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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
Feb 13, 2026
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Go 1.26.0-1 Microsoft build now available
A new release of the Microsoft build of Go is now available for download.
Microsoft for Go Developers
Feb 13, 2026
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How can I distinguish between the numeric keypad 0 and the top-row 0 in the WM_CHAR message?
See if it matches the scan code.
The Old New Thing
Feb 12, 2026
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Microsoft at DevNexus 2026: Practical AI for Real-World Java Development
Java developers face a tough trifecta: keeping mission-critical systems running, modernizing legacy apps, and weaving AI into real engineering workflows, all without increasing risk. At DevNexus 2026, the Microsoft Java team is tackling these challenges head-on.
This...
Microsoft for Java Developers
Feb 12, 2026
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Handling Legacy User Settings in SharePoint Framework
Introduction
The SharePoint Framework (SPFx) has undergone some important changes in how it handles Entra ID app registration and security models. Here you can find additional details about what was updated and about the new application IDs used by SPFx. These changes have important...
Microsoft 365 Developer Blog
Feb 12, 2026
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Build Intelligent Apps with SQL: Join the SQL + AI Datathon
The SQL + AI Datathon is a hands‑on challenge designed to show how the foundations for building modern, intelligent applications with SQL. Over a set of guided missions and a focused open hack, you’ll learn how to combine SQL with embeddings, semantic search, and Retrieval...
Azure SQL Dev Corner
Feb 12, 2026
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How can I distinguish between the numeric keypad 0 and the top-row 0 in the WM_KEYDOWN message?
Check whether it is an extended key.
The Old New Thing
Feb 11, 2026
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How we built the Microsoft Learn MCP Server
Tianqi,
Eric,
Pieter
When we launched the Microsoft Learn Model Context Protocol (MCP) Server in June 2025, our goal was simple: make it effortless for AI agents to use trusted, up-to-date Microsoft Learn documentation. GitHub Copilot and other agents are increasingly common, and they need to be able to...
Engineering@Microsoft
Feb 11, 2026
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Announcing TypeScript 6.0 Beta
Today we are announcing the beta release of TypeScript 6.0!
To get started using the beta, you can get it through npm with the following command:
npm install -D typescript@beta
TypeScript 6.0 is a unique release in that we intend for it to be the last release based on the current...
TypeScript
Feb 11, 2026
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GitHub Copilot Testing for .NET Brings AI-powered Unit Tests to Visual Studio 2026
GitHub Copilot testing for .NET is now available in Visual Studio 18.3, offering AI-powered tools to quickly create, build, and run unit tests. With flexible prompts and full IDE integration, it supports testing from single methods to entire solutions, helping reduce repetitive tasks and speed up feedback. Try it and share your feedback to shape its future.
.NET Blog