Dear Customer,
We would like to inform you about an upcoming scheduled upgrade for Calico, the underlying network component for Kubernetes, across all environments and regions.
Upgrade Details — non-PROD environments:
- Target Version: calico 3.31( Essential release)
- Date: February 09 -13, 2026
- Time window: EU working Hours ( 09:00 – 18:00 , UTC+1)
Upgrade Details — PROD environments:
- Target Version: calico 3.31( Essential release)
- Date: February 16 – 20, 2026
- Time window by region
- US regions: 09:00 – 12:00 (UTC+1)
- EMEA regions: 18:00 – 22:00 (UTC+1)
Please note that the estimated downtime is up to 60 minutes per cluster in the worst-case scenario.
If you have any questions, concerns, or have to request a different schedule, please contact our Project Managers by the end of this week. Otherwise, we will proceed as planned.
Thank you for your attention and continued collaboration.
Best regards,
Your CONVOTIS Deutschland Managed Services Team