.NET and .NET Framework May 2026 servicing releases updates - .NET Blog
A recap of the latest servicing updates for .NET and .NET Framework for May 2026.
.NET 11 Preview 4
This release contains the following improvements.
Libraries
- Process gets a major API expansion
- Span-based Deflate, ZLib, and GZip encoder/decoder APIs
- Floating-point hex formatting and parsing
- System.Text.Json improvements
- See all library updates
- Runtime libraries are now compiled with runtime-async
- JIT optimizations
- Hardware intrinsics and code generation
- See all runtime updates
- dotnet watch adds device selection for .NET MAUI and mobile projects
- Fish shell completions match Bash, Zsh, and PowerShell
- dotnet reference and similar commands fall back to the current directory
- OpenTelemetry replaces Application Insights for CLI telemetry
- See all SDK updates
- Clearer diagnostic for misplaced #! shebang directives
- Opt-in compilation cache for the VBCSCompiler build server
- See all C# updates
- HTTP QUERY in generated OpenAPI documents
- SupplyParameterFromTempData for Blazor
- Server-initiated Blazor Server circuit pause
- MCP Server template ships with the .NET SDK
- See all ASP.NET Core updates
Entity Framework Core
- Approximate vector search for SQL Server 2025
- JSON mapping is fully integrated into the relational model
- Temporal period properties can map to CLR properties
- dotnet ef reads defaults from dotnet-ef.json
- See all EF Core updates
To get started with .NET 11, install the .NET 11 SDK.
If you’re on Windows using Visual Studio, we recommend installing the latest Visual Studio 2026 Insiders. You can also use Visual Studio Code and the C# Dev Kit extension with .NET 11.
.NET 11 Preview 4 is now available! - .NET Blog
Find out about the new features in .NET 11 Preview 4 across the .NET runtime, SDK, libraries, ASP.NET Core, .NET MAUI, C#, Entity Framework Core, and more!
Download .NET 11.0 (Linux, macOS, and Windows) | .NET
.NET 11.0 downloads for Linux, macOS, and Windows. .NET is a free, cross-platform, open-source developer platform for building many different types of applications.
github .NET 10.0.8 GA
Release Notes
Install Instructions
Repos
- Aspnetcore
- dotnet
- dotnet
- dotnet
- EF Core
- Runtime
- SDK
- SDK
- SDK
- Templating
- Templating
- Templating
- Winforms
- WindowsDesktop
- WPF
What's Changed
.NET and .NET Framework May 2026 servicing releases updates - .NET BlogRelease .NET 10.0.8 · dotnet/core
Release Notes Install Instructions Repos Aspnetcore dotnet dotnet dotnet EF Core Runtime SDK SDK SDK Templating Templating Templating Winforms WindowsDesktop WPF What's Changed https://devblogs.m...
Download .NET 10.0 (Linux, macOS, and Windows) | .NET
.NET 10.0 downloads for Linux, macOS, and Windows. .NET is a free, cross-platform, open-source developer platform for building many different types of applications.
github .NET 9.0.16
Release Notes
Install Instructions
Repos
What's Changed
.NET and .NET Framework May 2026 servicing releases updates - .NET BlogRelease .NET 9.0.16 · dotnet/core
Release Notes Install Instructions Repos Aspnetcore EF Core Runtime SDK SDK Templating Templating Winforms WindowsDesktop WPF What's Changed https://devblogs.microsoft.com/dotnet/dotnet-and-dotne...
Download .NET 9.0 (Linux, macOS, and Windows) | .NET
.NET 9.0 downloads for Linux, macOS, and Windows. .NET is a free, cross-platform, open-source developer platform for building many different types of applications.
github .NET 8.0.27
Release Notes
Install Instructions
Repos
- Aspnetcore
- EF Core
- Installer
- Installer
- Runtime
- SDK
- SDK
- Templating
- Templating
- Winforms
- WindowsDesktop
- WPF
What's Changed
.NET and .NET Framework May 2026 servicing releases updates - .NET BlogRelease .NET 8.0.27 · dotnet/core
Release Notes Install Instructions Repos Aspnetcore EF Core Installer Installer Runtime SDK SDK Templating Templating Winforms WindowsDesktop WPF What's Changed https://devblogs.microsoft.com/dot...
Download .NET 8.0 (Linux, macOS, and Windows) | .NET
.NET 8.0 downloads for Linux, macOS, and Windows. .NET is a free, cross-platform, open-source developer platform for building many different types of applications.
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