After ten months using GitHub Copilot Coding Agent (CCA) in dotnet/runtime, the .NET team shares data-driven lessons on cloud-AI-assisted development.

Take a tour through hundreds of performance improvements in .NET 10.

Take an in-depth tour through hundreds of performance improvements in .NET 9.

.NET 7 was super fast, .NET 8 is faster. Take an in-depth tour through over 500 pull requests that make that a reality.

Build a chat-based console app with Retrieval Augmented Generation (RAG) from scratch.

Async/await was added to the C# language over a decade ago and has transformed how we write scalable code for .NET. But how does it really work? In this post, we take a deep dive into its internals.

.NET 7 is fast. Really fast. In this post, we'll deep-dive into literally hundreds of performance improvements that contributed to that reality.

System.Text.RegularExpressions has improved significantly in .NET 7. In this post, we'll deep-dive into many of its exciting improvements.

.NET 6 is chock-full of exciting performance improvements.

Text processing is at the heart of huge numbers of apps and services, and in .NET, that means lots and lots of . creation is so fundamental that a myriad of ways of creating them have existed since .NET Framework 1.0 was released, and more have joined the fray since. Whether via 's constructors, or , or overrides, or helper methods on like or ...