.NET and .NET Framework June 2026 servicing releases updates - .NET Blog
A recap of the latest servicing updates for .NET and .NET Framework for June 2026.
devblogs.microsoft.com
.NET 11 Preview 5
Today, we are excited to announce the fifth preview release of .NET 11! This release includes improvements across the .NET Runtime, SDK, libraries, ASP.NET Core, .NET MAUI, C#, Entity Framework Core, and more. Check out the linked release notes below and get started today.
Download .NET 11 Preview 5
This release contains the following improvements.
Libraries
- System.Text.Json supports JSON Lines serialization
- LINQ adds full outer joins
- Cryptography adds X25519 key agreement
- Random adds generic numeric APIs
- See all library updates
- Runtime-async suspension is faster
- JIT optimizations
- GC trimming and compaction improvements
- See all runtime updates
- File-based apps can reference other C# files
- SDK vulnerability and EOL checks are available during build
- dotnet new includes the MCP Server template
- Console apps include System.Net.Http.Json by default
- See all SDK updates
ASP.NET Core
- Blazor SSR supports client-side validation
- QuickGrid works without interactivity
- Blazor WebAssembly Gateway
- SupplyParameterFromSession for Blazor
- See all ASP.NET Core updates
- Reliability and platform-fix wave lands in .NET 11
- Animations get CancellationToken-aware overloads
- Windows Maps gains a real implementation backed by Azure Maps
- .NET for Android stabilizes API 37
- See all .NET MAUI updates
- dotnet ef supports file-based apps
- SQL Server 2022 compatibility is now the default
- EF1004 warns when async EF queries run synchronously
- Query translation produces cleaner SQL
- See all EF Core updates
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 5 is now available! - .NET Blog
Find out about the new features in .NET 11 Preview 5 across the .NET runtime, SDK, libraries, ASP.NET Core, .NET MAUI, C#, Entity Framework Core, and more!
devblogs.microsoft.com
core/release-notes/11.0/preview/preview5/11.0.0-preview.5.md at main · dotnet/core
.NET news, announcements, release notes, and more! - dotnet/core
github.com
github .NET 10.0.9 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 June 2026 servicing releases updates - .NET Blog
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.
dotnet.microsoft.com
github .NET 9.0.17
Release Notes
Install Instructions
Repos
What's Changed
.NET and .NET Framework June 2026 servicing releases updates - .NET Blog
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.
dotnet.microsoft.com
github .NET 8.0.28
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 June 2026 servicing releases updates - .NET Blog
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.
dotnet.microsoft.com
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