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Mar 5, 2026
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Release v1.0 of the official MCP C# SDK

Mike Kistler

Discover what’s new in the v1.0 release of the official MCP C# SDK, including enhanced authorization, richer metadata, and powerful patterns for tool calling and long-running requests.

Feb 26, 2026
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Vector Data in .NET – Building Blocks for AI Part 2

Jeremy Likness

Discover how Microsoft.Extensions.VectorData brings unified vector database access to .NET - one interface for semantic search across any vector store with built-in support for embeddings, filtering, and RAG patterns.

Feb 24, 2026
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The Dongle Died at Midnight – WinForms Agent Saved my German Mom’s Business Trip

Klaus Loeffelmann

Vibe Coding. IntelliSense on Steroids. Intention-Based Development. Call it what makes you happy - it's "just" the next evolutionary step in software development for me. Which let me build my stranded 82-year-old retirement-resistant mom an ersatz time-study app when her dongle died at midnight.

Feb 11, 2026
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GitHub Copilot Testing for .NET Brings AI-powered Unit Tests to Visual Studio 2026

McKenna Barlow

GitHub Copilot testing for .NET is now available in Visual Studio 18.3, offering AI-powered tools to quickly create, build, and run unit tests. With flexible prompts and full IDE integration, it supports testing from single methods to entire solutions, helping reduce repetitive tasks and speed up feedback. Try it and share your feedback to shape its future.

Feb 10, 2026
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.NET 11 Preview 1 is now available!

.NET Team

Find out about the new features in .NET 11 Preview 1 across the .NET runtime, SDK, libraries, ASP.NET Core, Blazor, C#, .NET MAUI, and more!

Feb 10, 2026
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.NET and .NET Framework February 2026 servicing releases updates

Rahul,
Tara

A recap of the latest servicing updates for .NET and .NET Framework for February 2026.

Feb 5, 2026
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.NET Framework 3.5 Moves to Standalone Deployment in new versions of Windows

Tara,
Brett

An announcement of .NET Framework 3.5 servicing updates on new versions of Windows.

Jan 28, 2026
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.NET AI Essentials – The Core Building Blocks Explained

Jeremy Likness

Learn how Microsoft.Extensions.AI provides a unified API for building intelligent .NET applications with any LLM provider - one interface, endless possibilities, with built-in middleware, telemetry, structured outputs and more.

Jan 26, 2026
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Join Microsoft at NDC London 2026 – Let’s Build the Future of .NET Together

.NET Team

Meet the .NET team at NDC London 2026 to explore the latest in .NET 10, Azure, and AI-powered development through sessions and 1:1 meetups.

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