Google Container-Optimized OS (COS) cos-121

ending soonend of life within 180 days

Google Container-Optimized OS (COS) cos-121 reaches end of life in 4 months.

Supported now: Google Container-Optimized OS (COS) cos-125 (LTS until 2028-02-01), Google Container-Optimized OS (COS) cos-129 (LTS until 2028-07-01), Google Container-Optimized OS (COS) cos-133 (LTS until 2028-11-01)

Facts

Released
(18 months ago)
Security support ends
(in 4 months)
Latest release
cos-121-18867-652-7, (2 days ago)
LTS
yes
Source
endoflife.date (checked 2026-09-09)

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