Azure Kubernetes Service Changelog

Release 2021-08-19

This release is rolling out to all regions - estimated time for completed roll out is 2021-08-26 for public cloud and 2021-09-02 for sovereign clouds.

Announcements

• On the next release of the az AKS CLI we will introduce a new subcommand "aks addons" which will have the following commands: disable, enable, list, list-available, show, update.

Release Notes

• Component Updates
  • Kubernetes patch versions: 1.19.13 and 1.20.9 have been onboarded. Versions 1.19.9 and 1.20.5 have been deprecated.
  • Bump Windows containerd to v0.0.42
  • Bump CoreDNS to 1.8.4 for Kubernetes versions above 1.20.0
  • AKS Ubuntu 18.04 image updated to AKSUbuntu-1804-2021.08.14 - please refer to the link for package versions in this VHD.
  • AKS Windows image has been updated to 2019-datacenter-core-smalldisk-17763.2114.210811 - please refer to the link for component versions in this VHD.
• Behavioral Changes
  • Stop ability to make changes to the following system labels:
    • beta.kubernetes.io/arch
    • beta.kubernetes.io/instance-type
    • beta.kubernetes.io/os
    • failure-domain.beta.kubernetes.io/region
    • failure-domain.beta.kubernetes.io/zone
    • failure-domain.kubernetes.io/zone
    • failure-domain.kubernetes.io/region
    • kubernetes.io/arch
    • kubernetes.io/hostname
    • kubernetes.io/os
    • kubernetes.io/role
    • kubernetes.io/instance-type
    • node.kubernetes.io/instance-type
    • topology.kubernetes.io/region
    • topology.kubernetes.io/zone
    • kubernetes.azure.com/role=agent
    • node-role.kubernetes.io/agent
    • kubernetes.io/role=agent
    • agentpool
    • storageprofile
    • storagetier
    • accelerator
    • kubernetes.azure.com/fips_enabled
    • kubernetes.azure.com/os-sku
    • kubernetes.azure.com/cluster