Release Release 2019-09-16 · Azure/AKS

This release is rolling out to all regions

The announced updates to default new clusters to VMSS/SLB configurations is
under way, if you are using the aks-preview Azure CLI extension,
all clusters created are now defaulted to VMSS & SLB.
AKS Kubernetes 1.10 support will be end-of-lifed on Oct 25, 2019
AKS Kubernetes 1.11 & 1.12 support will be end-of-lifed on Dec 9, 2019
New Documentation additions:
- Authenticate with Azure Container Registry from AKS
- Security hardening in AKS virtual machine hosts
The AKS team is pleased to announce the new aks-periscope tool.
- AKS Periscope will allow AKS customers to run initial diagnostics and
  collect logs into an Azure Blob storage account to help them analyze and
  identify potential problems.
- For more information please see: https://aka.ms/AKSPeriscope

New Features
- AKS now GA in the Azure US Gov Virginia region.
  - https://azure.microsoft.com/en-us/updates/azure-kubernetes-service-is-now-available-in-azure-government/
- Control of egress traffic for cluster nodes in AKS is now GA
  - This feature allows you to restrict outbound network communication for
    you cluster as required for compliance or other secure use-cases.
  - https://docs.microsoft.com/en-us/azure/aks/limit-egress-traffic
Known Issues:
- Clusters that do not have PSPs enabled upgrading to Kubernetes 1.15 will fail
  - #1220
Bug Fixes
- An issue where excessively logs (eg node/status patch events) were being
  emitted to the audit logs stream and stored. Customer should now see
  greatly reduced audit log volume
Preview Features
- The --control-plane-only flag has been added to the aks-preview extension - this command
  will force the upgrade of the customers control plane without simultaneously
  upgrading the other nodepools. This functionality is only supported for
  multi-pool clusters.
  - See: https://github.com/Azure/azure-cli-extensions/blob/master/src/aks-preview/HISTORY.md

Provide feedback