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Architecture

Kubernetes 1.35: what you can already see coming

Kubernetes 1.35 has reached feature freeze, and three items matter. CEL-based admission policies go stable, replacing admission webhooks with expressions evaluated inside the control plane and removing an external failure point. Dynamic Resource Allocation goes stable for GPUs, NPUs and other accelerators. The new KubeletConfigSource API pushes kubelet configuration without restarting the node.

6 min 260 4.3
Architecture

Kubernetes 1.28: Sidecar Containers as First-Class Citizens

Kubernetes 1.28 introduces native sidecar containers in alpha via KEP-753: adding restartPolicy Always to initContainers ensures correct startup and shutdown ordering. It fixes Jobs that never terminate. Istio, Linkerd, and observability agents like Fluent Bit are the primary beneficiaries.

4 min 254 4.7