# Firefox 154 — lifecycle date eolFrom is now 2026-09-01

For Firefox 154, product is firefox; field changed is eolFrom; new value is 2026-09-01; detected is 2026-09-02, verified against its source on 2026-09-02.

- **Product:** firefox _(verified: appears in the quote below)_
- **Product label:** Firefox _(verified: appears in the quote below)_
- **Release cycle:** 154 _(verified: appears in the quote below)_
- **Field changed:** eolFrom _(verified: appears in the quote below)_
- **New value:** 2026-09-01 _(verified: appears in the quote below)_
- **Detected:** 2026-09-02 _(verified: appears in the quote below)_

## What the source says

> Support","eoes":null},"links":{"icon":"https://cdn.jsdelivr.net/npm/simple-icons/icons/firefoxbrowser.svg","html":"https://endoflife.date/firefox","releasePolicy":"https://www.mozilla.org/firefox/"},"releases":[{"name":"155","codename":null,"label":"155","releaseDate":"2026-09-01","isLts":false,"ltsFrom":null,"isEol":false,"eolFrom":null,"isMaintained":true,"latest":{"name":"155.0","date":"2026-09-01","link":"https://www.mozilla.org/firefox/155.0/releasenotes/"},"custom":null},{"name":"154","codename":null,"label":"154","releaseDate":"2026-08-18","isLts":false,"ltsFrom":null,"isEol":false,"eolFrom":"2026-09-01","isMaintained":true,"latest":{"name":"154.0.1","date":"2026-08-25","link":"https://www.mozilla.org/firefox/154.0.1/releasenotes/"},"custom":null},{"name":"153","codename":null,"label":"153

## Source

- https://endoflife.date/api/v1/products/firefox

Last verified: 2026-09-02. Review by: 2026-09-16.
Part of [Software end-of-life date changes — which dates moved and what they were before](https://referencesource.org/software-eol-change-feed/).