Google Container-Optimized OS (COS) cos-121 end of life (EOL) date and support status
Supported Receives fixes until 2027-03-01 (in 144 days)
| Product | Google Container-Optimized OS (COS) |
|---|---|
| Version cycle | cos-121 |
| Status | Supported |
| Released | 2025-04-14 |
| LTS | yes |
| Active support until | — |
| End of life | 2027-03-01 |
| Latest version | cos-121-18867-624-8 (2026-10-06) |
| Last verified | 2026-10-08 |
All Google Container-Optimized OS (COS) versions → · Source: endoflife.date
Frequently asked questions
Is Google Container-Optimized OS (COS) cos-121 end of life?
No. Google Container-Optimized OS (COS) cos-121 is supported. Receives fixes until 2027-03-01 (in 144 days).
When does Google Container-Optimized OS (COS) cos-121 reach end of life?
Google Container-Optimized OS (COS) cos-121 reaches end of life on 2027-03-01.
When was Google Container-Optimized OS (COS) cos-121 released?
Google Container-Optimized OS (COS) cos-121 was first released on 2025-04-14.
What is the latest Google Container-Optimized OS (COS) cos-121 version?
The latest cos-121 release is cos-121-18867-624-8, published on 2026-10-06.
Is Google Container-Optimized OS (COS) cos-121 an LTS release?
Yes.
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