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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
Jul 17, 2026
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Faster C++ iterative builds with GitHub Copilot
Slow builds are a consistent theme of feedback from C++ developers. We built GitHub Copilot build performance for Windows so you can leverage Copilot to optimize your project’s build times. This workflow will find optimizations that bring your build times down.
At first, we only...
C++ Team Blog
Jul 17, 2026
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Why has the display control panel pointer truncation bug gone unfixed for so long?
It's fixed, but the fix isn't getting there.
The Old New Thing
Jul 17, 2026
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How to test agent skills without hitting real APIs
Your agent skill calls an API. The moment you start evaluating it, every run either costs money or mutates production data. Learn how to mock APIs transparently so you can run evals without changing your skill or hitting real endpoints.
Microsoft for Developers
Jul 17, 2026
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Teaching a Vision Model to See Like a Human Annotator—and Catching It When It Lies
Deeptanil,
Kartheek
A multimodal LLM enrichment pipeline that extracts structured metadata from visual assets, constrains output to predefined values to minimize hallucinations, and uses a ground truth evaluation template to measure quality—all as a plug-and-play module.
ISE Developer Blog
Jul 16, 2026
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Pure Virtual C++ 2026 [Meet the Speakers, Part 3]: Modernizing C++
Meet the speakers behind Pure Virtual C++ 2026. In the final part, Victor Ciura maps the real challenges and promising directions for C++/Rust interop.
C++ Team Blog
Jul 16, 2026
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Build Once, Run Everywhere: Unified Manifest for Office Add-Ins now Generally Available
Unified manifest support for Word, Excel, PowerPoint, and Outlook makes it possible for developers to build a single app that works across Microsoft 365 apps, creating a more consistent experience for users and a simpler deployment model for IT admins.
Microsoft 365 Developer Blog
Jul 16, 2026
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T-SQL Hygiene: What's the Big Deal with SET NOCOUNT ON?
Learn why SET NOCOUNT ON improves stored procedure efficiency, reduces unnecessary messages, and matters to .NET developers.
Azure SQL Dev Corner
Jul 16, 2026
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Announcing .NET Modernization for Beginners
A free, open-source, hands-on course that walks you through modernizing a real legacy ASP.NET application all the way to .NET 10 using the GitHub Copilot modernization agent, step by step.
.NET Blog
Jul 16, 2026
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How to build long-running MCP tools on Azure Functions
Learn how to build long-running MCP tools on Azure Functions using Durable Functions. This post explains why synchronous tool calls break down for long-running work, introduces the MCP Tasks extension, and walks through a sample pattern that works with existing request/response clients today.
Azure SDK Blog