Conversational Copilot, EF Core and .NET 9 docs
A varied .NET roundup with GitHub Copilot updates, EF Core guidance, vertical-slice and CQRS patterns, Azure Cosmos DB, and performance tips.
Editor's note
I pulled together a fairly mixed Friday lineup, with a little bit of tooling, architecture, and runtime guidance. The new conversational GitHub Copilot experience stood out for day-to-day developer workflow, and the .NET 9 API documentation piece is a timely look at how docs are evolving. There’s also solid practical material here, from EF Core features to service lifetimes and object mapping.
Conversational Copilot, EF Core and .NET 9 docs
As we wrap up the week, there's plenty of exciting .NET content to share. From community projects that caught my eye to some clever solutions for common challenges, today's newsletter is a good way to close out your work week. Let's take a look.















