Visual Studio Blog: Preparing for Your Next Certification Could Start with Your Visual Studio Subscription https://t.co/gqztVNtTVB Are you thinking about earning a Microsoft certification to help advance your career, build on your existing skills, or meet new requirements at… — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Oct 28, 2026
Visual Studio Blog: Preparing for Your Next Certification Could Start with Your Visual Studio Subscription https://t.co/gqztVNtTVB Are you thinking about earning a Microsoft certification to help advance your career, build on your existing skills, or meet new requirements at…
Visual Studio Blog: Keep your investigation between sessions https://t.co/4ZjZMH14nC A bug investigation often starts with a few notes: what you tried, which input reproduced the problem, and what you want to check next. You might not be ready to choose a filename or add those… — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Oct 26, 2026
Visual Studio Blog: Keep your investigation between sessions https://t.co/4ZjZMH14nC A bug investigation often starts with a few notes: what you tried, which input reproduced the problem, and what you want to check next. You might not be ready to choose a filename or add those…
.NET Blog: .NET October 2026 Out-of-Band Security Updates https://t.co/I6VXSeniuG Today, we are releasing out-of-band (OOB) security updates for .NET 8, .NET 9, and .NET 10, along with .NET 11 Release Candidate 3. We recommend updating as soon as possible. Security updates T… — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Oct 25, 2026
.NET Blog: .NET October 2026 Out-of-Band Security Updates https://t.co/I6VXSeniuG Today, we are releasing out-of-band (OOB) security updates for .NET 8, .NET 9, and .NET 10, along with .NET 11 Release Candidate 3. We recommend updating as soon as possible. Security updates T…
Visual Studio Blog: Are You Getting Everything You Can from Your Visual Studio Subscription? https://t.co/WACYUQ3k9E What if you could experiment with a new Azure service without requesting additional budget, prepare for your next technical certification using learning resour… — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Oct 22, 2026
Visual Studio Blog: Are You Getting Everything You Can from Your Visual Studio Subscription? https://t.co/WACYUQ3k9E What if you could experiment with a new Azure service without requesting additional budget, prepare for your next technical certification using learning resour…
Visual Studio Blog: Compare today’s code with an earlier commit https://t.co/OM9NvR7zVa You know a change was present in an earlier commit, and you want to see how the code in front of you differs now. Comparing two commits answers part of that question, but it leaves out work… — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Oct 21, 2026
Visual Studio Blog: Compare today’s code with an earlier commit https://t.co/OM9NvR7zVa You know a change was present in an earlier commit, and you want to see how the code in front of you differs now. Comparing two commits answers part of that question, but it leaves out work…
.NET Blog: Get Your .NET MAUI App Ready for Xcode 27 https://t.co/yfnIjSzA8e Your existing .NET MAUI app builds with Xcode 27, installs on an iPhone running iOS 27, shows its splash screen, and then disappears. Not exactly the grand entrance you were hoping for. That symptom … — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Oct 19, 2026
.NET Blog: Get Your .NET MAUI App Ready for Xcode 27 https://t.co/yfnIjSzA8e Your existing .NET MAUI app builds with Xcode 27, installs on an iPhone running iOS 27, shows its splash screen, and then disappears. Not exactly the grand entrance you were hoping for. That symptom …
.NET Blog: Bring Your Own Model to the GitHub Copilot SDK with C# https://t.co/5xjdkNO4GA Hi, I know, I keep coming back to the same theme on this blog: agent harnesses. In Build Your Own AI Agent Harness in C# we built one from scratch. In From dotnet run to Foundry Hosted A… — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Oct 19, 2026
.NET Blog: Bring Your Own Model to the GitHub Copilot SDK with C# https://t.co/5xjdkNO4GA Hi, I know, I keep coming back to the same theme on this blog: agent harnesses. In Build Your Own AI Agent Harness in C# we built one from scratch. In From dotnet run to Foundry Hosted A…
