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When Infrastructure Scales But Understanding Doesn't

We all know this, even if we don't like to admit it: modern infrastructure can scale infinitely, but human understanding doesn't. We've all seen it happen - organizations going from managing dozens of servers to thousands of containers, from deploying weekly to deploying hundreds of...
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Authentication Tokens Are Not a Data Contract

Authentication tokens exist to answer one question: is this caller authorized to do this? They are not intended to be a stable data interface, a schema you can depend on, or an input into application logic. If your application decodes tokens and reads claims from them, this is an...
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Latest posts

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Apr 1, 2026
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Project Nighthawk: A Research Agent Built for Field Engineering

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Diego,
Ray
If you work in field engineering, you know the scenario. A customer is deploying AKS in a regulated environment. They hit an issue during node bootstrapping. They want to know exactly what happens when a node joins the cluster, which components run in which order, and whether the...
All things Azure
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Mar 31, 2026
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Building with Azure Skills

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Chris Harris
Part 3 of the Azure Skills Plugin series Previously: How to Install the Azure Plugin You've installed the Azure Skills Plugin. The Azure MCP server is running. You have a huge collection of tools and skills at your disposal. So, now what do you actually say to...
All things Azure
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Mar 31, 2026
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Aspire 13.2: Dashboard Gets Smarter Export and Telemetry

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James Newton-King
Aspire 13.2 brings powerful new dashboard features for exporting and importing telemetry, querying telemetry via API, and improved GenAI telemetry visualization.
Aspire Blog
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Mar 31, 2026
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Visual Studio March Update - Build Your Own Custom Agents

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Mark Downie
This month's Visual Studio update gives you new ways to customize GitHub Copilot. Custom agents allow you to build specialized Copilot agents tailored to your team's workflow, backed by the tools and knowledge sources that matter to your project. Alongside that, agent skills bring...
Visual Studio Blog
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Mar 31, 2026
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Before you check if an update caused your problem, check that it wasn't a problem before the update

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Raymond Chen
It was going to be like that when I got here.
The Old New Thing
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Mar 30, 2026
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Azure Developer CLI (azd) - March 2026: Run and Debug AI Agents Locally, GitHub Copilot Integration, & Container App Jobs

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PuiChee (PC) Chan
Run, invoke, and monitor AI agents locally or in Microsoft Foundry with the new azd AI agent extension commands. Plus GitHub Copilot-powered project setup, Container App Jobs deployment, local preflight validation, and configurable timeouts.
Azure SDK Blog
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Mar 30, 2026
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Writing Azure service-related unit tests with Docker using Spring Cloud Azure

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Rujun Chen
This post shows how to write Azure service-related unit tests with Docker using Spring Cloud Azure.
Azure SDK Blog
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Mar 30, 2026
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A question about the maximimum number of values in a registry key raises questions about the question

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Raymond Chen
Why is this even a question?
The Old New Thing
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Mar 27, 2026
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What if a dialog wants to intercept its own message loop?

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Raymond Chen
You can steal them from your owner.
The Old New Thing
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Mar 26, 2026
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Azure SDK Release (March 2026)

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Ronnie Geraghty
Azure SDK releases every month. In this post, you find this month's highlights and release notes.
Azure SDK Blog
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Mar 26, 2026
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Breaking Change Ahead: Graph API Updates to Sensitive Email Properties

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Thomas Mechelke
On 12/31/2026, we will begin restricting updates to sensitive properties on non-draft email messages (including subject, body, and recipients). Apps will need Mail-Advanced.ReadWrite (or .All / .Shared) with admin consent to continue modifying these fields. Review your current usage and update permissions now to avoid unexpected failures.
Microsoft 365 Developer Blog
Mar 26, 2026
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TypeScript AppHost in Aspire 13.2: same app model, different syntax

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Sebastien Ros
Aspire 13.2 enables TypeScript developers to define AppHosts directly in TypeScript, with the same streamlined Aspire application model.
Aspire Blog
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Mar 26, 2026
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Why doesn't WM_ENTER­IDLE work if the dialog box is a Message­Box?

