.NET Blog
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Latest posts
.NET and .NET Framework April 2026 servicing releases updates
A recap of the latest servicing updates for .NET and .NET Framework for April 2026.
.NET 11 Preview 3 is now available!
Find out about the new features in .NET 11 Preview 3 across the .NET runtime, SDK, libraries, ASP.NET Core, .NET MAUI, C#, Entity Framework Core, container images, and more!
Your Migration’s Source of Truth: The Modernization Assessment
Introducing GitHub Copilot Modernization and diving into the assessment report as part of cloud modernization process
ASP.NET Core 2.3 end of support announcement
ASP.NET Core 2.3 will reach end of support on April 13, 2027. Learn what this means for your applications and how to upgrade to a modern supported version of .NET.
Explore union types in C# 15
C# 15 introduces union types — declare a closed set of case types with implicit conversions and exhaustive pattern matching. Try unions in preview today and see the broader exhaustiveness roadmap.
Generative AI for Beginners .NET: Version 2 on .NET 10
Announcement of Version 2 of Generative AI for Beginners .NET, a free course rebuilt for .NET 10 with Microsoft.Extensions.AI, updated RAG patterns, and new agent framework content across five structured lessons for building production-ready AI apps.
Ten Months with Copilot Coding Agent in dotnet/runtime
After ten months using GitHub Copilot Coding Agent (CCA) in dotnet/runtime, the .NET team shares data-driven lessons on cloud-AI-assisted development.
Accelerating .NET MAUI Development with AI Agents
Learn how custom-built AI agents are dramatically improving the .NET MAUI contribution workflow, reducing issue resolution time by 50-70% while increasing test coverage and code quality.
RT.Assistant: A Multi-Agent Voice Bot Using .NET and OpenAI
Guest blog post on building a real time assistant using OpenAI Realtime API using .NET, F#, Microsoft.Extensions.AI and .NET MAUI.