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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 11, 2026
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Understanding the rationale behind a rule when trying to circumvent it
I mean, technically I didn't do it.
The Old New Thing
Jun 10, 2026
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Agents League Hackathon 2026 - Enterprise Agents
From declarative agents for Microsoft 365 Copilot to fully autonomous multi-agent systems orchestrating complex workflows, developers now have the power to redefine how work gets done. If you're ready to push those boundaries, Agents League Hackathon 2026 is your stage.
What is...
Microsoft 365 Developer Blog
Jun 10, 2026
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Visual Studio Code 1.124
Learn what is new in Visual Studio Code 1.124
Read the full article
VS Code Blog
Jun 10, 2026
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How to measure AI agent extension effectiveness
You shipped your skill. Everything looks like it's working. But is the generated code actually better because of your extension? You can't tell without measuring, and measuring agent extension impact is harder than it looks.
Microsoft for Developers
Jun 10, 2026
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Stop skillmaxxing, save your tokens
You built a dozen skills for your technology: authentication, CRUD, error handling, deployment, testing, monitoring. Then you installed a cloud platform bundle with 15 more covering diagnostics, storage, compliance, and cost optimization. A design suite. A marketing pack. Document...
Microsoft for Developers
Jun 10, 2026
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Join us for .NET Day on Agentic Modernization Livestream
Announcing the .NET Day of Agentic Modernization Livestream
.NET Blog
Jun 10, 2026
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Spec-Driven Development: A Spec-First Approach to AI-Native Engineering
AI has made software delivery faster, but speed alone does not guarantee better outcomes. As teams adopt AI-native development, the real challenge is keeping requirements, design, implementation, and validation aligned so the final result still reflects the original intent. Spec-Driven...
Microsoft for Developers
Jun 10, 2026
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What's the opposite of ClipCursor that lets me exclude the cursor from a region?
There is no such feature, but you can just exclude it virtually.
The Old New Thing
Jun 9, 2026
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PowerToys 0.100 is here: new Shortcut Guide, Command Palette improvements and much more!
We're back with a fresh PowerToys release! This month introduces the brand-new Shortcut Guide, a major Command Palette update with the new Extension Gallery and multi-monitor Dock support, and a wave of improvements to Power Display. We've also upgraded PowerToys to .NET 10, improved...
Windows Command Line