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Modernize .NET applications in the GitHub Copilot app
Modernize .NET applications in the GitHub Copilot app. Follow your upgrade from assessment through execution in an interactive upgrade canvas.
Read moreClick to read more about this postAgent Harness: Scaling the claw or harness capabilities
Part 3 of Build your own claw and harness with Microsoft Agent Framework.
In Part 2 our personal finance assistant learned to work with your data safely: it reads your portfolio, asks before it trades, and remembers what matters across sessions. It's useful - but everything it knows is...
Read moreClick to read more about this postDon't rewrite your CLI for agents
There's advice making the rounds: replace your CLI args with a single --json payload so agents can use your tool more effectively. The thinking being, that agents already think in structured formats, and nested data maps cleanly to JSON. Flat args on the other hand, force awkward...
Read moreClick to read more about this postLatest posts
Jun 16, 2026
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Aspire in VS Code: the 13.4 developer loop
Aspire 13.4 brings more of the local development loop into VS Code: AppHost CodeLens actions, live resource state, dashboard shortcuts, typed resource command prompts, TypeScript AppHost support, and multi-language debugging.
Aspire Blog
Jun 16, 2026
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Third Rule of MSIX
MSIX has several core principles underlying its design and implementation. Engineers half-jokingly call these The Rules of MSIX. The Third Rule of MSIX is arguably the most important and certainly the most foundational:
Package identity is unique across space and...
Inside MSIX
Jun 16, 2026
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Why AI coding agents keep using deprecated CLIs and SDKs
You deprecated the old CLI and shipped something better. Developers are migrating, but AI coding agents aren't. They keep reaching for the deprecated tool, confidently scaffolding projects with something you sunset months ago. The agent isn't broken, your docs aren't wrong. The model is...
Microsoft for Developers
Jun 16, 2026
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Retrofitting the WM_COPYDATA message onto Windows 3.1
It was carefully designed to be trivial.
The Old New Thing
Jun 16, 2026
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Announcing General Availability of the Azure Cosmos DB Built-in Connector for Logic Apps Standard
Today, we're excited to announce the general availability of the Azure Cosmos DB built-in connector for Azure Logic Apps Standard. This connector gives you a native, high-performance way to integrate Azure Cosmos DB into your Standard logic app workflows, with better throughput, lower...
Azure Cosmos DB Blog
Jun 15, 2026
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GitHub Copilot for JetBrains is moving to Copilot CLI as the default agent harness
Copilot CLI is becoming the default agent harness in GitHub Copilot for JetBrains, and our local harness will be deprecated.
This change provides greater consistency across all GitHub Copilot surfaces and is an important step toward faster feature parity and higher-quality results in...
Microsoft for Java Developers
Jun 15, 2026
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Make Visual Studio look the way you want
Themes are personal. Some of us live in dark mode, some swear by high contrast, and some of us have very strong opinions about that one shade of blue from years ago. The new themes in Visual Studio 2026 are built on Fluent, which gives us a much more consistent and accessible foundation,...
Visual Studio Blog
Jun 15, 2026
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The time the x86 emulator team found code so bad that they fixed it during emulation
Offensive content in the eyes of a software engineer.
The Old New Thing
Jun 12, 2026
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GitHub Copilot modernization for C++ is out of preview
GitHub Copilot modernization for C++ is out of preview as of Visual Studio 2026, helping you upgrade your MSVC Build Tools with an AI-guided workflow.
C++ Team Blog