Azure AKS (changelog)

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2021-03-15 · Release 2021-03-15 · 1y+

This release is rolling out to all regions - ETA for conclusion 2021-03-24 for public cloud.

Announcements

  • The Azure Kubernetes Service pod security policy (preview) feature will be retired on June 30th, 2021.
  • Once GA AKS will default to its new GPU specialized image as the supported option for GPU-capable agent nodes.
  • Kubernetes version 1.17 will be deprecated in the last week of March 2021.
  • Before k8s 1.20 a bug would allow exec probes to run indefinitely, ignoring any timeoutSeconds configuration value. The previous buggy behavior has been fixed, and timeouts are now enforced. Additionally, this change introduces a new default timeout of 1 second. Please audit all your existing exec probes to make sure that it is appropriate to enforce a 1 second timeout. If not, please provide an explicit timeoutSeconds value that is appropriate for each exec probe.
  • CSI Drivers will become default for Kubernetes versions 1.21+.

Release Notes

  • Bug Fixes
    • Fixed an issue with using a managed identity created in a different subscription from the cluster while using pod identity github.
  • Behavioral Changes
    • Made improvements to Cluster AutoScaler for ignoring pods that are stuck in Terminating state to be considered for scale down after exhausting their grace period.
    • WinDSR is enabled by default for [Kubernetes versions 1.20+]
  • Component Updates