freshness203

Author: dagiro

articles/hdinsight/hdinsight-component-versioning.md

@@ -7,7 +7,7 @@ ms.reviewer: jasonh
 ms.service: hdinsight
 ms.topic: conceptual
 ms.custom: hdinsightactive,hdiseo17may2017
-ms.date: 02/02/2020
+ms.date: 02/26/2020
 ---
 
 # What are the Apache Hadoop components and versions available with HDInsight?
@@ -58,6 +58,12 @@ See [HDInsight release notes](hdinsight-release-notes.md) for additional release
 
 ## Supported HDInsight versions
 
+### Support expiration vs retirement
+
+**Support expiration** means the specified version will no longer be avaiable through the Azure portal. However, the versions are available through SDKs.
+
+**Retirement** means existing clusters run as-is with no support, no new creation through any means. Control plane features (such as manual and autoscaling) may not work after version retirement.
+
 The following tables list the versions of HDInsight. The support expiration and retirement dates are also provided, when they're known.
 
 ### Available versions