Google Container-Optimized OS (COS) End of Life (EOL) Dates and End of Support (EOS) Dates
12 Google Container-Optimized OS (COS) versions have reached End of Life (EOL) and End of Support (EOS), including Google Container-Optimized OS (COS) 113 (LTS) (EOL date: Mar 01, 2026) — no longer receiving security updates or patches. Google Container-Optimized OS (COS) 117 (LTS) reaches its End of Support date on Sep 01, 2026 — plan your upgrade path now. Google Container-Optimized OS (COS) cos-125-19216-220-185 LTS is the current supported release, with support through Sep 01, 2027 — 2 versions in active support. See EuroLinux End of Life for related EOL and end-of-support information.
Currently Supported Google Container-Optimized OS (COS) Releases - Active EOS/EOSL Support (2)
| Release | Released | Support Status | Latest | LTS |
|---|---|---|---|---|
| 125 (LTS) | (7 months ago) | (in 1 year and 3 months) | cos-125-19216-220-185 (6 days ago) | LTS |
| 121 (LTS) | (1 year ago) | (in 9 months) | cos-121-18867-381-118 (6 days ago) | LTS |
Google Container-Optimized OS (COS) Releases Nearing End of Life - Support Ending Soon (1)
| Release | Released | Support Status | Latest | LTS |
|---|---|---|---|---|
| 117 (LTS) | (1 year and 7 months ago) | (in 3 months) | cos-117-18613-534-110 (6 days ago) | LTS |
Google Container-Optimized OS (COS) End of Life (EOL) Releases - No Longer Supported (12)
| Release | Released | Support Status | Latest | LTS |
|---|---|---|---|---|
| 113 (LTS) | (2 years ago) | (2 months ago) | cos-113-18244-582-100 (6 days ago) | LTS |
| 109 (LTS) | (2 years and 7 months ago) | (8 months ago) | cos-109-17800-570-50 (7 months ago) | LTS |
| 105 (LTS) | (3 years and 1 month ago) | (1 year and 1 month ago) | cos-105-17412-535-98 (1 year and 1 month ago) | LTS |
| 101 (LTS) | (3 years and 7 months ago) | (1 year and 8 months ago) | cos-101-17162-528-64 (1 year and 6 months ago) | LTS |
| 97 (LTS) | (4 years and 1 month ago) | (2 years and 2 months ago) | cos-97-16919-450-41 (2 years and 1 month ago) | LTS |
| 93 (LTS) | (4 years and 6 months ago) | (2 years and 7 months ago) | cos-93-16623-461-42 (2 years and 6 months ago) | LTS |
| 89 (LTS) | (5 years and 1 month ago) | (3 years and 2 months ago) | cos-89-16108-798-22 (3 years and 1 month ago) | LTS |
| 85 (LTS) | (5 years and 7 months ago) | (3 years and 8 months ago) | cos-85-13310-1498-13 (3 years and 8 months ago) | LTS |
| 81 (LTS) | (6 years and 1 month ago) | (4 years and 8 months ago) | cos-81-12871-1317-8 (4 years and 4 months ago) | LTS |
| 77 (LTS) | (6 years and 7 months ago) | (5 years and 1 month ago) | cos-77-12371-1109-0 (5 years and 3 months ago) | LTS |
| 73 (LTS) | (7 years and 1 month ago) | (5 years and 11 months ago) | cos-73-11647-656-0 (5 years and 8 months ago) | LTS |
| 69 (LTS) | (7 years and 7 months ago) | (6 years and 5 months ago) | cos-69-10895-385-0 (6 years and 7 months ago) | LTS |
Google Container-Optimized OS (COS) End of Life & Support Summary
Which Google Container-Optimized OS (COS) Versions Are Currently Supported?
Google Container-Optimized OS (COS) currently has 2 supported releases. Google Container-Optimized OS (COS) cos-125-19216-220-185 LTS is the latest, with active support through Sep 01, 2027. Google Container-Optimized OS (COS) 121 (LTS) is also supported until Mar 01, 2027. Note that Google Container-Optimized OS (COS) 117 (LTS) support ends on Sep 01, 2026 — plan your upgrade before then.
Google Container-Optimized OS (COS) Versions Nearing End of Life
1 Google Container-Optimized OS (COS) release is reaching End of Life (EOL) within 6 months. Google Container-Optimized OS (COS) 117 (LTS) support ends on Sep 01, 2026. Upgrade to Google Container-Optimized OS (COS) cos-125-19216-220-185 LTS to stay on a supported release.
Google Container-Optimized OS (COS) End of Life (EOL) Version History
12 Google Container-Optimized OS (COS) releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Google Container-Optimized OS (COS) 113 (LTS) reached EOL on Mar 01, 2026. Google Container-Optimized OS (COS) cos-125-19216-220-185 LTS is the recommended upgrade for users still on End of Life versions.