Updated

Author: alkohli

azure-local/whats-new.md

@@ -5,7 +5,7 @@ ms.topic: overview
 author: alkohli
 ms.author: alkohli
 ms.service: azure-local
-ms.date: 05/12/2025
+ms.date: 05/19/2025
 ---
 
 # What's new in Azure Local?
@@ -16,6 +16,31 @@ ms.date: 05/12/2025
 
 This article lists the various features and improvements that are available in Azure Local. The latest version of Azure Local solution focuses on cloud-based deployment and updates, cloud-based monitoring, new and simplified experience for Azure Local virtual machine (VM) management, security, and more.
 
+::: moniker range="=azloc-2505"
+
+There are two 2505 releases for May. Here are the details of each release:
+
+|Solution version  |OS version |Deployment  |
+|---------|---------|---------|
+|12.2505.10XX.XX | 26XXX.XXXX        | New deployments only.        |
+|11.2505.10XX.XX  | 25398.XXXX        | Existing deployments only.        |
+
+For more information, see [Release information summary](./release-information-23h2.md).
+
+## Features and improvements in 2505
+
+This release has the following features and improvements:
+
+- **OS version changes**:
+
+    - For 2505, all new Azure Local deployments use a new operating system (OS) version **26XXX.XXXX**. You can download the 2505 OS image from the Azure portal. You also need to get the driver compatible with Azure Local 12.2505 or Windows Server 2025. Existing deployments continue to use the OS version **25398.XXXX**. For more information, see [Release information summary](./release-information-23h2.md).
+
+    - If you've purchased Integrated System or Premier solution hardware from the [Azure Local Catalog](https://aka.ms/AzureStackHCICatalog) through your preferred Microsoft hardware partner, the OS should be preinstalled. Work with your Original Equipment Manufacturer (OEM) to get the OS image compatible with **12.2505** and driver compatible with Azure Local 12.2505 or Windows Server 2025.
+
+- **.NET updates**: This build has an updated .NET version **8.0.16** for both .NET Runtime and ASP.NET Core. For more details see [Download .NET 8.0](https://dotnet.microsoft.com/download/dotnet/8.0).
+
+::: moniker-end
+
 ::: moniker range="=azloc-2504"
 
 Starting with 2504 release, Microsoft introduced a new versioning schema. There are two 2504 releases for April. Here are the details of each release: