Control Plane Debt: The 2030 Bill You're Already Accruing
You know that feeling when a Kubernetes version goes end-of-life and you haven't even looked at the upgrade notes? That's control plane debt. It's the maintenance you've deferred, and by 2030 it'll be a line item you can't ignore. This isn't about doom. It's about sizing the bill before it arrives. Why You Can't Ignore the Clock Anymore The 3-year support cliff and what it means for your cluster Kubernetes releases move on a fast cadence—three minor versions per year, each supported for roughly fourteen months. That sounds manageable until you map it against your own upgrade history. Most teams I talk to are sitting two, sometimes three minor versions behind. The clock is not gentle. By 2030, every version you run today will be dead, patched no more, and quietly incompatible with the ecosystem growing around it. The real pressure isn't the version number itself. It's the accumulated delta.