Merge pull request #96891 from jluk/master

add relnote detail

Author: PRMerger6

articles/aks/supported-kubernetes-versions.md

@@ -45,6 +45,9 @@ series, you should upgrade to *1.12.15* as soon as you are able to ensure your c
 
 ## Kubernetes version support policy
 
+> [!NOTE]
+> Starting December 9th, 2019 AKS will move to supporting latest (N) - 2 versions of Kubernetes. This change is to conform to the upstream window of support for Kubernetes versions and ensure the latest and most secure versions are being used. To learn more read the [announcement here](https://azure.microsoft.com/updates/azure-kubernetes-service-will-be-retiring-support-for-kubernetes-versions-1-11-and-1-12/).
+
 AKS supports four minor versions of Kubernetes:
 
 * The current minor version that is released in AKS (N)
@@ -124,10 +127,16 @@ available in all regions.
 > deprecated/removed users are given 60 days to upgrade to a supported release. In the case of patch releases,
 > customers are given 30 days to upgrade to a supported release.
 
-Notifications are sent via:
+#### Notification channels for AKS changes
+
+AKS releases a weekly service update which summarizes new Kubernetes versions, service changes, and component updates that have been released on the service on [github](https://github.com/Azure/AKS/releases).
+
+These changes are rolled to all customers as part of regular maintenance that is offered as part of the managed service, some require explicit upgrades while others require no action.
+
+Notifications are also sent via:
 
 * [AKS Release notes](https://aka.ms/aks/releasenotes)
-* Azure portal Notifications
+* Azure portal notifications
 * [Azure update channel][azure-update-channel]
 
 ### Policy Exceptions