Catch up on all the .NET sessions from Microsoft Build 2026 covering .NET 11, union types in C#, AI building blocks, the agentic web, .NET MAUI, and more!
The `unsafe` keyword is being redesigned to mark caller-facing contracts rather than just syntax. Safety obligations between callers and callees become visible and reviewable. The model is motivated by the rise of AI-assisted code generation and arrives as a preview in .NET 11.
Adding caching to your application architecture can significantly improve key performance metrics, cut latency, and reduce load across downstream systems. In this walkthrough, we highlight the latest caching best practices and incorporate these design patterns into a reusable .NET application that you can reference when adding new capabilities to y...
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.
