Kubernetes 1.37 stabilises Metrics API and retires legacy components
Kubernetes v1.37, nicknamed Garhwal, advances production readiness by promoting long-standing features to stable status and removing older components. The release matters because Kubernetes is increasingly used in production and for AI inference workloads, making clearer support boundaries and less technical debt important for operators.
The update contains 67 changes, including 16 stable features, 23 beta features, 27 alpha features and one deprecation. Its Metrics API has finally reached general availability after nine years in beta, formally recognising its established use for pod and node CPU and memory data, including autoscaling. Kubernetes is also retiring kube-dns in favour of CoreDNS, with users required to migrate before version 1.40, while support for legacy IPVS and cgroup v1 is being phased out.
- Kubernetes 1.37 promotes its widely used Metrics API to stable status.
- Legacy kube-dns must be replaced with CoreDNS before version 1.40.
- The release removes ageing networking and Linux resource-management support.
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Originally published by The Register as “Kubernetes cleans house, bins legacy kube-dns, IPVS, and cgroup v1”.