Microsoft
Developer Blogs
Get the latest information, insights, and news from Microsoft.
Highlights
Building Agents for Teams: Turning conversations into outcomes
The Microsoft Teams platform mission is to build the best collaborative platform in the world. We want to make it easy for developers to build agents that participate seamlessly in chats, channels, and meetings, helping teams turn ideas into action in real time. By bringing agents...
Read moreClick to read more about this postHow 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.
Read moreClick to read more about this postLatest posts
Jun 25, 2026
Post comments count1
Post likes count0
Which Azure Cosmos DB Role Does My App Need?
Sudhanshu,
Iria
In the previous post in the series, we covered the security decisions you make on day one. In this part, we will talk about how to give your app access to Cosmos DB data, using roles and a managed identity instead of keys.
The situation
You’ve built your app. It works locally. Now...
Azure Cosmos DB Blog
Jun 24, 2026
Post likes count0
Visual Studio Code 1.126
Learn what is new in Visual Studio Code 1.126
Read the full article
VS Code Blog
Jun 24, 2026
Post comments count0
Post likes count1
Azure Functions MCP Extension: What's New at Build 2026
A roundup of what shipped in the Azure Functions MCP extension since preview: resource and prompt triggers, MCP Apps, built-in MCP authentication, structured and rich content, fluent .NET configuration APIs, and what is coming next.
Azure SDK Blog
Jun 24, 2026
Post comments count2
Post likes count3
When the model has never seen your code
This is the fifth article in a series about Agent Experience (AX): the practice of making AI coding agents work correctly with your technology. The series covers what you can and can't control in the agent stack, how to measure whether your extensions are helping or hurting, and how to...
Microsoft for Developers
Jun 24, 2026
Post comments count0
Post likes count2
Cancellation of Windows Runtime activities is asynchronous
You're asking for it to cancel, but it doesn't wait for confirmation.
The Old New Thing
Jun 23, 2026
Post comments count2
Post likes count1
Streamline C++ Code Intelligence Setup in Copilot CLI
C++ developers can now bring IDE-style semantic intelligence into Copilot CLI with less setup. The C++ language server plugin supports richer code navigation, diagnostics, symbol understanding, and code changes by using the same build context your compiler does.
That build context...
C++ Team Blog
Jun 23, 2026
Post comments count0
Post likes count1
Add vs Stage and Register
As previously mentioned to 'install' a package, as people think of the term, Windows actually performs two separate operations: staging and registration.
To oversimplify:
Staging puts the package content on disk. At this point the package is present, but inert and unused.
Registering...
Inside MSIX
Jun 23, 2026
Post comments count10
Post likes count3
Microspeak elaborated: Isn't escrow just a release candidate by another name?
Yes, but the name is a psychological trick.
The Old New Thing
Jun 23, 2026
Post comments count7
Post likes count3
Going beyond text in Microsoft 365 Copilot - Introducing SharePoint Copilot Apps
Microsoft 365 Copilot is brilliant with words - but work isn't only words. Introducing SharePoint Copilot Apps: bring rich, interactive UX components straight into the Copilot canvas, built with any JavaScript stack your team already knows. Reuse your existing SPFx investments across Copilot, SharePoint, and Teams - no new platform, no infrastructure, no lock-in.
Microsoft 365 Developer Blog