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2 changes: 1 addition & 1 deletion CHANGELOG.md
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Expand Up @@ -10,7 +10,7 @@ Monitor the release status by region at [AKS-Release-Tracker](https://releases.a
* Kubernetes 1.33 community version is going to be released before end of June 2025, please keep track of the rollout by regions via [AKS Release tracker](https://releases.aks.azure.com/).
* Customers using Azure Linux 2.0 should migrate to Azure Linux 3.0 before November 2025. For details on how to migrate from Azure Linux 2.0 to Azure Linux 3.0, see this [doc](https://learn.microsoft.com/azure/azure-linux/how-to-enable-azure-linux-3). AKS is currently working on a feature to allow for migrations between Azure Linux 2.0 and Azure Linux 3.0 through a node pool update command. For updates on feature progress and availability, see Github [issue](https://github.com/Azure/AKS/issues/4987).
* Starting in June 2025, AKS clusters with version >= 1.28 and using Azure Linux 2.0 can be opted into [Long Term Support](https://learn.microsoft.com/azure/aks/long-term-support). See [blog](https://techcommunity.microsoft.com/blog/linuxandopensourceblog/azure-linux-now-supports-aks-long-term-support-lts-starting-with-kubernetes-v1-2/4424826) for more information.
* Starting in June 2025, Azure Kubernetes Service will begin rolling out a change to enable quota for all current and new AKS customers. AKS quota will represent a limit of the maximum number of managed clusters that an Azure subscription can consume per region. Existing AKS customer subscriptions will be given a quota limit at or above their current usage, depending on region availability. Once quota is enabled, customers can view their available quota and request quota increases in the Quotas page in the Azure Portal or by using the Quotas REST API. For details on how to view and request quota increases via the Portal Quotas page, visit [Azure Quotas](https://learn.microsoft.com/azure/quotas/view-quotas). For details on how to view and request quota increases via the Quotas REST API, visit: [Azure Quota REST API Reference](https://learn.microsoft.com/rest/api/reserved-vm-instances/quotaapi). New AKS customer subscriptions will be given a default limit upon new subscription creation. More information on the default limits for new subscriptions is available in documentation [here](https://learn.microsoft.com/azure/azure-resource-manager/management/azure-subscription-service-limits).
* Starting in September 2025, Azure Kubernetes Service will begin rolling out a change to enable quota for all current and new AKS customers. AKS quota will represent a limit of the maximum number of managed clusters that an Azure subscription can consume per region. Existing AKS customer subscriptions will be given a quota limit at or above their current usage, depending on region availability. Once quota is enabled, customers can view their available quota and request quota increases in the Quotas page in the Azure Portal or by using the Quotas REST API. For details on how to view and request quota increases via the Portal Quotas page, visit [Azure Quotas](https://learn.microsoft.com/azure/quotas/view-quotas). For details on how to view and request quota increases via the Quotas REST API, visit: [Azure Quota REST API Reference](https://learn.microsoft.com/rest/api/reserved-vm-instances/quotaapi). New AKS customer subscriptions will be given a default limit upon new subscription creation. More information on the default limits for new subscriptions is available in documentation [here](https://learn.microsoft.com/azure/azure-resource-manager/management/azure-subscription-service-limits).
* [Ubuntu 18.04](https://github.com/Azure/AKS/issues/4873) is no longer supported on AKS. AKS will no longer create new node images or provide security updates for Ubuntu 18.04 nodes. Existing node images will be deleted by 17 July 2025. Scaling operations will fail. To avoid service disruptions, scaling restrictions, and remain supported, please follow our instructions to [upgrade](https://learn.microsoft.com/azure/aks/upgrade-aks-cluster?tabs=azure-cli) to a [supported Kubernetes version](https://learn.microsoft.com/azure/aks/supported-kubernetes-versions).
* [Teleport (preview)](https://github.com/Azure/acr/blob/main/docs/teleport/aks-getting-started.md) on AKS will be retired on 15 July 2025, please [migrate to Artifact Streaming (preview) on AKS](https://learn.microsoft.com/azure/aks/artifact-streaming) or update your node pools to set --aks-custom-headers EnableACRTeleport=false. Azure Container Registry has removed the Teleport API meaning that any nodes with Teleport enabled are pulling images from Azure Container Registry as any other AKS node. After 15 July 2025, any node pools with Teleport (preview) enabled may experience breakage and node provisioning failures. For more information, see [aka.ms/aks/teleport-retirement](https://aka.ms/aks/teleport-retirement).
Azure Kubernetes Service will no longer support the --skip-gpu-driver-install node pool tag to skip automatic driver installation. Starting on August 14 2025, you will no longer be able to use this node pool tag at AKS node pool creation time to install custom GPU drivers or use the GPU Operator. Alternatively, you should use the generally available gpu-driver API field to update your existing node pools or create new GPU-enabled node pools to [skip automatic GPU driver installation](https://learn.microsoft.com/azure/aks/gpu-cluster?tabs=add-ubuntu-gpu-node-pool#skip-gpu-driver-installation).
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