Peter Ritchie's Blog

Things That Caught My Attention Last Week - August 31

Mon, 31 Aug 2026 00:00:00 GMT

.NET

MSBuild warning NU1510 by Karen Payne

Request Timeouts in ASP.NET Core by Milan Jovanović

The “Open Core” Model for Sustainable OSS Development in .NET by Jeremy D. Miller

How Uno Platform uses .NET, MCP, and AI to build high quality apps by .NET Team

VSLive! @ Microsoft HQ: Developer Takeaways and Must-Watch Sessions by Visual Studio Blog

Multi-Tenant .NET, Part 4: Moving Day by Barret Blake

The Visual Studio Debugger Agentic Workflow Gets a Test-Driven Upgrade by Visual Studio Blog

.NET Conf 2026 - Save the Date by .NET Team

Visual Studio August Update — Work Smarter Across Models and Branches by Visual Studio Blog

Wolverine 6.30: Optimized at least once delivery with “Native Acks” by Jeremy D. Miller

Finding the total number of processors on a machine with .NET by Andrew Lock

Unlocking the Power of AI for Every Developer in Visual Studio with Bring your Own Model by Visual Studio Blog

Explore new features available in C# 15 preview by .NET Team

Limit what NuGet packages can do in your project by Gérald Barré

C# Copy files done right by Karen Payne

REST/APIs

Inside the Agent-Readiness Score by Kin Lane

Bringing Coherence to Sprawling Enterprise API Estates by Kin Lane

Azure

Azure Developer CLI (azd) - August 2026 - Azure SDK Blog by Azure SDK Blog

Azure DevOps in the GitHub Copilot App by Azure DevOps Blog

Copilot Code Reviews for Azure Repos (public preview) by Azure DevOps Blog

AI

GitHub Copilot app for Beginners: Automate Dependabot pull request triage by The GitHub Blog

How to evaluate LLMs before production by The GitHub Blog

Approved by Management #26-09 by Mike Amundsen

Things That Caught My Attention Last Week - August 17

Wed, 19 Aug 2026 00:00:00 GMT

Open-source

Your contributors are AI-first now. Is your project? by The GitHub Blog

Software Architecture

Fractal Architecture, Cognitive Load, Vertical Slices and other terms that do(n't) fit your head by Oskar Dudycz

How Do You Build a Social Media Feed? (System Design) by Milan Jovanovic

Enforced application architecture for agents and humans by Nick Tune

.NET

C# ExceptionDispatchInfo Class by Karen Payne

Using the Wolverine “Side Effect” Model to Simplify Code by Jeremy D. Miller

Introducing Fisher: Sqlite Backed Document Db & Event Store Critter by Jeremy D. Miller

.NET 11 Preview 7 is now available! by .NET Team

.NET and .NET Framework August 2026 servicing releases updates by .NET Team

Today I will... manage Git Submodules without leaving the IDE by Visual Studio Blog

Project Management/Administration

Your Internal Docs Need the Same Scoring Discipline as Your Public APIs by Oskar Dudycz

REST/APIs

OpenAPI Overlays for Compliance and Redaction Profiles by Oskar Dudycz

APIs Are 100x More Important Than Five Years Ago, and Still Uncool by Karen Payne

Azure

Azure Developer CLI extension framework is GA: build dev workflows for apps using Azure by Azure SDK Blog

Software Development

GitHub Quietly Built the Onboarding Flow Everyone Else Is Missing by Oskar Dudycz

What 50 open source projects taught us about security in the AI era by The GitHub Blog

Why use ORMs if LLMs write code? by Mark Seemann

GitHub availability report: July 2026 by The GitHub Blog

From coder to orchestrator: How agents shift the role of a developer by The GitHub Blog

AI

Instructions Hygiene - What Frontier Models Still Need You to Say by .NET Team

Approved by Management #26-07 by Mike Amundsen

Things That Caught My Attention Last Week - August 10

Sun, 09 Aug 2026 00:00:00 GMT

Open-source

Stacked sessions and pull requests in the GitHub Copilot app by The GitHub Blog

Software Architecture

Should You Split That Into Microservices? Ask These 5 Questions First by Milan Jovanović

Don't stop early: Case-folding source code at memory speed by The GitHub Blog

.NET

Build Azure Skills Faster with Cloud Academy, a Visual Studio Subscriber Benefit by Visual Studio Blog

Automatic CSRF protection based on Fetch Metadata headers by Andrew Lock

Declarative Testing Helper for Marten or Polecat Projections by Jeremy D. Miller

Strengthening NuGet Supply Chain Security: Reducing API Key Lifetime by .NET Team

Adding a Clone method to a C# record by Gérald Barré

C# ModuleInitializerAttribute by Karen Payne

From generated code to trusted code with a unit-test agent by .NET Team

Binary Event Serialization for Marten by Jeremy D. Miller

Multi-Tenant .NET: Shared Database With Schema Separation by Barret Blake

Fast Web Services with Marten and Polecat by Jeremy D. Miller

The rise of the agent runtime: The compute platform behind production agents by Jeremy D. Miller

Understanding the Fetch Metadata HTTP headers: Sec-Fetch-Site and friends by Andrew Lock

Announcing v2.0 of the official MCP C# SDK by .NET Team

REST/APIs

Quick: Expose Every Endpoint! by Alexander Karan

Agents Don't Magically Understand Your API by Alexander Karan

MCP Is Last-Mile Plumbing by Alexander Karan

OpenAPI Overlays for Governance as an Artifact, Not Enforcement by Kin Lane

Azure

Azure Developer CLI (azd) July 2026 by Azure SDK Blog

Azure SDK Release (July 2026) by Azure SDK Blog

Software Development

Tame Dependabot: Group your updates, slow the cadence, keep security fast by The GitHub Blog

