Azure service updates > Reducing Kubernetes patch versions supported in Azure Kubernetes Service
https://azure.microsoft.com/en-us/updates/reducing-kubernetes-patch-versions-supported-in-azure-kubernetes-service-aks/
Latest Azure Updates
Azure service updates > Reducing Kubernetes patch versions supported in Azure Kubernetes Service
https://azure.microsoft.com/en-us/updates/reducing-kubernetes-patch-versions-supported-in-azure-kubernetes-service-aks/