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Release 2021-01-04
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30 changes: 30 additions & 0 deletions CHANGELOG.md
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# Azure Kubernetes Service Changelog

## Release 2021-01-04

This release is rolling out to all regions - ETA for conclusion 2021-01-13 for public cloud.

### Announcements

* The Azure Kubernetes Service [pod security policy (preview)](https://docs.microsoft.com/azure/aks/use-pod-security-policies) feature will be retired on May 31st, 2021.
* Once GA AKS will default to its new [GPU specialized image](https://aka.ms/aks/specialized-gpu-image) as the supported option for GPU-capable agent nodes.
* AKS has defaulted Azure CNI to transparent mode (from its previous default of bridge mode). This should bring no impact and carries several benefits, read more about it [here](https://aka.ms/aks/transparent-mode)
* As previously announced, with the Holiday Season ending AKS will deprecate Kubernetes v1.16, completing the extension given after the GA of v1.19 for the holiday season and returning to the regular 3 supported versions window. After the week of January 31st, 2021 you will no longer be able to create v1.16.x based clusters or nodepools.

### Release Notes

* Features
* AKS now supports every CPU-based SKU dynamically. This means that every new CPU-based SKU is automatically supported by AKS so long they're not on the [restrictions list](https://docs.microsoft.com/azure/aks/quotas-skus-regions#restricted-vm-sizes). GPU-based SKUs and other specialty SKUs still require additional validation before being enabled
* AKS Cluster Autoscaler now exposes the `max-node-provision-time` and `priority` properties as part of the [Cluster Autoscaler profile](https://docs.microsoft.com/azure/aks/cluster-autoscaler#using-the-autoscaler-profile).
* Bug Fixes
* Fixed edge case on Bring your own subnet + kubenet network plugin scenarios where the route table was not correctly associated before the nodes started being created.
* Better handling of race condition with liveness probes of the `aks-link` component.
* Cluster autoscaler bug fix for incorrectly reading the value of `new-pod-scale-up` and improvements to CA liveness probe.
* Case insensitivity fix for `networkPlugin``, networkPolicy` and `loadbalancerSku`.
* Bug fixed on BYO Route Table kubenet scenarios where the cluster deletion didn't correctly clean up the route table rules created by kubernetes.
* Preview Features
* Cluster Start/Stop now works in clusters with Cluster Autoscaler enabled and Private clusters.
* Component Updates
* AKS Windows image has been updated to [2019-datacenter-core-smalldisk-17763.1579.201208](vhd-notes/AKSWindows/2019/17763.1637.201215.txt).
* AKS Ubuntu 16.04 image updated to [AKSUbuntu-1604-2020.12.15](vhd-notes/aks-ubuntu/AKSUbuntu-1604/2020.12.15.txt).
* AKS Ubuntu 18.04 image updated to [AKSUbuntu-1804-2020.12.15](vhd-notes/aks-ubuntu/AKSUbuntu-1804/2020.12.15.txt).
* Updated Azure CNI plugin version for Linux and Windows to 1.2 - <https://github.com/Azure/azure-container-networking/releases>.

## Release 2020-11-30

This release is rolling out to all regions - ETA for conclusion 2020-12-09 for public cloud.
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135 changes: 135 additions & 0 deletions vhd-notes/AKSWindows/2019/17763.1637.201215.txt
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System Info
OS Name : Windows Server 2019 Datacenter
OS Version : 17763.1637
OS InstallType : Server Core

Allowed security protocols: Tls, Tls11, Tls12

Installed Features

Display Name Name Install State
------------ ---- -------------
[X] File and Storage Services FileAndStorage-Services Installed
[X] Storage Services Storage-Services Installed
[X] Hyper-V Hyper-V Installed
[X] .NET Framework 4.7 Features NET-Framework-45-Fea... Installed
[X] .NET Framework 4.7 NET-Framework-45-Core Installed
[X] WCF Services NET-WCF-Services45 Installed
[X] TCP Port Sharing NET-WCF-TCP-PortShar... Installed
[X] BitLocker Drive Encryption BitLocker Installed
[X] Containers Containers Installed
[X] Enhanced Storage EnhancedStorage Installed
[X] Remote Server Administration Tools RSAT Installed
[X] Role Administration Tools RSAT-Role-Tools Installed
[X] Hyper-V Management Tools RSAT-Hyper-V-Tools Installed
[X] Hyper-V Module for Windows PowerShell Hyper-V-PowerShell Installed
[X] System Data Archiver System-DataArchiver Installed
[X] Windows Defender Antivirus Windows-Defender Installed
[X] Windows PowerShell PowerShellRoot Installed
[X] Windows PowerShell 5.1 PowerShell Installed
[X] WoW64 Support WoW64-Support Installed



Installed Packages
Language.Basic~~~en-US~0.0.1.0
Language.Handwriting~~~en-US~0.0.1.0
Language.OCR~~~en-US~0.0.1.0
Language.Speech~~~en-US~0.0.1.0
Language.TextToSpeech~~~en-US~0.0.1.0
MathRecognizer~~~~0.0.1.0
OpenSSH.Client~~~~0.0.1.0
OpenSSH.Server~~~~0.0.1.0

Installed QFEs
KB4578966 : Update : http://support.microsoft.com/?kbid=4578966
KB4587735 : Security Update : http://support.microsoft.com/?kbid=4587735
KB4592440 : Security Update : http://support.microsoft.com/?kbid=4592440

Installed Updates
2020-10 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows Server 2019 for x64 (KB4579976)
Security Intelligence Update for Microsoft Defender Antivirus - KB2267602 (Version 1.329.430.0)
2020-12 Cumulative Update for Windows Server 2019 (1809) for x64-based Systems (KB4592440)

Windows Update Registry Settings
https://docs.microsoft.com/en-us/windows/deployment/update/waas-wu-settings
HKLM:SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
HKLM:SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
NoAutoUpdate : 1

Docker Info
Version: Docker version 19.03.11, build 0da829ac52

Images:

Repository Tag ID
---------- --- --
mcr.microsoft.com/windows/servercore ltsc2019 c0773f9ce353
mcr.microsoft.com/windows/nanoserver 1809 6795354d435f
mcr.microsoft.com/oss/kubernetes-csi/csi-node-driver-registrar v2.0.1 077fe47c8702
mcr.microsoft.com/oss/kubernetes/pause 1.4.0 23d55e3daca0
mcr.microsoft.com/oss/kubernetes-csi/csi-node-driver-registrar v1.2.1-alpha.1-windows-1809-amd64 927caec05c10
mcr.microsoft.com/oss/kubernetes-csi/livenessprobe v2.0.1-alpha.1-windows-1809-amd64 7c4afdb7e0d6



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