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@@ -4,7 +4,7 @@ description: Latest release notes for Azure HDInsight. Get development tips and
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ms.custom: references_regions
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ms.service: hdinsight
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ms.topic: conceptual
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ms.date: 08/08/2023
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ms.date: 09/13/2023
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---
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# Azure HDInsight release notes
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To subscribe, click the “watch” button in the banner and watch out for [HDInsight Releases](https://github.com/Azure/HDInsight/releases).
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## Release date: July 25, 2023
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## Release date: September 7th, 2023
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This release applies to HDInsight 4.x and 5.x HDInsight release will be available to all regions over several days. This release is applicable for image number **2307201242**. [How to check the image number?](./view-hindsight-cluster-image-version.md)
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This release applies to HDInsight 4.x and 5.x HDInsight release will be available to all regions over several days. This release is applicable for image number **2308221128**. [How to check the image number?](./view-hindsight-cluster-image-version.md)
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HDInsight uses safe deployment practices, which involve gradual region deployment. it may take up to 10 business days for a new release or a new version to be available in all regions.
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##  What's new
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* HDInsight 5.1 is now supported with ESP cluster.
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* Upgraded version of Ranger 2.3.0 and Oozie 5.2.1 are now part of HDInsight 5.1
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* The Spark 3.3.1 (HDInsight 5.1) cluster comes with Hive Warehouse Connector (HWC) 2.1, which works together with the Interactive Query (HDInsight 5.1) cluster.
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> [!IMPORTANT]
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> This release addresses the following CVEs released by [MSRC](https://msrc.microsoft.com/update-guide/vulnerability) on August 8, 2023. The action is to update to the latest image **2307201242**. Customers are advised to plan accordingly.
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> This release addresses the following CVEs released by [MSRC](https://msrc.microsoft.com/update-guide/vulnerability) on September 12, 2023. The action is to update to the latest image **2308221128**. Customers are advised to plan accordingly.
* The max length of cluster name will be changed to 45 from 59 characters, to improve the security posture of clusters. Customers need to plan for the updates before 30, September 2023.
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* The max length of cluster name will be changed to 45 from 59 characters, to improve the security posture of clusters. This change will be implemented by September 30th, 2023.
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* Cluster permissions for secure storage
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* Customers can specify (during cluster creation) whether a secure channel should be used for HDInsight cluster nodes to contact the storage account.
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* In-line quota update.
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* Request quotas increase directly from the My Quota page, which will be a direct API call, which is faster. If the API call fails, then customers need to create a new support request for quota increase.
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* HDInsight Cluster Creation with Custom VNets.
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* To improve the overall security posture of the HDInsight clusters, HDInsight clusters using custom VNETs need to ensure that the user needs to have permission for `Microsoft Network/virtualNetworks/subnets/join/action` to perform create operations. Customers would need to plan accordingly as this change would be a mandatory check to avoid cluster creation failures before 30, September 2023.
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* To improve the overall security posture of the HDInsight clusters, HDInsight clusters using custom VNETs need to ensure that the user needs to have permission for `Microsoft Network/virtualNetworks/subnets/join/action` to perform create operations. Customers would need to plan accordingly as this change would be a mandatory check to avoid cluster creation failures before September 30, 2023.
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* Basic and Standard A-series VMs Retirement.
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* On 31 August 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 31, August 2024.
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* 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.
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* Non-ESP ABFS clusters [Cluster Permissions for Word Readable]
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* Plan to introduce a change in non-ESP ABFS clusters, which restricts non-Hadoop group users from executing Hadoop commands for storage operations. This change to improve cluster security posture. Customers need to plan for the updates before 30 September 2023.
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* Plan to introduce a change in non-ESP ABFS clusters, which restricts non-Hadoop group users from executing Hadoop commands for storage operations. This change to improve cluster security posture. Customers need to plan for the updates before 30 September, 2023.
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If you have any more questions, contact [Azure Support](https://ms.portal.azure.com/#view/Microsoft_Azure_Support/HelpAndSupportBlade/~/overview).
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You can always ask us about HDInsight on [Azure HDInsight - Microsoft Q&A](/answers/tags/168/azure-hdinsight)
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You’re welcome to add more proposals and ideas and other topics here and vote for them - [HDInsight Community (azure.com)](https://feedback.azure.com/d365community/search/?q=HDInsight) and follow us for more updates on [twitter](https://twitter.com/AzureHDInsight)
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You’re welcome to add more proposals and ideas and other topics here and vote for them - [HDInsight Community (azure.com)](https://feedback.azure.com/d365community/search/?q=HDInsight).
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> [!NOTE]
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> 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).
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