Google Container-Optimized OS (COS) cos-121 EOS & EOL timeline

Check Google Container-Optimized OS (COS) cos-121 release, end-of-support (EOS), end-of-life (EOL) and extended-support dates. Ending soon.

• cos-121LTS

  Ending soon
  1. ReleasedApr 14, 2025
  2. End of life (EOL)Mar 1, 2027

  End of support (EOS)

  Not announced

  Extended support

  Not announced

Support milestones: end of support = Active support; end of life = Support Status. Unknown dates are shown as “Not announced”. Paid extended support is separate from standard end of life. Support windows may vary by version and edition. Timeline spacing is not a duration scale.

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