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
Jul 27, 2026
Post comments count0
Post likes count0
Query Performance Tuning in Azure DocumentDB: A Practical Guide
Patty,
Marcelo
Writing a query that works is easy. Writing a query that scales is a different story.
As collections grow to millions of documents, queries that returned results in milliseconds during development start taking seconds or timing out entirely. The root cause is almost always the same:...
Azure DocumentDB Blog
Jul 27, 2026
Post comments count0
Post likes count1
Analyze MSBuild Binary Logs with Copilot in VS Code
Yuliia,
Jan
Meet the MSBuild Binlog Analyzer for VS Code - a Copilot-powered way to read MSBuild binary logs, explain and fix build failures with one click, compare builds, and catch regressions, backed by the Microsoft.AITools.BinlogMcp MCP server.
.NET Blog
Jul 27, 2026
Post comments count1
Post likes count1
A new way to bring native Windows APIs to JavaScript - introducing dynamic API projections for Node.js
Electron and Node.js make it straightforward to build Windows desktop apps in JavaScript. Calling Windows Runtime APIs has been less straightforward: features such as on-device AI often required a C++ or C# bridge, manual translation of WinRT types and asynchronous behavior, and...
#ifdef Windows
Jul 27, 2026
Post comments count2
Post likes count1
Making an agile version of a Windows Runtime delegate in C++/WinRT, part 6
Exception-safety, the invisible bug.
The Old New Thing
Jul 24, 2026
Post comments count0
Post likes count0
Java OpenJDK July 2026 Patch & Security Update
Hello Java customers!
We are happy to announce the latest July 2026 patch & security update release for the Microsoft Build of OpenJDK. Check our release notes page for details on fixes and enhancements or download and install the binaries today. The source code of our builds...
Microsoft for Java Developers
Jul 24, 2026
Post comments count1
Post likes count2
Making an agile version of a Windows Runtime delegate in C++/WinRT, part 5
Making sure to use the non-agile delegate non-agile-ly.
The Old New Thing
Jul 24, 2026
Post comments count2
Post likes count2
Native Agent Memory for Microsoft Agent Framework, Powered by Azure Cosmos DB
Recently we introduced the Agent Memory Toolkit and the Agentic Retrieval Toolkit for Azure Cosmos DB. The Agent Memory Toolkit gives your agents durable, Cosmos-backed memory: it stores raw conversation turns and then distills them into higher-value derived memories (thread summaries,...
Azure Cosmos DB Blog
Jul 23, 2026
Post comments count0
Post likes count0
The Microsoft 365 Copilot Agent’s Playbook: A Practical Livestream Series for Building Better Agents
Building on Microsoft 365 Copilot? Here's your playbook.
Declarative agents are quickly becoming one of the most exciting ways to extend Microsoft 365 Copilot and bring organizational knowledge, workflows, and tools directly into the flow of work. But as agent capabilities...
Microsoft for Developers
Jul 23, 2026
Post comments count0
Post likes count3
Move Agent Orchestration/Workflows out of Code with Agent Framework Declarative Workflows 1.0
Most multi-agent apps wire every flow in application code: the sequence of steps, branching, and handoffs between agents all live inside the program, making the orchestration harder to review, version, and change.
Declarative workflows make that orchestration explicit. In YAML,...
Microsoft Agent Framework