Azure/AKS 2020-11-16

Release 2020-11-16

on GitHub

This release is rolling out to all regions - ETA for conclusion 2020-12-03 for public cloud.

Announcements

• The Azure Kubernetes Service pod security policy (preview) feature will be retired on May 31st, 2021.
• Once GA AKS will default to its new GPU specialized image as the supported option for GPU-capable agent nodes.

Release Notes

• Features
  • Ephemeral OS is now Generally Available (GA). From now on ephemeral OS will be the default OS disk type for all SKUs and disk sizes that support it. See more here.
  • Kubernetes v1.19 is now Generally Available (GA).
  • ContainerD is now Generally Available (GA) and the default container runtime for cluster created or upgraded to kubernetes v1.19+. See more here.
  • Max Surge upgrades are now generally available. See more here.
• Behavioral changes
  • The command az aks browse will now open the Azure Portal Kubernetes resource view after the Azure CLI v2.15.0.
  • A new property subnetCIDR was added for the Application Gateway Ingress Controller (AGIC) addon. This property will eventually replace subnetPrefix, and is used by AGIC to create a new subnet for Application Gateway. Application Gateway is deployed in this subnet and is then configured by AGIC to provide ingress capability to AKS.
  • Added additional username and password validations for windows. The minimal password lenght in AKS is 14 characters. See more here.
  • AKS Base images now come from Shared Image Gallery and no longer from the Azure Marketplace.
• Bug Fixes
  • Fixed issued caused by Chrony on recent AKSUbuntu-1604-2020.10.28 images.
• Component Updates
  • Azure Monitor for Containers updated to version 11092020.
  • AKS Windows image has been updated to 2019-datacenter-core-smalldisk-17763.1577.201111.
  • AKS Ubuntu 16.04 image updated to AKSUbuntu-1604-2020.11.11.
  • AKS Ubuntu 18.04 image updated to AKSUbuntu-1804-2020.11.11.