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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: the assessment document. Here's what makes this tool interest Link to article: …
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AI agents are really good at writing code. Embarrassingly, scarily, and increasingly good. But generating code and shipping working full-stack apps are very different things. Right now, most agents are fantastic at the first part and terrible at everything after it. To try and keep agents on track, we layer on Markdown …
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Today we are announcing that ASP.NET Core 2.3 will reach end of support on April 7, 2027. After that date, Microsoft will no longer provide security patches, bug fixes, or technical support for ASP.NET Core 2.3. This announcement provides the required 12 months of advance notice, as defined by the Link to article: …
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Azure Cosmos DB enables scalable AI-driven document processing, addressing one of the biggest barriers to operational scale in today’s enterprise AI landscape. Organizations continue to manage massive volumes of structured and unstructured content—contracts Link to article: …
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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, the debugger, or your code files onto a second (or third) screen can be a huge productivity boost. But there’s always been a bit of friction with …
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In a comment to my discussion of the Windows 95 patch system, commenter word merchant wondered whether there were any Windows 3.1 programs or drivers that were so incompatible with Windows 95 that there was no point trying to patc Link to article: https://devblogs.microsoft.com/oldnewthing/20260407-00/?p=112213
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We've shipped a big round of updates to Agent Academy. Two new sections, a completely redone site experience, and more missions on the way. Here's what's changed. Quick recap for anyone new Agent Academy is a free, open-source curriculum for learning how to build agents with Microsoft Copilot Studio. Since launching in …
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After July 9, 2026, the Azure SDK for JavaScript will no longer support Node.js 20.x, which reaches end-of-life on April 30, 2026. We encourage you to upgrade to an Active Node.js Long Ter Link to article: …
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Azure Functions makes hosting MCP apps simple: build locally, create a secure endpoint, and deploy fast with Azure Developer CLI (azd). This guide shows you how using a weather app example. What are MCP Apps? MCP Apps let MCP servers return interac Link to article: …
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A customer reported a problem with a system header file. When they included ole2.h, the compiler reported an error in oaidl.h: MIDL_INTERFACE("3127CA40-446E-11CE-8135-00AA004BB851") IErrorLog : public IUnknown { public: virtual HRESULT STDM Link to article: …
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Today, we're thrilled to announce that Microsoft Agent Framework has reached version 1.0 for both .NET and Python. This is the production-ready release: stable APIs, and a commitment to long-term support. W Link to article: https://devblogs.microsoft.com/agent-framework/microsoft-agent-framework-version-1-0
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A customer was using ReadDirectoryChangesW in the hopes of receiving a notification when a file was copied. They found that when a file was copied, they received a FILE_NOTIFY_CHANGE_LAST_ACCESS, but Link to article: https://devblogs.microsoft.com/oldnewthing/20260403-00/?p=112202
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React Native Windows v0.82 is here, marking a major milestone: the legacy Paper architecture has been fully removed. All applications now run exclusively on the New Architecture (Fabric), and this release also unlocks XAML controls for community modules — so Windows apps can seamlessly mix native XAML controls with …
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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 types with compiler-enforced exhaustive pattern matching. If you've used discriminated unions in F# or simil …
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You're three files deep in your Aspire AppHost, and you need to remember exactly which parameters the Redis integration expects. You could alt-tab to your browser, hunt through aspire.dev, squint at the API docs, then come back. Or you could just run a command. Or—better yet—let your AI agent look it up Link to …
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Why doesn't the system let you declare your own messages to have the same semantics as
WM_?COPYDATA
In a comment on my discussion on how to return results back from the WM_COPYDATA message, Jan Ringoš observed that it felt wasteful th Link to article: https://devblogs.microsoft.com/oldnewthing/20260402-00/?p=112196
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We're excited to announce that the March 2026 release of the Python extension for Visual Studio Code are now available! This release includes the following announcements: Search Python Symbols in Installed Packages Experimental: Rust- Link to article: …
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We recently released PowerShell 7.6, and we want to take a moment to share context on the delayed timing of this release, what we learned, and what we're already changing as a result. PowerShell releases typically align closely with the .NET release schedule. Our goal is to provide predictable and ti Link to article: …
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We’re excited to announce the General Availability of Social Identity Provider (IdP) support for Native Authentication in Microsoft Entra External ID. This release enables developers to integrate popular social sign‑in options such as Google, Facebook, and Apple — into native and single‑page applications that use …
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