 year and 3 months ago) | - |
| 137 | (1 year and 4 months ago) | (1 year and 3 months ago) | 137.0.2 (1 year and 4 months ago) | - |
| 136 | (1 year and 5 months ago) | (1 year and 4 months ago) | 136.0.4 (1 year and 4 months ago) | - |
| 135 | (1 year and 6 months ago) | (1 year and 5 months ago) | 135.0.1 (1 year and 6 months ago) | - |
| 134 | (1 year and 7 months ago) | (1 year and 6 months ago) | 134.0.2 (1 year and 7 months ago) | - |
| 133 | (1 year and 8 months ago) | (1 year and 7 months ago) | 133.0.3 (1 year and 8 months ago) | - |
| 132 | (1 year and 9 months ago) | (1 year and 8 months ago) | 132.0.2 (1 year and 9 months ago) | - |
| 131 | (1 year and 10 months ago) | (1 year and 9 months ago) | 131.0.3 (1 year and 10 months ago) | - |
| 130 | (1 year and 11 months ago) | (1 year and 10 months ago) | 130.0.1 (1 year and 11 months ago) | - |
| 129 | (2 years ago) | (1 year and 11 months ago) | 129.0.2 (2 years ago) | - |
| 128 (ESR) | (2 years and 1 month ago) | (11 months ago) | 128.14.0 (1 year ago) | LTS |
| 127 | (2 years and 2 months ago) | (2 years and 1 month ago) | 127.0.2 (2 years and 1 month ago) | - |
| 126 | (2 years and 3 months ago) | (2 years and 2 months ago) | 126.0.1 (2 years and 2 months ago) | - |
| 125 | (2 years and 4 months ago) | (2 years and 3 months ago) | 125.0.3 (2 years and 3 months ago) | - |
| 124 | (2 years and 5 months ago) | (2 years and 4 months ago) | 124.0.2 (2 years and 4 months ago) | - |
| 123 | (2 years and 6 months ago) | (2 years and 5 months ago) | 123.0.1 (2 years and 5 months ago) | - |
| 122 | (2 years and 7 months ago) | (2 years and 6 months ago) | 122.0.1 (2 years and 6 months ago) | - |
| 121 | (2 years and 8 months ago) | (2 years and 7 months ago) | 121.0.1 (2 years and 7 months ago) | - |
| 120 | (2 years and 9 months ago) | (2 years and 8 months ago) | 120.0.1 (2 years and 8 months ago) | - |
| 119 | (2 years and 9 months ago) | (2 years and 9 months ago) | 119.0.1 (2 years and 9 months ago) | - |
| 118 | (2 years and 10 months ago) | (2 years and 9 months ago) | 118.0.2 (2 years and 10 months ago) | - |
| 117 | (2 years and 11 months ago) | (2 years and 10 months ago) | 117.0.1 (2 years and 11 months ago) | - |
| 116 | (3 years ago) | (2 years and 11 months ago) | 116.0.3 (3 years ago) | - |
| 114 | (3 years and 2 months ago) | (3 years and 1 month ago) | 114.0.2 (3 years and 2 months ago) | - |
| 113 | (3 years and 3 months ago) | (3 years and 2 months ago) | 113.0.2 (3 years and 3 months ago) | - |
| 112 | (3 years and 4 months ago) | (3 years and 3 months ago) | 112.0.2 (3 years and 3 months ago) | - |
| 111 | (3 years and 5 months ago) | (3 years and 4 months ago) | 111.0.1 (3 years and 5 months ago) | - |
| 110 | (3 years and 6 months ago) | (3 years and 5 months ago) | 110.0.1 (3 years and 5 months ago) | - |
| 109 | (3 years and 7 months ago) | (3 years and 6 months ago) | 109.0.1 (3 years and 6 months ago) | - |
| 108 | (3 years and 8 months ago) | (3 years and 7 months ago) | 108.0.2 (3 years and 7 months ago) | - |
| 107 | (3 years and 9 months ago) | (3 years and 8 months ago) | 107.0.1 (3 years and 8 months ago) | - |
| 106 | (3 years and 10 months ago) | (3 years and 9 months ago) | 106.0.5 (3 years and 9 months ago) | - |
| 105 | (3 years and 11 months ago) | (3 years and 10 months ago) | 105.0.3 (3 years and 10 months ago) | - |
| 104 | (4 years ago) | (3 years and 11 months ago) | 104.0.2 (3 years and 11 months ago) | - |
| 103 | (4 years ago) | (4 years ago) | 103.0.2 (4 years ago) | - |
| 102 (ESR) | (4 years and 1 month ago) | (2 years and 10 months ago) | 102.15.1 (2 years and 11 months ago) | LTS |
| 91 (ESR) | (5 years ago) | (3 years and 11 months ago) | 91.13.0 (4 years ago) | LTS |
| 78 (ESR) | (6 years and 1 month ago) | (4 years and 9 months ago) | 78.15.0 (4 years and 10 months ago) | LTS |
Firefox End of Life & Support Summary
Which Firefox Versions Are Currently Supported?
Firefox currently has 3 supported releases. Firefox 154.0 is the latest. Firefox 153 (ESR). Note that Firefox 140 (ESR) support ends on Sep 29, 2026 — plan your upgrade before then. Also see nix end of service life for related end-of-life information.
Firefox Versions Nearing End of Life
1 Firefox release is reaching End of Life (EOL) within 6 months. Firefox 140 (ESR) support ends on Sep 29, 2026. Upgrade to Firefox 154.0 to stay on a supported release. Also see Renovate CLI EOSL dates for related end-of-life information.
Firefox End of Life (EOL) Version History
51 Firefox releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Firefox 152 reached EOL on Jul 21, 2026. Firefox 154.0 is the recommended upgrade for users still on End of Life versions.