When your team can reproduce a problem in five minutes instead of five days, something profound shifts: blame evaporates, curiosity increases, and learning accelerates.
Agents in Visual Studio now go beyond a single general-purpose assistant. We’re shipping a set of curated preset agents that tap into deep IDE capabilities; debugging, profiling, testing alongside a framework for building your own custom agents tailored to how your team works. Built in agents Each preset agent is designed around a specific developer […]
The post Custom Agents in Visual Studio: Built in and Build-Your-Own agents appeared first on Visual Studio Blog.
Claude Sonnet 4.6 is available today in Microsoft Foundry, and it is designed for teams who want frontier performance across coding, agents, and professional work at scale.
The post Claude Sonnet 4.6 in Microsoft Foundry-Frontier Performance for Scale appeared first on Microsoft Azure Blog.
GitHub Copilot testing for .NET is now available in Visual Studio 18.3, offering AI-powered tools to quickly create, build, and run unit tests. With flexible prompts and full IDE integration, it supports testing from single methods to entire solutions, helping reduce repetitive tasks and speed up feedback. Try it and share your feedback to shape its future.
The post GitHub Copilot Testing for .NET Brings AI-powered Unit Tests to Visual Studio 2026 appeared first on .NET Blog.
Find out about the new features in .NET 11 Preview 1 across the .NET runtime, SDK, libraries, ASP.NET Core, Blazor, C#, .NET MAUI, and more!
The post .NET 11 Preview 1 is now available! appeared first on .NET Blog.
We recently released the GitHub Copilot Coding Agent for Azure Boards to all customers. If you’re not already familiar with it, we recommend taking a few minutes to read this blog post for an overview and details. One of the top requests from customers using the GitHub Copilot Coding Agent for Azure Boards has been […]
The post Azure Boards integration with GitHub Copilot includes custom agent support appeared first on Azure DevOps Blog.


Let's look back at the most-read .NET blog posts published in 2025, from .NET 10 to AI, performance, and developer tooling.
The post Top .NET Blog Posts of 2025 appeared first on .NET Blog.