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Python developers working with Agent Skills can now author skills as files on disk, as inline Python code, or as reusable classes - and mix them freely through composable source classes that handle discovery, filtering, and deduplication. A skill living in your local repository, one installed from your organization's …
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AI coding agents promise to make you more productive. On the surface they do, but in practice they fall short: agents generate code that doesn't compile, use a deprecated SDK, or pick the wrong service entirely. Is it you using it wrong? Is it your tech stack? Or is it the tools you haven't configured yet? The stack …
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You ask Copilot to tackle something big, it gets to work, and a dozen file changes later you realize you had a completely different approach in mind. The code isn't wrong... it just isn't what you were going for. Last year, we introdu Link to article: …
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The Model Context Protocol (MCP) has made it much easier to connect tools and resources to AI applications. But once those tools are exposed to agents, you also need a reliable way to govern what gets registered, what gets executed, and what comes back from tool calls. For a detailed loo Link to article: …
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We're in the process of significantly improving memory safety in C#. The unsafe keyword is being redesigned to inform callers that they have obligations that must be discharged to maintain safety, documented via a new safety comment style. The keyword will expand from m Link to article: …
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We're excited to announce that the PowerShell packages for macOS are now properly notarized and hardened, meeting both Apple's security requirements and Microsoft's internal compliance standards. This has been one of the most consistently requested improvements from our macOS community, and we're gla Link to article: …
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Introduction When multiple engineers on a team use AI coding tools independently — without shared context about the project's architecture or conventions — the output quality is inconsistent. One developer gets a well-structured endpoint; another gets generic boilerplate that needs to be rewritten. The AI is capable, …
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PowerShell is a critical automation and configuration platform across enterprises—and as that automation grows, how you source, validate, and distribute PowerShell packages becomes just as important as the scripts themselves. Modern security guidance increasingly treats package feeds as part of the software supply Link …
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Learn what's new in Visual Studio Code 1.121 Read the full article Link to article: https://devblogs.microsoft.com/vscode-blog/visual-studio-code-1.121
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Teams often treat developer experience as work that competes with shipping the product. That is understandable, but it is also backwards. The local loop, setup, debugging, repeatable operations, and agent workflows are part of how the product gets shipped. When those things are slow or unclear, every feature pays the …
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Prompt injection is the #1 risk on the OWASP LLM Top 10, and most agents in production today defend against it with one of two heuristics: a defensive system prompt, or a hand-rolled allowlist. Neither is deterministic. Both fail silently the day someone slips a [SYSTEM OVERRIDE] line into an issue body, Link to …
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One endpoint. Smarter spend. Model router in Foundry Models picks the optimal LLM for every prompt in real time based on signals like complexity, reasoning, and task type. Now with access to 28 frontier models, the model router makes model selection easier for developers and reduces manual overhead. This article walks …
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An MSIX package identity is composed of a five-part tuple that uniquely identifies a package. It consists of the following attributes: Name Version Architecture Link to article: https://devblogs.microsoft.com/insidemsix/package-identity
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Profile Guided Optimization (PGO) has long been one of the most powerful tools in the MSVC compiler's arsenal for improving the runtime performance of C and C++ applications. By using execution profile data collected from representative workloads, PGO enables the compiler to make smarter decisions about inlining, code …
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"A bad system will beat a good person [or agent] every time" ~Dr. William Edwards Deming (with apologies) I started vibe coding by writing prompts (often dictated into my phone), refining them with an agent in M365 Copilot, and creating handoff files to use with GitHub Copil Link to article: …
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Native C++ projects in Visual Studio now support , the modern, MSBuild-native way to declare NuGet package dependencies directly in your project file. This support is available experimentally for .vcxproj projects in the Visual Studio Insiders Channel starting with version 18.7. This feature Link to article: …
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If you've run NuGet Audit or a vulnerability scanner on a .NET project, you've likely seen warnings for transitive packages you never explicitly installed. In many cases, those packages — such as System.Text.Json or System.Text.Encodings.Web — are already provided at a newer version by the .NET Runtime Libraries, Link …
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Last October, we released Advanced Shader Delivery (ASD) on the ROG Xbox Ally handhelds. Advanced Shader Delivery addresses one of the most frustrating challenges for PC players today – long load times and disruptive stuttering during a game’s first Link to article: …
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A customer reported that whenever their program called CreateFileMapping to create a named file mapping, the call succeeded, but the resulting mapping was not the size they wanted. They requested a 1 megabyte mapping, but the mapping they got back was only 4KB, which they noticed because the program crashed once it …
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