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.
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.
Azure DevOps enhanced support for Microsoft.Testing.Platform, from running tests to publishing results!
Learn what features are in C# 14, which ships as part of .NET 10.
Debugging doesn’t have to be a grind. With Copilot woven into Visual Studio, you get AI-powered breakpoints, insights, exception fixes, and performance summaries all right where you work.
Discover 5 practical GitHub Copilot Chat prompts to boost .NET development productivity, from code optimization to security reviews.
Introducing Agent Quality and NLP evaluators in the Microsoft.Extensions.AI.Evaluation libraries.
Discover how to build a full-stack application with React and Aspire, integrating a React front-end with an ASP.NET Core Web API and persisting data to a database.
The MCP C# SDK has been updated to support the latest Model Context Protocol specification (2025-06-18), bringing structured tool output, elicitation support, enhanced security, and more to .NET developers building AI applications.
Announcing content safety evaluations and other imporvements in the Microsoft.Extensions.AI.Evaluation libraries.
