Is Firefox 157 end-of-life?

As of 2026-10-12: No. Firefox 157 is supported; no end-of-life date is announced. Latest release: 157.0.1 (2026-10-06).

Firefox release cycles

Status of every cycle as of 2026-10-12, newest first: supported, security-only (active support ended), eol or unknown.

CycleStatus
157supported
156eol
155eol
154eol
153supported
152eol
151eol
150eol
149eol
148eol
147eol
146eol
145eol
144eol
143eol
142eol
141eol
140eol
139eol
138eol
137eol
136eol
135eol
134eol
133eol
132eol
131eol
130eol
129eol
128eol
127eol
126eol
125eol
124eol
123eol
122eol
121eol
120eol
119eol
118eol
117eol
116eol
115supported
114eol
113eol
112eol
111eol
110eol
109eol
108eol
107eol
106eol
105eol
104eol
103eol
102eol
91eol
78eol

Dates, LTS and versions from the API

This page shows the status only. The signed API answer has every cycle with its release, support and end-of-life dates, LTS flag and latest version: GET /v1/eol/firefox ($0.001 per call, paid with x402 in USDC; no account, no API key).

Source

Data from endoflife.date (https://endoflife.date), Copyright 2020 endoflife.date contributors, MIT License.

Snapshot eol-20261011T184823Z-fb3e9d0a, data as of 2026-10-11T18:48:23Z, source last checked 2026-10-11T18:48:23.000Z.

Licences and attribution: /licences. How snapshots are made and verified: /provenance.

Data is provided as is, without warranty of any kind. Payments are final. Every dataset is normalised (modified) from the sources named here, and no source endorses this service.