.NET Blog

How Uno Platform built two Model Context Protocol servers in C# so AI agents can ground themselves in real documentation and then see and drive a running cross-platform .NET app. The post How Uno Platform uses .NET, MCP, and AI to build high quality apps appeared first on .NET Blog.

.NET Conf returns November 10-12, 2026, with three days of sessions, community, and the launch of .NET 11. The post .NET Conf 2026 – Save the Date appeared first on .NET Blog.

You built an agent with Microsoft Agent Framework and it works great on your machine. Now what? Turns out deploying it to production takes 1 NuGet package, 3 lines of C#, and 2 commands. Let’s do it. The post From dotnet run to Foundry Hosted Agent in 3 lines of C# appeared first on .NET Blog.

C# 15 ships with .NET 11. It adds union types, closed hierarchies, a preview of the updated unsafe model, and a few smaller changes that remove everyday ceremony. The post Explore new features available in C# 15 preview appeared first on .NET Blog.

Route requests across models and providers natively in Microsoft.Extensions.AI with RoutingChatClient, SemanticRoutingChatClient, and FailoverChatClient — new experimental primitives for content-based routing, failover, and custom routing policies. The post Routing and Failover for Microsoft.Extensions.AI appeared first on .NET Blog.

Get the most out of the latest models by providing the right level of instructions The post Instructions Hygiene – What Frontier Models Still Need You to Say appeared first on .NET Blog.

Find out about the new features in .NET 11 Preview 7 across libraries, runtime, SDK, C#, ASP.NET Core, .NET MAUI, Entity Framework Core, F#, and Windows Forms. The post .NET 11 Preview 7 is now available! appeared first on .NET Blog.

A recap of the latest servicing updates for .NET and .NET Framework for August 2026. The post .NET and .NET Framework August 2026 servicing releases updates appeared first on .NET Blog.

Microsoft.Testing.Platform brings failures into GitHub Actions and Azure DevOps, uses pipeline history to separate regressions from flakes, and preserves usable reports when a test host crashes. The post Test reporting in Microsoft.Testing.Platform: from red build to root cause appeared first on .NET Blog.

Build a live speech-to-text app in C# with Foundry Local, a compact Nemotron model, and local model lifecycle management. The post Beyond Chat: live Speech-to-Text with Foundry Local and C# appeared first on .NET Blog.