.NET 9.0.308 - November 19, 2025
November 19, 2025 · View on GitHub
Today, we are releasing an SDK only update to .NET 9.0.307 SDK. The 9.0.308 SDK update corrects an issue in .NET 9.0.307 SDK on Windows where projects that use MSBuild tasks configured to run in a separate process will fail with an error like `error MSB4216: Could not run the "ReplaceTokenInFileTask" task because MSBuild could not create or connect to a task host with runtime "NET" and architecture "x64".
For technical details and discussion, see the Known issues & Tracking Issue
The .NET 9.0.308 release is available for download. This SDK includes the released .NET 9.0.11 Runtime and is in support of Visual Studio 17.14 release. The latest 9.0 release is always listed at .NET 9.0 Releases.
Downloads
| SDK Installer | SDK Binaries | Runtime Installer | Runtime Binaries | ASP.NET Core Runtime | Windows Desktop Runtime | |
|---|---|---|---|---|---|---|
| Windows | x86 | x64 | Arm64 | x86 | x64 | Arm64 | x86 | x64 | Arm64 | x86 | x64 | Arm64 | x86 | x64 | Hosting Bundle | x86 | x64 | Arm64 |
| macOS | x64 | ARM64 | x64 | ARM64 | x64 | ARM64 | x64 | ARM64 | x64 | ARM64 | - |
| Linux | Snap and Package Manager | x64 | Arm | Arm64 | Arm32 Alpine | x64 Alpine | Packages (x64) | x64 | Arm | Arm64 | Arm32 Alpine | Arm64 Alpine | x64 Alpine | x64 | Arm | Arm64 | x64 Alpine | - |
| Checksums | Checksums | Checksums | Checksums | Checksums | Checksums |
- Includes the .NET Runtime and ASP.NET Core Runtime
- For hosting stand-alone apps on Windows Servers. Includes the ASP.NET Core Module for IIS and can be installed separately on servers without installing .NET Runtime.
The .NET SDK includes a matching updated .NET Runtime. Downloading the Runtime or ASP.NET Core packages is not needed when installing the SDK.
You can check your .NET SDK version by running the following command. The example version shown is for this release.
$ dotnet --version
9.0.308
Visit .NET Documentation to learn about .NET, for building many different types of applications.
Visual Studio Compatibility
You need Visual Studio 17.12 or later to use .NET 9.0 on Windows. While not officially supported, we’ve also enabled rudimentary support for .NET 9.0 in Visual Studio for Mac. Users have to enable a preview feature in Preferences to enable the IDE to discover and use the .NET 9.0 SDK for creating, loading, building, and debugging projects. The C# extension for Visual Studio Code supports .NET 9.0 and C# 13.
Packages updated in this release
| Package name | Version |
|---|---|
| FSharp.Compiler.Service | 43.9.303 |
| FSharp.Core | 9.0.303 |
| Microsoft.DotNet.ApiCompat.Task | 9.0.308 |
| Microsoft.DotNet.ApiCompat.Tool | 9.0.308 |
| Microsoft.DotNet.Common.ItemTemplates | 9.0.308 |
| Microsoft.DotNet.Common.ProjectTemplates.9.0 | 9.0.308 |
| Microsoft.NET.Build.Containers | 9.0.308 |
| Microsoft.Net.Sdk.Compilers.Toolset | 9.0.308 |