# Firefox 158 — lifecycle date eolFrom is now 2026-10-27

For Firefox 158, product is firefox; field changed is eolFrom; new value is 2026-10-27; detected is 2026-10-26, recorded from its source on 2026-10-26.

- **Product:** firefox
- **Product label:** Firefox
- **Release cycle:** 158 _(verified: appears in the quote below)_
- **Field changed:** eolFrom _(verified: appears in the quote below)_
- **New value:** 2026-10-27 _(verified: appears in the quote below)_
- **Detected:** 2026-10-26 _(our reading, not quoted from the source)_

## What the source says

> {"name":"158","codename":null,"label":"158","releaseDate":"2026-10-13","isLts":false,"ltsFrom":null,"isEol":false,"eolFrom":"2026-10-27"

## Source

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

Last verified: 2026-10-26. Review by: 2026-11-09.
Part of [Software end-of-life date changes — which dates moved and what they were before](https://referencesource.org/software-eol-change-feed/).