I’ve spent a lot of time, and acquired a lot of scar tissue, in this industry, and if there is one thing I’ve learned, it’s that most people are terrified of looking different. People hug the cente…

Learn how Aspire integrations simplify modern app development by streamlining configuration, connections, local development, and deployment across databases, messaging systems, observability tools, and AI services.

Explore C# 14's new implicit span conversions that make span types more natural to use, improving extension methods and type inference. Learn about performance enhancements, compatibility considerations, and practical advice for library authors.

I've been trying to track down an odd bug in my logs related to Null device failures in directory lookups which have been causing application level exceptions. In some odd scenarios these null mappings are showing up for files. In this post I take a look at what they are and how to work around them for this very edge case scenario.

Introducing new networking features in .NET 10 including HTTP space, WebSockets, security and more!

Best practices for debugging memory dumps in Visual Studio.

With the new URL context feature, Copilot Chat can now access and use information directly from web pages you specify

.NET Conf 2025 is over, but you can catch up with all the announcements and fun with video recordings, slides, demos, and more.

A behind-the-scenes look at how Aspire launches the Azure Functions runtime locally, leveraging a clever .NET SDK feature to make it all work seamlessly.

A deep dive into how Aspire Pipelines evolved in Aspire 13, introducing step-based orchestration, concurrency, dependency modeling, and state caching to simplify cloud deployment.

A straight look at what’s behind the keys We’ve all tried unlearning a keyboard shortcut – it feels like forgetting how to breathe. Muscle memory doesn’t mess around. We wrestle with this every time someone suggest a “quick” shortcut change. It’s not just editing a keybinding but navigating a history that makes Visual Studio so […]

In this post I describe some recent changes to the NetEscapades.EnumGenerators source generator, including support for [EnumMember] and new analyzers

In Visual Studio 2026 we introduced Copilot Profiler Agent, a new AI-powered assistant that helps you analyze and optimize performance bottlenecks in your code. By combining the power of GitHub Copilot with Visual Studio’s performance profiler, you can now ask natural language questions about performance, get insights into hot paths, and quickly identify optimization opportunities. […]

Learn how to create custom MSBuild SDKs to enforce coding standards, add packages dynamically, and configure .NET projects consistently.

How Windows 365 extends Aspire to streamline multi-repo microservice development using microservice resources, emulators, automated seed data, and cloud-based end-to-end validation.

In this post we enable host tracing and use that to understand how a .NET app boots up via the dotnet muxer, hostfxr, and hostpolicy.dll

Visual Studio will adopt the Modern Support Lifecycle as a continuously updated IDE designed to deliver innovation as soon as it is ready, while maintaining the reliability and stability you count on every day with control over your build tools choices.

.NET 9 introduced Guid.CreateVersion7() / Guid.CreateVersion7(DateTimeOffset) methods to create sortable UUIDs / GUIDs based on the time of their creation. This can be particularly useful in databases where you want to maintain a chronological order of records (plus some perf benefits). Currently, there is no native way to configure Entity Framework to use these methods when generating new GUIDs for primary keys. But we can do this on our own.

We’re happy to announce that OData .NET (ODL) 9 Preview 3 has been officially released and is available on NuGet: Microsoft.OData.Core 9.0.0 Preview 3 Microsoft.OData.Edm 9.0.0 Preview 3 Microsoft.Spatial 9.0.0 Preview 3 Microsoft.OData.Client 9.0.0 Preview 3 What’s New in OData .NET (ODL) 9 Preview 3 The OData .NET (ODL) 9.0.0 Preview 3 introduces a set […]

An exploration of how .NET evolved from a distributed build system to Unified Build, dramatically reducing complexity and build times while improving flexibility and predictability for shipping .NET releases.

Boost your testing workflow with GitHub Copilot testing for .NET, available now in Visual Studio. Automatically generate, build, and run high-quality unit tests for files, projects, or entire solutions.

In the past, moving to the next major version of Visual Studio could take hours, sometimes days, to recreate your dev environment the way you like it. Visual Studio 2026 makes it easier than ever to stay current with the latest productivity features, performance improvements, and security fixes all without disrupting your flow. With the […]

Learn how Visual Studio 2026 and GitHub Copilot app modernization upgrade .NET versions and frameworks, fix build issues, and migrate apps to Azure with less manual effort

What we've added for PQC, and how we got there.

In this post I describe a solution to .NET "releasing too quickly": just pay for support of older versions, such as HeroDevs' Never Ending Support for .NET 6