Visual Studio Blog: Organize and revisit tabs with the keyboard https://t.co/evPVQhsfor When you’re moving between an implementation, its tests, and a related interface, the order of your open tabs can become a useful part of the task. But arranging that order and returning to… — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Oct 19, 2026
Visual Studio Blog: Organize and revisit tabs with the keyboard https://t.co/evPVQhsfor When you’re moving between an implementation, its tests, and a related interface, the order of your open tabs can become a useful part of the task. But arranging that order and returning to…
.NET 11.0 Release Candidate 2: Ein paar neue Features und ein paar Breaking Changes kurz vor Fertigstellung https://t.co/LrRmPiPCLw @dotnet #Dotnet — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Oct 17, 2026
.NET 11.0 Release Candidate 2: Ein paar neue Features und ein paar Breaking Changes kurz vor Fertigstellung https://t.co/LrRmPiPCLw @dotnet #Dotnet
Visual Studio Blog: Today I will… Modernize a .NET application https://t.co/Bt1O3doZn6 Today I will modernize a .NET Framework application to .NET 10 using the GitHub Copilot modernization tooling built-in to Visual Studio. The tooling helps us upgrade applications r… — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Aug 21, 2026
Visual Studio Blog: Today I will… Modernize a .NET application https://t.co/Bt1O3doZn6 Today I will modernize a .NET Framework application to .NET 10 using the GitHub Copilot modernization tooling built-in to Visual Studio. The tooling helps us upgrade applications r…
Fachveröffentlichung: Grenzen setzen: Erweiterung EFCORE.CHECKCONSTRAINTS für Entity Framework Core https://t.co/hYevyBnDVz Die Erweiterung EFCore.CheckConstraints bringt in .NET mitgelieferte Validierungsannotationen als Constraints in die Datenbank. — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Aug 19, 2026
Fachveröffentlichung: Grenzen setzen: Erweiterung EFCORE.CHECKCONSTRAINTS für Entity Framework Core https://t.co/hYevyBnDVz Die Erweiterung EFCore.CheckConstraints bringt in .NET mitgelieferte Validierungsannotationen als Constraints in die Datenbank.
Fachveröffentlichung: .NET 11.0 Preview 7 bringt viele Neuigkeiten und Breaking Changes https://t.co/s435OVHKfG Die siebte Preview bringt abermals eine Spracherweiterung für C#, verbesserte Komprimierungs-APIs und neue Features für Blazor. — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Aug 14, 2026
Fachveröffentlichung: .NET 11.0 Preview 7 bringt viele Neuigkeiten und Breaking Changes https://t.co/s435OVHKfG Die siebte Preview bringt abermals eine Spracherweiterung für C#, verbesserte Komprimierungs-APIs und neue Features für Blazor.
.NET Blog: Routing and Failover for https://t.co/o19LcHXMJf https://t.co/rvi63N3zYh As AI adoption scales, cost, uptime, and latency become first-class constraints on application architecture. Routing between models or providers is a lever on all three at once. These new … — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Aug 13, 2026
.NET Blog: Routing and Failover for https://t.co/o19LcHXMJf https://t.co/rvi63N3zYh As AI adoption scales, cost, uptime, and latency become first-class constraints on application architecture. Routing between models or providers is a lever on all three at once. These new …
.NET Blog: Instructions Hygiene – What Frontier Models Still Need You to Say https://t.co/IC4xVhI6XR Instructions files have a habit of growing in only one direction. A model makes a mistake, so somebody adds a rule. A tool changes, so somebody adds a workaround. A new model … — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Aug 12, 2026
.NET Blog: Instructions Hygiene – What Frontier Models Still Need You to Say https://t.co/IC4xVhI6XR Instructions files have a habit of growing in only one direction. A model makes a mistake, so somebody adds a rule. A tool changes, so somebody adds a workaround. A new model …
.NET Blog: .NET 11 Preview 7 is now available! https://t.co/LZJIYi5fGf Today, we are excited to announce the seventh preview release of .NET 11! This release includes improvements across libraries, the .NET Runtime, SDK, C#, https://t.co/H2pTCh2keY Core, .NET MAUI, Entity Fram… — Dr. Holger Schwichtenberg (@DOTNETDOKTOR) Aug 11, 2026
.NET Blog: .NET 11 Preview 7 is now available! https://t.co/LZJIYi5fGf Today, we are excited to announce the seventh preview release of .NET 11! This release includes improvements across libraries, the .NET Runtime, SDK, C#, https://t.co/H2pTCh2keY Core, .NET MAUI, Entity Fram…