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Site URL: devblogs.microsoft.com/landing

Feed URL: devblogs.microsoft.com/landing

Posts: 29

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Creating a fake agile wrapper that is technically agile but is not useful outside its home apartment, part 1

https://devblogs.microsoft.com/oldnewthing/20260803-00/?p=112582

Published: August 3, 2026 14:00

Last time, we considered what it means when the context callback fails, which prevents us from releasing the object in its original context. We noted that the problem is that whe

From generated code to trusted code with a unit-test agent

https://devblogs.microsoft.com/dotnet/polyglot-unit-testing-agent

Published: July 31, 2026 15:00

A common request to a coding agent is only one line: Generate unit tests. That request leaves important questions open. Which code needs tests? Which test framework does the project use? Where should the tests go? How does the build find them? What should…

A deep dive into Power Pages Enhanced Authorization

https://devblogs.microsoft.com/powerplatform/power-pages-enhanced-authorization

Published: July 31, 2026 05:41

Dataverse Native Authorization Model for Power Pages How mapped identities, security roles, and record filters move external-user authorization closer to the data. We’re introducing a major update to the Power Pages security model: authorization for…

Introducing WPA MCP: Early Preview of AI-assisted trace analysis in Windows Performance Analyzer

https://devblogs.microsoft.com/performance-diagnostics/introducing-wpa-mcp-early-preview-of-ai-assisted-trace-analysis-in-windows-performance-analyzer

Published: July 30, 2026 23:43

Windows Performance Analyzer (WPA) is one of the most powerful tools available for understanding system performance on Windows. It helps engineers investigate Event Tracing for Windows (ETW) traces across CPU, memory, disk, networking, scheduling, input,…

Azure SDK Release (July 2026)

https://devblogs.microsoft.com/azure-sdk/azure-sdk-release-july-2026

Published: July 29, 2026 17:18

Thank you for your interest in the new Azure SDKs! We release new features, improvements, and bug fixes every month. Subscribe to our Azure SDK Blog RSS Feed to get notified when a new release is available. You can find links to packages, code, and docs on…

Tell your model when to think harder

https://devblogs.microsoft.com/visualstudio/tell-your-model-when-to-think-harder

Published: July 29, 2026 15:02

Not every question deserves the same amount of thought. Renaming a variable isn't the same as debugging a memory leak, and they don't need the same level of thinking. So why should your model treat them the same way every time? Starting in Visual Studio…

Making an agile version of a Windows Runtime delegate in C++/WinRT, part 8

https://devblogs.microsoft.com/oldnewthing/20260729-00/?p=112570

Published: July 29, 2026 14:00

Last time, we fixed the problem of an exception thrown from the custom deleter's constructor resulting in a reference leak. But wait, there's another source of exceptions.

Package Integrity and Enforcement

https://devblogs.microsoft.com/insidemsix/msix-chain-of-trust

Published: July 28, 2026 16:00

A recent conversation started (as many interesting conversations do) with a simple question: "Why is MSIX secure?" MSIX includes multiple layers of protection designed to defend against both accidental damage and malicious tampering. But as with all good…

Making an agile version of a Windows Runtime delegate in C++/WinRT, part 7

https://devblogs.microsoft.com/oldnewthing/20260728-00/?p=112568

Published: July 28, 2026 14:00

Last time, we fixed the problem of creating a unique_ptr whose deleter's constructor was might throw an exception. But we're not out of the woods yet. Let's t

Analyze MSBuild Binary Logs with Copilot in VS Code

https://devblogs.microsoft.com/dotnet/msbuild-binlog-analyzer-vscode

Published: July 27, 2026 17:00

You know the moment. CI goes red, or a build that took 8 seconds yesterday now takes 40, and you're staring at a wall of MSBuild output trying to find the one line that matters. The answer is almost always sitting in the bi

Making an agile version of a Windows Runtime delegate in C++/WinRT, part 6

https://devblogs.microsoft.com/oldnewthing/20260727-00/?p=112566

Published: July 27, 2026 14:00

It looked like we were done when we fixed the problem of releasing a non-marshalable delegate on the correct thread. But we missed something. Again.