Kubernetes 1.13 graduates kubeadm, CSI and CoreDNS, adds admission webhook GA, kubectl plugin extensibility, and solidifies Windows and device plugin support.
Network Policies provide pod-level network segmentation in Kubernetes, enabling micro-segmentation and defense-in-depth security strategies.
kind (Kubernetes in Docker) emerges as a powerful tool for local development and CI/CD testing, offering a lightweight alternative to minikube.
Kubernetes 1.12 introduces HPA v2beta2 with stable custom metrics support, enabling autoscaling on application metrics, queue depth, and cloud service metrics beyond CPU and memory.
Kubernetes 1.12 graduates kubelet TLS bootstrap and Azure VMSS to GA, introduces RuntimeClass, volume snapshot alpha, and major autoscaling improvements for large clusters.
Comparing the three major managed Kubernetes services: Amazon EKS, Azure Kubernetes Service, and Google Kubernetes Engine as they reach production maturity.
Kubernetes 1.11 graduates IPVS load-balancing, CoreDNS, kubeadm and CRD versioning, while upgrading etcd and polishing multi-cloud integrations.
Kubernetes 1.10 promotes CSI and local persistent volumes to beta, introduces pod priority & preemption, dynamic kubelet configuration, and tighter security integrations for production clusters.
Kubernetes 1.9 introduces Vertical Pod Autoscaler alpha, enabling automatic resource request and limit adjustment for pods based on historical usage patterns.
Kubernetes 1.9 brought apps/v1 GA, expanded ecosystem support for Windows and Docker, and maturity upgrades across storage and admission-control.