Microsoft
Developer Blogs

Get the latest information, insights, and news from Microsoft.

Highlights

Abstract digital background with flowing green luminous waves and scattered light particles against a dark backdrop, evoking data streams and technology connectivity. Text:

Stop 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 post

Announcing 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 post

Latest posts

May 18, 2026
Post comments count3
Post likes count2

NuGet Package Pruning: Cleaner Dependencies and Actionable Vulnerability Reports

Nikolche Kolev
Package pruning in .NET 10 removes platform-provided packages from your dependency graph. With transitive auditing enabled by default, projects with these defaults have 70% fewer transitive vulnerability reports compared to projects using the previous defaults.
.NET Blog
May 18, 2026
Post comments count5
Post likes count7

Just shows that nobody cares about debugging the parity flag any more

Raymond Chen
Reported incorrectly since the day it was written.
The Old New Thing
May 15, 2026
Post comments count4
Post likes count0

Advanced Shader Delivery expands Public Preview with AMD

Wendy Ho
Last October, we released Advanced Shader Delivery (ASD) on the ROG Xbox Ally handhelds. Advanced Shader Delivery addresses one of the most frustrating challenges for PC players today – long load times and disruptive stuttering during a game’s first launch. The feature works by...
DirectX Developer Blog
May 15, 2026
Post comments count2
Post likes count2

The case of the Create­File­Mapping that always reported ERROR_ALREADY_EXISTS

Raymond Chen
Maybe because it already exists?
The Old New Thing
May 15, 2026
Post likes count0

The Coding Harness Behind GitHub Copilot in VS Code

VS Code Team
Learn why the coding harness around GitHub Copilot in VS Code matters as models, tools, agents, and providers evolve. Read the full article
VS Code Blog
May 14, 2026
Post comments count1
Post likes count2

Segment Heap support for C++ projects in Visual Studio

MacGyver Codilla
Learn how Visual Studio enables Segment Heap by default for new C++ projects and how to adopt and verify it in existing builds.
C++ Team Blog
May 14, 2026
Post comments count0
Post likes count3

Exponential backoff and circuit breaker for Service Bus-triggered Azure Functions

Swapnil Nagar
Use exponential backoff and circuit breaker patterns in Azure Functions with Service Bus SDK bindings. Control retry storms, protect dependencies, and degrade gracefully under transient failures.
Azure SDK Blog
May 14, 2026
Post comments count0
Post likes count4

Considering NL2SQL? Should your database really be the prompt? How can SQL MCP Server help?

Jerry Nixon
You’ve probably experienced both of these, perhaps at the same time. First, that desire to let an agent get at your data. It’s driven by simplification and better experiences for the user and for you: fewer screens, fewer queries, fewer reports, and less code overall. Second, and...
Azure SQL Dev Corner
May 14, 2026
Post comments count0
Post likes count1

Governance at the Speed of Agents: Microsoft Agent Framework and Agent Governance Toolkit, Better Together

Imran,
Shawn
Building powerful AI agents is only half the story, running them safely in production is the real challenge. As customers adopt Microsoft Agent Framework for agent orchestration, a clear need has emerged for robust, built-in governance. In this post, Imran Siddique from the AGT team walks...
Microsoft Agent Framework