GitHub Copilot, Testing, and .NET 9 Highlights
A varied midweek roundup with Copilot in Visual Studio, .NET 9 and C# 13 notes, plus testing, performance, and design-pattern articles.
Editor's note
I pulled together a pretty broad mix this time, from Copilot updates in Visual Studio to practical testing writeups like Testcontainers and xUnit. The .NET 9 and C# 13 pieces are especially useful if you want a quick feel for where the platform is heading, while the architecture and performance posts keep it grounded in everyday work.
GitHub Copilot, Testing, and .NET 9 Highlights
Midweek greetings, .NET developers! The community has been particularly active lately, and today's digest reflects that energy. From innovative testing approaches to deployment strategies, we've collected insights that could make your development workflow smoother. Let's dive into what caught our attention.


















