Azure Container Services Docs – Weekly Update (2026-05-24 to 2026-05-31)

AKS – How to Enable Ebpf Host Routing

Summary

This document has been revised to provide clearer instructions on enabling eBPF Host Routing with Advanced Container Networking Services. It emphasizes the importance of registering the feature flag and includes updated commands for better clarity.

AGC – Alb Controller Release Notes

Summary

The release notes for the ALB Controller have been updated to include new security updates and hotfixes. This ensures users are informed about the latest improvements and fixes, enhancing the reliability of the Application Gateway for Containers.

AKS – Container Network Performance Ebpf Host Routing

Summary

The documentation for eBPF Host Routing has been updated to clarify that it is incompatible with nodes running operating systems other than Ubuntu 24.04 or Azure Linux 3.0, and it is not supported with Confidential VMs and Pod Sandboxing. Additionally, users should note that eBPF Host Routing cannot be used with the Static Egress Gateway, and Istio Ambient through a self-managed installation with ACNS Performance mode is also not supported.

AGC – Quickstart Deploy Application Gateway for Containers Alb Controller Helm

Summary

The documentation has been updated to reflect the new Helm chart version 1.10.28, replacing the previous version 1.10.27 in multiple command examples. Additionally, the instructions for overriding namespaces during the `helm install` command have been clarified, emphasizing that users can now specify the `–namespace` parameter and the `–set albController.namespace` property more clearly. The section numbering for uninstalling the ALB Controller has also been corrected, improving the overall clarity of the instructions.

AGC – Quickstart Deploy Application Gateway for Containers Alb Controller Addon

Summary

The quickstart guide for deploying the Application Gateway for Containers AKS add-on has been updated to clarify that the add-on is not supported on AKS Automatic clusters. It also includes details on validating the GatewayClass condition.

AKS – App Routing Nginx to Gateway API Migration

Summary

Step-by-step guide to migrate ingress traffic from the application routing add-on with ingress-nginx to the application routing Gateway API (Istio) implementation on Azure Kubernetes Service with zero downtime.

AGC – Service Mesh Integration

Summary

The documentation now includes updated version information for the ALB Controller Service Mesh Extension, reflecting the new version 1.10.28. Additionally, it clarifies that the integration assumes an Istio sidecar-based service mesh, as ambient mode is not supported, and provides specific instructions for configuring sidecar injection based on the Istio version installed. Users can now also see examples updated to use the namespace "test-infra" instead of "istio-example-namespace," ensuring consistency in the provided commands and configurations.

AGC – Overview

Summary

The documentation now includes details about new flexible load balancing strategies available with Application Gateway for Containers, such as Least Request, Load Aware Routing, Ring Hash, Round Robin, and Weighted Round Robin. Users can leverage these strategies to optimize traffic management and improve application performance. Additionally, the section on traffic splitting has been updated to reflect the inclusion of weighted round robin capabilities.

AKS – App Routing Gateway API

Summary

The application routing add-on documentation has been updated to reflect the latest changes in the Kubernetes Gateway API. This includes removing preview tags and updating the installation instructions, ensuring users have access to the most current information.

Fleet – Concepts RBAC

Summary

This update adds a note regarding Azure Portal permissions for adding member clusters, emphasizing that users need Contributor permissions for the resource group where Fleet Manager is deployed. It also clarifies that certain RBAC roles are not supported for Arc-enabled member clusters and specific Kubernetes Custom Resources.

AKS – Gpu Enabled Cluster Issue

Summary

This document has been updated with new metadata and author information, reflecting recent changes and ensuring that the documentation is current and accurate.

AGC – API Specification Kubernetes

Summary

The API specification for Kubernetes has been updated to include the LoadAwareConfig, which defines configurations for load-aware routing, enhancing the management of traffic distribution based on backend server utilization.

AGC – Migrate From Agic to Agc

Summary

The documentation now emphasizes that Application Gateway for Containers has a migration utility to assist users in automatically translating AGIC Ingress to Gateway API, providing a more streamlined migration process. Additionally, the language has been updated for clarity, indicating that users can retire the Application Gateway Ingress Controller configuration after validating the Application Gateway for Containers functionality. Users should also be aware that certain dependencies on the Ingress Controller may not be available in the new service, which could affect their migration strategy.

AKS – Istio Gateway API

Summary

The Istio Gateway API documentation has been updated to remove preview tags, indicating that the feature is now generally available. This change reflects the maturity of the feature and provides users with the latest configuration instructions.

AGC – Application Gateway for Containers Components

Summary

The documentation now includes detailed guidance on using User Defined Routes (UDRs) for the Application Gateway for Containers, allowing users to manage routing more effectively between the gateway and AKS clusters. Users can disable Border Gateway Protocol (BGP) route propagation and create UDRs to direct traffic to the internet, which helps prevent issues with client return traffic. Additionally, Network Security Groups (NSGs) are fully supported for associations created on or after April 23, 2026, enabling more granular control over inbound and outbound traffic rules.

Fleet – Quickstart Create Fleet and Members Portal

Summary

Updated the quickstart guide for creating a fleet and members portal in Azure Kubernetes Service. Added a permissions reference for Azure RBAC Contributor, enhancing clarity on required roles for users.

AKS – Upgrade AKS Node Pools Rolling

Summary

The documentation has been updated to clarify the behavior of the maxSurge and maxUnavailable settings during upgrades. It introduces a fallback strategy for upgrades, ensuring that even under capacity constraints, upgrades can proceed smoothly. This includes new commands and explanations for setting these parameters.

AGC – Siem Integration with Sentinel

Summary

The integration guide for SIEM with Microsoft Sentinel has been updated to reflect the latest steps for enabling the Microsoft Sentinel workspace, enhancing security monitoring capabilities for Application Gateway for Containers.

AKS – Best Practices Cost

Summary

The cost optimization best practices article has been significantly updated to provide new recommendations and best practices for optimizing costs in Azure Kubernetes Service (AKS), including the use of AKS Automatic.

AKS – Managed Gateway API

Summary

The documentation now specifies that users must use Azure CLI version 2.86.0 or higher to install and manage the Managed Gateway API on Azure Kubernetes Service (AKS). Additionally, the installation instructions have been updated to remove references to the preview status of the Managed Gateway API, indicating that it is now generally available. Users can also find updated commands for installing and updating the `aks-preview` extension.

AGC – Load Balancing Strategies

Summary

This document introduces various load balancing strategies available in Application Gateway for Containers, emphasizing their importance in optimizing performance and enhancing reliability in dynamic environments. It details algorithms like Round Robin, Weighted Round Robin, and Slow Start, along with their configurations and scenarios.

Fleet – Howto Configure Use Cross Cluster Networking

Summary

This document provides detailed instructions on configuring cross-cluster networking for Azure Kubernetes Fleet Manager, including the use of managed Cilium multi-cluster networking. It includes a new section on cleaning up resources and troubleshooting, enhancing the overall usability and clarity of the documentation.