.NET Blog: Your Migration’s Source of Truth: The Modernization Assessment https://t.co/BF66S4C6ah I’ve been exploring GitHub Copilot’s modernization capabilities for .NET and Java applications, and I wanted to share what I’ve learned about the most critical piece of the puzzle…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Apr 7, 2026

X.com, 07.04.2026

.NET Blog: https://t.co/H2pTCh2keY Core 2.3 end of support announcement https://t.co/5zevMmIP81 Today we are announcing that https://t.co/H2pTCh2keY Core 2.3 will reach end of support on April 7, 2027. After that date, Microsoft will no longer provide security patches, bug fix…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Apr 7, 2026

X.com, 07.04.2026

Visual Studio Blog: Take full control of your floating windows in Visual Studio https://t.co/EP8mglDFq8 If you work with multiple monitors like I do, you’ve probably grown to love floating tool windows and documents in Visual Studio. Being able to pull out Solution Explorer, t…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Apr 7, 2026

X.com, 07.04.2026

.NET Blog: Explore union types in C# 15 https://t.co/roWuxtFcDJ Union types have been frequently requested for C#, and they’re here. Starting with .NET 11 Preview 2, C# 15 introduces the union keyword. The union keyword declares that a value is exactly one of a fixed set of ty…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Apr 2, 2026

X.com, 02.04.2026

Windows Blog: Part 3 – Babylon.js 9.0: OpenPBR and additional engine updates https://t.co/a7BnFWX0SU Babylon.js 9.0 introduces several enhancements to help developers build beautiful, high-performance 3D experiences. OpenPBR Support - Alpha Babylon.js 9.0 begins implementatio…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Apr 2, 2026

X.com, 02.04.2026

Visual Studio Blog: Bookmark Studio: evolving bookmarks in Visual Studio https://t.co/RVeCrIk9tN Bookmarks in Visual Studio have always been a simple, reliable feature. Many developers use them regularly, and over the years we’ve heard consistent feedback from those users. Boo…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Apr 1, 2026

X.com, 01.04.2026

Visual Studio Blog: Visual Studio March Update – Build Your Own Custom Agents https://t.co/2enW5vfY9i This month’s Visual Studio update gives you new ways to customize GitHub Copilot. Custom agents allow you to build specialized Copilot agents tailored to your team’s workflow,…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 31, 2026

X.com, 31.03.2026

Windows Blog: Part 2 – Babylon.js 9.0: Tooling updates and new geospatial features https://t.co/6DWlmshFE4 Our mission is to create one of the most powerful, beautiful and accessible web rendering engines in the world. With Babylon.js 9.0, we’re delivering a major set of enhanc…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 30, 2026

X.com, 30.03.2026

Windows Blog: Announcing Babylon.js 9.0 https://t.co/As6iRvdOdD Our mission is to build one of the most powerful, beautiful, simple and open web rendering engines in the world. Today, we are thrilled to announce that mission takes a monumental leap forward with the release of B…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 26, 2026

X.com, 26.03.2026

Fachveröffentlichung: Neuerungen in System.Text.Json 10.0: Mit mehr Strenge https://t.co/jjtKZL3bVM Auch in Version 10.0 spendiert Microsoft seiner JSON-Bibliothek wieder einige Neuerungen, darunter Einstellungen für mehr Strenge beim (De-)Serialisieren.

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 26, 2026

X.com, 26.03.2026

Visual Studio Blog: Unlock More Power in Your Development Workflow: Syncfusion for Visual Studio Subscribers  https://t.co/G0ycoXXLjy A few months ago, I was talking with a developer who said something that stuck with me:  “I love building apps. I just don’t love rebuilding t…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 24, 2026

X.com, 24.03.2026

.NET Blog: Generative AI for Beginners .NET: Version 2 on .NET 10 https://t.co/7SWjGN8y3t Today we’re releasing Version 2 of Generative AI for Beginners .NET, our free, open-source course for building AI-powered .NET applications. If you want to understand and build generati…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 23, 2026

X.com, 23.03.2026

.NET Blog: Ten Months with Copilot Coding Agent in dotnet/runtime https://t.co/x2mHvitGBm When GitHub’s Copilot Coding Agent (CCA) first became available in May 2025, the promise of cloud-based AI coding agents was generating enormous excitement, and equal skepticism. So we be…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 23, 2026

X.com, 23.03.2026

.NET Blog: Accelerating .NET MAUI Development with AI Agents https://t.co/QBbPqPHMcb This is a guest blog from Syncfusion. Learn more about the free, open-source Syncfusion Toolkit for .NET MAUI. As a proud partner with the .NET MAUI team, Syncfusion is excited to share how c…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 19, 2026

X.com, 19.03.2026

.NET Blog: Pin Clustering in .NET MAUI Maps https://t.co/8YQDVwfh2d If you’ve ever loaded a map with dozens — or hundreds — of pins, you know the result: an overlapping mess that’s impossible to interact with. Starting in .NET MAUI 11 Preview 2, the Map control supports pin cl…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 18, 2026

X.com, 18.03.2026

.NET Blog: RT.Assistant: A Multi-Agent Voice Bot Using .NET and OpenAI https://t.co/s3MrXo5fiq This is a guest post by Faisal Waris, an AI strategist in the telecom industry. Faisal built RT.Assistant to explore how .NET, F#, and the OpenAI Realtime API can come together in a…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 17, 2026

X.com, 17.03.2026

Visual Studio Blog: Get the Inside Scoop on Visual Studio Subscriptions, Straight to Your Inbox https://t.co/E2L499Qe6Q Get the Inside Scoop on Visual Studio Subscriptions, Straight to Your Inbox  A few weeks ago I was talking with a Visual Studio Enterprise subscriber. Seas…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 16, 2026

X.com, 16.03.2026

.NET Blog: .NET 10.0.5 Out-of-Band Release – macOS Debugger Fix https://t.co/USmoCg7zWa We are releasing .NET 10.0.5 as an out-of-band (OOB) update to address a regression introduced in .NET 10.0.4. What’s the issue? .NET 10.0.4 introduced a regression that causes the debugg…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 12, 2026

X.com, 12.03.2026

.NET Blog: Modernize .NET Anywhere with GitHub Copilot https://t.co/cwbLvqps4B Modernizing a .NET application is rarely a single step. It requires understanding the current state of the codebase, evaluating dependencies, identifying potential breaking changes, and sequencing u…

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 12, 2026

X.com, 12.03.2026

Fachveröffentlichung: .NET 11.0 Preview 2 liefert asynchrone Runtime https://t.co/YzjApzJjUd Asynchrone Programmierung mit async und await gibt es seit Jahren in .NET. Nun liefert Microsoft eine neue Laufzeitumgebung für die asynchrone Ausführung.

— Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Mar 12, 2026

X.com, 12.03.2026