Merge pull request #272271 from sreekzz/patch-28

Updated HDInsight Release Notes for Hot Fix Apr 2024

Author: Stacyrch140

articles/hdinsight/hdinsight-release-notes.md

@@ -4,7 +4,7 @@ description: Latest release notes for Azure HDInsight. Get development tips and
 ms.custom: references_regions
 ms.service: hdinsight
 ms.topic: conceptual
-ms.date: 02/19/2024
+ms.date: 04/16/2024
 ---
 
 # Azure HDInsight release notes
@@ -17,50 +17,44 @@ Azure HDInsight is one of the most popular services among enterprise customers f
 Subscribe to the [HDInsight Release Notes](./subscribe-to-hdi-release-notes-repo.md) for up-to-date information on HDInsight and all HDInsight versions.
 
 
-To subscribe, click the “watch” button in the banner and watch out for [HDInsight Releases](https://github.com/Azure/HDInsight/releases).
+To subscribe, click the **watch** button in the banner and watch out for [HDInsight Releases](https://github.com/Azure/HDInsight/releases).
 
 ## Release Information
 
-### Release date:  February  15, 2024
+### Release date: April 15, 2024
 
-This release applies to HDInsight 4.x and 5.x versions. HDInsight release will be available to all regions over several days. This release is applicable for image number **2401250802**. [How to check the image number?](./view-hindsight-cluster-image-version.md)
+This release note applies to HDInsight 5.1 version. HDInsight release will be available to all regions over several days. This release note is applicable for image number **2403290825**. [How to check the image number?](./view-hindsight-cluster-image-version.md)
 
 HDInsight uses safe deployment practices, which involve gradual region deployment. It might take up to 10 business days for a new release or a new version to be available in all regions.
 
 **OS versions**
 
-* HDInsight 4.0: Ubuntu 18.04.5 LTS Linux Kernel 5.4
-* HDInsight 5.0: Ubuntu 18.04.5 LTS Linux Kernel 5.4
 * HDInsight 5.1: Ubuntu 18.04.5 LTS Linux Kernel 5.4
 
 > [!NOTE]
 > Ubuntu 18.04 is supported under [Extended Security Maintenance(ESM)](https://techcommunity.microsoft.com/t5/linux-and-open-source-blog/canonical-ubuntu-18-04-lts-reaching-end-of-standard-support/ba-p/3822623) by the Azure Linux team for [Azure HDInsight July 2023](/azure/hdinsight/hdinsight-release-notes-archive#release-date-july-25-2023), release onwards. 
 
-For workload specific versions, see 
+For workload specific versions, see [HDInsight 5.x component versions](./hdinsight-5x-component-versioning.md).
 
-* [HDInsight 5.x component versions](./hdinsight-5x-component-versioning.md)
-* [HDInsight 4.x component versions](./hdinsight-40-component-versioning.md)
-
-## New features
-
-- Apache Ranger support for Spark SQL in Spark 3.3.0 (HDInsight version 5.1) with Enterprise security package. Learn more about it [here](./spark/ranger-policies-for-spark.md).
-  
 ## Fixed issues
 
-- Security fixes from Ambari and Oozie components
+* Bug fixes for Ambari DB, Hive Warehouse Controller (HWC), Spark, HDFS 
+* Bug fixes for Log analytics module for HDInsightSparkLogs 
+* CVE Fixes for [HDInsight Resource Provider](./hdinsight-overview-versioning.md#hdinsight-resource-provider).
 
 
 ## :::image type="icon" border="false" source="./media/hdinsight-release-notes/clock.svg"::: Coming soon
 
-* Basic and Standard A-series VMs Retirement.
+* [Basic and Standard A-series VMs Retirement](https://azure.microsoft.com/updates/basic-and-standard-aseries-vms-on-hdinsight-will-retire-on-31-august-2024/).
    * On August 31, 2024, we'll retire Basic and Standard A-series VMs. Before that date, you need to migrate your workloads to Av2-series VMs, which provide more memory per vCPU and faster storage on solid-state drives (SSDs).
    * To avoid service disruptions, [migrate your workloads](https://aka.ms/Av1retirement) from Basic and Standard A-series VMs to Av2-series VMs before August 31, 2024.
+* Retirement Notifications for [HDInsight 4.0](https://azure.microsoft.com/updates/basic-and-standard-aseries-vms-on-hdinsight-will-retire-on-31-august-2024/) and  [HDInsight 5.0](https://azure.microsoft.com/updates/hdinsight5retire/).
 
 If you have any more questions, contact [Azure Support](https://ms.portal.azure.com/#view/Microsoft_Azure_Support/HelpAndSupportBlade/~/overview).
 
-You can always ask us about HDInsight on [Azure HDInsight - Microsoft Q&A](/answers/tags/168/azure-hdinsight)
+You can always ask us about HDInsight on [Azure HDInsight - Microsoft Q&A](/answers/tags/168/azure-hdinsight).
 
-We are listening: You’re welcome to add more ideas and other topics here and vote for them - [HDInsight Ideas](https://feedback.azure.com/d365community/search/?q=HDInsight) and follow us for more updates on [AzureHDInsight Community](https://www.linkedin.com/groups/14313521/)
+We're listening: You’re welcome to add more ideas and other topics here and vote for them - [HDInsight Ideas](https://feedback.azure.com/d365community/search/?q=HDInsight) and follow us for more updates on [AzureHDInsight Community](https://www.linkedin.com/groups/14313521/).
 
 > [!NOTE]
 > We advise customers to use to latest versions of HDInsight [Images](./view-hindsight-cluster-image-version.md) as they bring in the best of open source updates,  Azure updates and security fixes. For more information, see [Best practices](./hdinsight-overview-before-you-start.md).