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Firefox End of Life (EOL) Dates
Data source: Maintained by EOL Date using user submissions and public internet references
Last updated: July 18, 2026
EOL Date tracks software and hardware end-of-life dates. Product names, logos, and trademarks belong to their respective owners and do not imply endorsement or affiliation.
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Firefox Version Support Timeline
Cycle | Release Date | Support Ends | EOL Date | Latest | Status |
|---|---|---|---|---|---|
152 | 2026-06-16 | - | - | 152.0.6 | Active |
151 | 2026-05-18 | - | 2026-06-16 | 151.0.4 | End of Life |
150 | 2026-04-21 | - | 2026-05-18 | 150.0.3 | End of Life |
149 | 2026-03-24 | - | 2026-04-21 | 149.0.2 | End of Life |
148 | 2026-02-24 | - | 2026-03-24 | 148.0.2 | End of Life |
147 | 2026-01-13 | - | 2026-02-24 | 147.0.4 | End of Life |
146 | 2025-12-09 | - | 2026-01-13 | 146.0.1 | End of Life |
145 | 2025-11-11 | - | 2025-12-09 | 145.0.2 | End of Life |
144 | 2025-10-14 | - | 2025-11-11 | 144.0.2 | End of Life |
143 | 2025-09-16 | - | 2025-10-14 | 143.0.4 | End of Life |
142 | 2025-08-19 | - | 2025-09-16 | 142.0.1 | End of Life |
141 | 2025-07-22 | - | 2025-08-19 | 141.0.3 | End of Life |
140LTS | 2025-06-24 | - | 2026-09-16 | 140.12.0 | Ending Soon |
139 | 2025-05-27 | - | 2025-06-24 | 139.0.4 | End of Life |
138 | 2025-04-29 | - | 2025-05-27 | 138.0.4 | End of Life |
137 | 2025-04-01 | - | 2025-04-29 | 137.0.2 | End of Life |
136 | 2025-03-04 | - | 2025-04-01 | 136.0.4 | End of Life |
135 | 2025-02-04 | - | 2025-03-04 | 135.0.1 | End of Life |
134 | 2025-01-07 | - | 2025-02-04 | 134.0.2 | End of Life |
133 | 2024-11-26 | - | 2025-01-07 | 133.0.3 | End of Life |
132 | 2024-10-29 | - | 2024-11-26 | 132.0.2 | End of Life |
131 | 2024-10-01 | - | 2024-10-29 | 131.0.3 | End of Life |
130 | 2024-09-03 | - | 2024-10-01 | 130.0.1 | End of Life |
129 | 2024-08-06 | - | 2024-09-03 | 129.0.2 | End of Life |
128LTS | 2024-07-09 | - | 2025-09-16 | 128.14.0 | End of Life |
127 | 2024-06-11 | - | 2024-07-09 | 127.0.2 | End of Life |
126 | 2024-05-14 | - | 2024-06-11 | 126.0.1 | End of Life |
125 | 2024-04-16 | - | 2024-05-14 | 125.0.3 | End of Life |
124 | 2024-03-19 | - | 2024-04-16 | 124.0.2 | End of Life |
123 | 2024-02-20 | - | 2024-03-19 | 123.0.1 | End of Life |
122 | 2024-01-23 | - | 2024-02-20 | 122.0.1 | End of Life |
121 | 2023-12-19 | - | 2024-01-23 | 121.0.1 | End of Life |
120 | 2023-11-21 | - | 2023-12-19 | 120.0.1 | End of Life |
119 | 2023-10-24 | - | 2023-11-21 | 119.0.1 | End of Life |
118 | 2023-09-26 | - | 2023-10-24 | 118.0.2 | End of Life |
117 | 2023-08-29 | - | 2023-09-26 | 117.0.1 | End of Life |
116 | 2023-08-01 | - | 2023-08-29 | 116.0.3 | End of Life |
115LTS | 2023-07-04 | - | 2027-03-31 | 115.37.0 | Active |
114 | 2023-06-06 | - | 2023-07-04 | 114.0.2 | End of Life |
113 | 2023-05-09 | - | 2023-06-06 | 113.0.2 | End of Life |
112 | 2023-04-11 | - | 2023-05-09 | 112.0.2 | End of Life |
111 | 2023-03-14 | - | 2023-04-11 | 111.0.1 | End of Life |
110 | 2023-02-14 | - | 2023-03-14 | 110.0.1 | End of Life |
109 | 2023-01-17 | - | 2023-02-14 | 109.0.1 | End of Life |
108 | 2022-12-13 | - | 2023-01-17 | 108.0.2 | End of Life |
107 | 2022-11-15 | - | 2022-12-13 | 107.0.1 | End of Life |
106 | 2022-10-18 | - | 2022-11-15 | 106.0.5 | End of Life |
105 | 2022-09-20 | - | 2022-10-18 | 105.0.3 | End of Life |
104 | 2022-08-23 | - | 2022-09-20 | 104.0.2 | End of Life |
103 | 2022-07-26 | - | 2022-08-23 | 103.0.2 | End of Life |
102LTS | 2022-06-28 | - | 2023-09-26 | 102.15.1 | End of Life |
91LTS | 2021-08-10 | - | 2022-09-20 | 91.13.0 | End of Life |
78LTS | 2020-06-30 | - | 2021-11-02 | 78.15.0 | End of Life |
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What is EOL?
EOL (End of Life) means the product no longer receives official updates, security patches, or technical support.
Why Track EOL?
Using unsupported software can lead to security vulnerabilities, compatibility issues, and compliance risks.
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Subscribe to Firefox EOL alerts to receive email notifications before versions reach end of life.