# Google Container-Optimized OS (COS) cos-73 — lifecycle date eolFrom is now 2020-06-01

For Google Container-Optimized OS (COS) cos-73, product is cos; field changed is eolFrom; previous value is 2020-09-05; new value is 2020-06-01; detected is 2026-09-28, recorded from its source on 2026-09-28; source re-checked 2026-10-26.

- **Product:** cos _(verified: appears in the quote below)_
- **Product label:** Google Container-Optimized OS (COS)
- **Release cycle:** cos-73 _(verified: appears in the quote below)_
- **Field changed:** eolFrom _(verified: appears in the quote below)_
- **Previous value:** 2020-09-05 _(our reading, not quoted from the source)_
- **New value:** 2020-06-01 _(verified: appears in the quote below)_
- **Detected:** 2026-09-28 _(our reading, not quoted from the source)_

## What the source says

> {"name":"cos-73","codename":null,"label":"73 (LTS)","releaseDate":"2019-03-25","isLts":true,"ltsFrom":null,"isEol":true,"eolFrom":"2020-06-01"

## Source

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

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/).