The C# team is considering "closed enums, closed hierarchies, case classes, and nominal union types." github.com/dotnet/csharpl…

We've added a browser to GitHub Copilot coding agent. It can now: - Run and navigate your web apps. - Post screenshots of changes it's made. github.blog/changelog/2025…

Posted another episode on YouTube: "Unlocking Modern C# Features Targeting .NET Framework". Quite a few devs limit themselves with C# 7.3 when they target full framework or .netstandard2.0. You still can leverage most of the latest C# features in this case. This video shows

Hey David Fowler, .NET, Microsoft Visual Studio, Jared Parsons, and other #dotnet community members. Could you share this tweet about how to unlock most of the C# productivity features even targeting .NET Framework or .netstandard2.0. Let's spread the word to a wider community!

From the amazing author of PolySharp. In a beer future the InernalsVisibleTo workaround won’t be needed! Nice!

Just published a new issues of .NET R&D Digest! Thanks to Unmesh Joshi, Martin Fowler, Andrew Lock "Sock", Gérald Barré, Damian Edwards, Sergiy Teplyakov 🇺🇦 🇺🇸 and other great authors for their amazing content! olegkarasik.wordpress.com/2025/07/04/net… #dotnet

Posted another episode on YouTube: "The way Dispose Pattern Should Be Implemented". It’s time to reconsider the Dispose Pattern and abandon Dispose(bool disposing) nonsense. Let’s move to a simpler approach and never mix managed and native resources. youtu.be/E6tQDczhrUM?si…

Hey #dotnet community! Please share and let's simplify the way we deal with resources in .NET! David Fowler, .NET, Jared Parsons, Miguel de Icaza ᯅ🍉 and other folks, I love to discuss this topic! You might disagree with my take! But its time to reconsider some old patterns.

An absolutely fantastic talk by Kent Beck 🌻 on software design. If you ever want to understand what coupling and cohesion is, just watch this talk. And it’s funny, and easy to watch, super enjoyable and gives one of the best definitions of coupling/cohesion I’ve ever seen! (yep,

Async/await in C# can feel tricky, but it’s simple when you step through it! In my latest video, I debug async methods line-by-line to show exactly how async/await works under the hood. Watch now at: youtu.be/oHKyzgGjKHQ?si…

Hey #dotnet folks! Please share latest deep-dive video to spread the knowledge about async internals and tips&tricks on debugging .NET code! Your support means the world! /cc: Miguel de Icaza ᯅ🍉, Jared Parsons, .NET, David Fowler, David Pine (@[email protected]) 🇺🇦 and every other member of .net community!

Hey dotnet folks. Do you know what these threads are for and how I can disable them for a simple console application? Jared Parsons, David Fowler maybe you guys could help me to find who might know about them. (or maybe you know what they're and how to disable them)

New issue of .NET R&D Digest is here! Thanks to Charles Rosenbauer, Damek, steve o'grady, Ivan Velichko, Andrew Lock "Sock", Gérald Barré, Sergiy Teplyakov 🇺🇦 🇺🇸, Kent Beck 🌻 and other great and talented authors for making amazing content! olegkarasik.wordpress.com/2025/08/04/net… #dotnet

A very nice discussion between Gergely Orosz and Laura Tacho 🌮 on measuring the impact of AI on software engineering: youtu.be/xHHlhoRC8W4?si… A few interesting takes (the video has a lot more this is just a few on top of my mind): * The impact of the AI tooling for coding on the

Hype: AI should make everyone way more productive! Reality: me using AI to figure out how to sort TODO items by Due Date in the new Outlook TODO app, because the UX is soooo bad :(