Microsoft
Developer Blogs
Get the latest information, insights, and news from Microsoft.
Highlights
Agentic-Agile: Why Agent Development Needs Agile (Not Just Prompts)
"A bad system will beat a good person [or agent] every time" ~Dr. William Edwards Deming (with apologies)
I started vibe coding by writing prompts (often dictated into my phone), refining them with an agent in M365 Copilot, and creating handoff files to use with GitHub Copilot CLI. The...
Read moreClick to read more about this postStop prompt injection from hijacking your agent, new security capabilities now released within Agent Framework
Prompt injection is the #1 risk on the OWASP LLM Top 10, and most agents in production today defend against it with one of two heuristics: a defensive system prompt, or a hand-rolled allowlist. Neither is deterministic. Both fail silently the day someone slips a [SYSTEM OVERRIDE] line...
Read moreClick to read more about this postAnnouncing Agent Governance Toolkit MCP Extensions for .NET
Announcing a Public Preview .NET package that adds policy enforcement, startup tool scanning, fallback governance, and response sanitization to MCP servers with a single builder extension.
Read moreClick to read more about this postLatest posts
May 8, 2026
Post comments count0
Post likes count0
Go 1.26.3-1 and 1.25.10-1 Microsoft builds now available
A new release of the Microsoft build of Go including security fixes is now available for download.
Microsoft for Go Developers
May 8, 2026
Post comments count8
Post likes count4
Developing more confidence when tracking renames via ReadDirectoryChangesW
You can track the file ID.
The Old New Thing
May 7, 2026
Post comments count1
Post likes count0
A Tour of Handoff Orchestration Pattern
A Tour of the Handoff Orchestration Pattern
Most multi-agent systems start out simple: a router agent receives a user request, picks the right specialist, and forwards the conversation. As long as each specialist can complete its task in one pass, that model works fine.
The first...
Microsoft Agent Framework
May 7, 2026
Post comments count0
Post likes count0
Project-Specific Build Optimizations with GitHub Copilot
We are excited to announce that GitHub Copilot build performance for Windows now supports project-specific builds! Available in the latest Visual Studio Insiders, you can target a single MSBuild project or CMake target instead of analyzing your entire solution. For game developers and...
C++ Team Blog
May 7, 2026
Post comments count0
Post likes count0
What's New in vcpkg (Apr 2026)
These updates include improved locking for parallel builds, cross-platform PE dependency analysis, manifest support for the depend-info command, and other improvements and bug fixes.
C++ Team Blog
May 7, 2026
Post comments count0
Post likes count1
Announcing general availability of the mailbox import and export Microsoft Graph APIs
The mailbox import and export APIs on Microsoft Graph are now generally available.
Microsoft 365 Developer Blog
May 7, 2026
Post comments count0
Post likes count3
Least privilege AI agents: A new azd template from Curity and Microsoft
If you ever built an AI agent demo, you probably had this moment. Everything works: the agent interprets natural language, calls the right tools, and returns the right data. Then you start designing for the real users of the app. You think about data boundaries: what if someone tries to...
Azure SDK Blog
May 7, 2026
Post comments count0
Post likes count2
What's New in Aspire 13.3
Aspire 13.3 is here with the Aspireify skill, command results, browser logs, Kubernetes and AKS deployment, and more.
Aspire Blog
May 7, 2026
Post comments count1
Post likes count3
Copilot Studio gets faster with .NET 10 on WebAssembly
Microsoft Copilot Studio recently upgraded its .NET WebAssembly engine to .NET 10. The migration was straightforward, simplified deployment, and delivered another round of meaningful performance gains for end users.
.NET Blog