Kubernetes 1.31 LTS end of lifeAzureAzure Kubernetes ServiceLTS end of life date for Kubernetes 1.31 on Azure Kubernetes Service: Nov 2026. For clusters with long-term support enabled, support for the version continues only until that date. After it, those clusters must move to the next supported LTS version.
Kubernetes 1.34 end of lifeAzureAzure Kubernetes ServiceEnd of life date for Kubernetes 1.34 on Azure Kubernetes Service: Nov 2026. After that date, community support for the version ends and clusters not enrolled in long-term support enter platform support, which covers AKS and Azure platform issues only.
managed NGINX ingress (Application Routing) retirementAzureAzure Kubernetes ServiceEnd of support date for the NGINX ingress controller within the AKS Application Routing add-on: Nov 2026. Critical security patches from Microsoft end on that date.
Azure Linux with OS Guard retirementAzureAzure Kubernetes ServiceEnd of support date for Azure Linux with OS Guard in Azure Kubernetes Service: 10 Dec 2026. From that date, new Azure Linux with OS Guard node pools cannot be created and existing ones get no security patches. AKS removes the node images on March 10, 2027.