Due for re-check: the scheduled review date of 2026-09-12 has passed. Every value below still carries the source it was taken from and the passage that states it — check it against the link.
Firefox 154 — lifecycle date releaseDate is now 2026-08-18
For Firefox 154, product is firefox; field changed is releaseDate; new value is 2026-08-18; detected is 2026-08-29, recorded from its source on 2026-08-29.
- Product
- firefox verified
- Product label
- Firefox verified
- Release cycle
- 154 verified
- Field changed
- releaseDate verified
- New value
- 2026-08-18 verified
- Detected
- 2026-08-29
What the source says
{"name":"154","codename":null,"label":"154","releaseDate":"2026-08-18"
— endoflife.date, retrieved 2026-08-29
Source
- endoflife.datehttps://endoflife.date/api/v1/products/firefox
This one changes, and we watch it.Software end-of-life date changes — which dates moved and what they were before is re-read on a schedule and every change is dated. Subscribe: Atom feed · JSON · what has changed so far.