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Raymond Chen
Because it opted out.
The Old New Thing
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Mar 26, 2026
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Building Search-Enabled Agents with Azure AI Foundry and Semantic Kernel and A2A

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Munish Malhotra
A step-by-step guide to enable search in the semantic kernel agents using bing grounding in Azure Foundry AI Agent using A2A.
ISE Developer Blog
Visual Studio Code 1.113
Mar 25, 2026
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Visual Studio Code 1.113

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Visual Studio Code Team
Learn what's new in Visual Studio Code 1.113 Read the full article
VS Code Blog
PIX on Windows
Mar 25, 2026
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PIX 2603.25 - misc bug fixes and improvements

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Austin Kinross
Today we released PIX 2603.25 which can be downloaded here. These releases include everything in the previous 2602.25 release, plus the following bug fixes: Fix capture layer issue corrupting tiled resources in some scenarios Fix debug layer error during capture in query heaps ...
PIX on Windows
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Mar 25, 2026
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How can I change a dialog box's message loop to do a Msg­Wait­For­Multiple­Objects instead of Get­Message?

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Raymond Chen
The dialog box lets you change how it waits.
The Old New Thing
Featured image showing a laptop with two terminal windows — Claude Code with API timeout errors in red, GitHub Copilot CLI working smoothly with green checkmarks
Mar 25, 2026
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Your Entire Engineering Floor Just Stopped Coding

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Desi Villanueva
And the developers running Claude Code and GitHub Copilot CLI didn't notice... Status Page Says 'Operational.' Your Subagents Say Otherwise. If you're running autonomous agents in any serious capacity, you've experienced this: model provider outages aren't edge cases —...
All things Azure
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Mar 24, 2026
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SharePoint Framework (SPFx) roadmap update – March 2026

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Vesa Juvonen
SPFx is powering the future of Microsoft 365 with AI driven portals and deep integrations across SharePoint Teams and Viva. The March 2026 update shares new features and the roadmap for the next evolution built for the AI era. This is a transparent community driven journey that we shape together.
Microsoft 365 Developer Blog
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Mar 24, 2026
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Designing for Eventual Consistency for Microsoft Entra

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Kyle Marsh
Microsoft Entra is a globally distributed service that provides identity and access management to millions of customers world-wide. To scale reliably and remain resilient during failures, Microsoft Entra uses an eventually consistent directory model. Key takeaway A successful write to...
Microsoft Entra Identity Platform
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Mar 24, 2026
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Unlock More Power in Your Development Workflow: Syncfusion for Visual Studio Subscribers 

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Jim Harrer
A few months ago, I was talking with a developer who said something that stuck with me:  “I love building apps. I just don’t love rebuilding the same UI controls over and over again.”  That’s the reality for a lot of teams. You want to focus on your business logic,...
Visual Studio Blog
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Mar 24, 2026
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Windows 95 defenses against installers that overwrite a file with an older version

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Raymond Chen
A very primitive version of recovery.
The Old New Thing
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Mar 24, 2026
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📢LangChain4j got a new video series

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Rory Preddy
We recently released a step-by-step course from simple chat to AI agents using LangChain4j 👉http://aka.ms/LangChain4j-for-Beginners Now watch the new 6️⃣part Video series with tons of hands-on demos. Let's break down what you'll learn. Introduction to...
Microsoft for Java Developers
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Mar 23, 2026
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SQL code analysis in VS Code: Configure rules without editing your project file

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Iqra Shaikh
SQL code analysis has been part of the SSDT workflow for a long time. Before deploying a schema change, you could run a set of static analysis rules against your project to catch potential issues, things like missing primary keys, deprecated syntax, or objects that could break under...
Azure SQL Dev Corner
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Mar 23, 2026
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Agentic Platform Engineering with GitHub Copilot

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Diego,
Ray
We've talked about the human scale problem and what happens when infrastructure scales but understanding doesn't. If you've been following along, you know the thesis: our tools have outpaced our ability to operate them, and platform engineering is how we're fighting back. But here's...
All things Azure
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Mar 23, 2026
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Manage SQL database schemas in VS Code: Publish dialog and item templates

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Iqra Shaikh
Making schema changes often means jumping between tools. You write code in VS Code, then switch to a separate tool to deploy your changes : exporting a script, running it manually, or copy-pasting into a query editor. Either way, it pulls you out of your flow. With the latest updates to...
Azure SQL Dev Corner
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Mar 23, 2026
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Generative AI for Beginners .NET: Version 2 on .NET 10

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Pablo,
Bruno
Announcement of Version 2 of Generative AI for Beginners .NET, a free course rebuilt for .NET 10 with Microsoft.Extensions.AI, updated RAG patterns, and new agent framework content across five structured lessons for building production-ready AI apps.
.NET Blog