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Firefox end of life dates

The next Firefox release to reach end of life is 115, on 31 Mar 2027 (in 176 days). After that date it gets no more security fixes.

ReleaseEnd of lifeStatusLatest version
157Not announcedNo date announced157.0
15629 Sept 2026 · 7 days agoEnd of life156.0.1
15515 Sept 2026 · 21 days agoEnd of life155.0.1
1541 Sept 2026 · 35 days agoEnd of life154.0.1
153Not announcedNo date announced153.4.0
15221 Jul 2026 · 77 days agoEnd of life152.0.6
15116 Jun 2026 · 112 days agoEnd of life151.0.4
15018 May 2026 · 141 days agoEnd of life150.0.3
14921 Apr 2026 · 168 days agoEnd of life149.0.2
14824 Mar 2026 · 196 days agoEnd of life148.0.2
14724 Feb 2026 · 224 days agoEnd of life147.0.4
14613 Jan 2026 · 266 days agoEnd of life146.0.1
1459 Dec 2025 · 301 days agoEnd of life145.0.2
14411 Nov 2025 · 329 days agoEnd of life144.0.2
14314 Oct 2025 · 357 days agoEnd of life143.0.4
14216 Sept 2025End of life142.0.1
14119 Aug 2025End of life141.0.3
14029 Sept 2026 · 7 days agoEnd of life140.17.0
13924 Jun 2025End of life139.0.4
13827 May 2025End of life138.0.4
13729 Apr 2025End of life137.0.2
1361 Apr 2025End of life136.0.4
1354 Mar 2025End of life135.0.1
1344 Feb 2025End of life134.0.2
1337 Jan 2025End of life133.0.3
13226 Nov 2024End of life132.0.2
13129 Oct 2024End of life131.0.3
1301 Oct 2024End of life130.0.1
1293 Sept 2024End of life129.0.2
12816 Sept 2025End of life128.14.0
1279 Jul 2024End of life127.0.2
12611 Jun 2024End of life126.0.1
12514 May 2024End of life125.0.3
12416 Apr 2024End of life124.0.2
12319 Mar 2024End of life123.0.1
12220 Feb 2024End of life122.0.1
12123 Jan 2024End of life121.0.1
12019 Dec 2023End of life120.0.1
11921 Nov 2023End of life119.0.1
11824 Oct 2023End of life118.0.2
11726 Sept 2023End of life117.0.1
11629 Aug 2023End of life116.0.3
11531 Mar 2027 · in 176 daysEnding soon115.38.0
1144 Jul 2023End of life114.0.2
1136 Jun 2023End of life113.0.2
1129 May 2023End of life112.0.2
11111 Apr 2023End of life111.0.1
11014 Mar 2023End of life110.0.1
10914 Feb 2023End of life109.0.1
10817 Jan 2023End of life108.0.2
10713 Dec 2022End of life107.0.1
10615 Nov 2022End of life106.0.5
10518 Oct 2022End of life105.0.3
10420 Sept 2022End of life104.0.2
10323 Aug 2022End of life103.0.2
10226 Sept 2023End of life102.15.1
9120 Sept 2022End of life91.13.0
782 Nov 2021End of life78.15.0

Data from endoflife.date, refreshed daily (last 6 Oct 2026).

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