AI

Approved by Management #26-06 by Mike Amundsen

My Current Stance on How I Use Artificial Intelligence by Gérald Barré

AI-Driven API Design goes on the road by Mike Amundsen

Things That Caught My Attention Last Week - July 6

Wed, 08 Jul 2026 00:00:00 GMT

Open-source

How GitHub maintains compliance for open source dependencies by The GitHub Blog

6 security settings every GitHub maintainer should enable this week by The GitHub Blog

Software Architecture

Addition by subtraction in software design by Oskar Dudycz

.NET

Validation in FastEndpoints: Pipelines, Pitfalls, and Patterns by Barret Blake

Closed class hierarchies by Andrew Lock

Visual Studio June Update - Track Your Usage, Trust Your Tools by Visual Studio Blog

A Big Week for the Critter Stack by Jeremy D. Miller

MCP Beyond the Chat Window: Build Diagnostics in CI by .NET Team

5 EF Core Performance Anti-Patterns That Entity Framework Extensions Eliminates by Chris Woody Woodruff

Add vs AddRange in EF Core: The Performance Myth You Need to Stop Repeating by Chris Woody Woodruff

Build Your Own VPN With Tailscale by Milan Jovanovic

EF Core UseIdentityColumns by Karen Payne

Software Design

Worse is better: JSON versus XML by Mark Seemann

REST/APIs

Query Is Here by Alexander Karan

Bringing Legacy Standards Into the Modern API Age by Chris Woody Woodruff

API Governance Is 75% People Work by Karen Payne

Azure

Upcoming Change: NTLM Removal in Git (libcurl) by Azure DevOps Blog

Azure SDK Release (June 2026) by Azure SDK Blog

Need a different partition key in Azure Cosmos DB? Pick the right approach by Azure Cosmos DB Blog

See our new Azure Cosmos DB Design Patterns by Azure Cosmos DB Blog

Software Development

The Plight of Women in Tech 20+ Years Later by Sarah Dutkiewicz

Things That Caught My Attention Last Week - June 22

Wed, 24 Jun 2026 00:00:00 GMT

Security

What is npm doing to protect the JavaScript ecosystem – and is it enough? by Sarah Dutkiewicz

Open-source

How pull request limits are cutting down the noise by The GitHub Blog

Domain-Driven Design, CQRS

The Anticorruption Layer Contains, It Does Not Cure by Michael Plöd

Software Architecture

Stop Blaming Event-Driven Architecture by Derek Comartin

.NET

Theme colors, shipped by Mark Downie

Kafka Support Improvements in Wolverine 6.13 by Jeremy D. Miller

BulkMerge (Upsert) in EF Core: How to Insert-or-Update Without the Headache by Chris Woody Woodruff

AI-Powered MSBuild Investigation with the Microsoft Binlog MCP Server by .NET Team

The Case of the Empty IIS Deployment by Barret Blake

Strongly typed generic object in C# by Jiří Činčura

Announcing Strictland - new contract testing library for message compatibility by Oskar Dudycz

New lines are more than \r and \n by Gérald Barré

Make Visual Studio look the way you want by Visual Studio Blog

Commitment to improvement by Karen Payne

Conferences and Speaking

No Excuses for Manels by Sarah Dutkiewicz

Software Design

The Modular Monolith Boundary I Couldn't Take Back by Milan Jovanović

REST/APIs

SoundCloud Shows What Programmatic API Onboarding Should Look Like by Jeremy D. Miller

Go Faster with HeyAPI by Alexander Karan

Azure

How to Use Deep Agents with Azure Cosmos DB by Azure Cosmos DB Blog

Retirement of Azure DevOps issuer in Workload identity federation service connections by Azure DevOps Blog

AI

AI Software Development Is Near-Impossible (video) by Zoran on C#

Approved by Management #26-01 by Mike Amundsen

Things That Caught My Attention Last Week - June 15

Wed, 17 Jun 2026 00:00:00 GMT

Open-source

You can fork a package, but can you own it? by Oskar Dudycz

Domain-Driven Design, CQRS

Ghost Ownership: You Own the Capability, Not the Decision by Michael Plöd

.NET

.NET at Microsoft Build 2026: Must watch sessions by Daniel Roth

C# Pattern matching by Karen Payne

Building Dapr Workflows in .NET With Aspire by Milan Jovanović

New Release!! htmxRazor v2.1.0: Advanced Inputs by Chris Woodruff

Review pull requests without leaving Visual Studio by Leah Tran

.NET 11 Preview 5 is now available! by .NET Team

.NET and .NET Framework June 2026 servicing releases updates by Rahul Bhandari (MSFT)

Result pattern or throwing exceptions? Wolverine says “neither” by Jeremy D. Miller

New features and Roslyn analyzers for Meziantou.Framework.FullPath by Gérald Barré

Conferences and Speaking

First-Time Speaker Questions, Part 1 by sadukie

Software Design

Solving the 'God Object' Problem with Shared Identity by Derek Comartin

REST/APIs

The Architecture Behind 10,000 API Providers by Kin Lane

API Value Exchange by Kin Lane

Azure

Enterprise Live Migrations: Moving from Azure DevOps Repo to GitHub with minimal disruption by Soo Stahl

June Patches for Azure DevOps Server by Gloridel Morales

Copilot Autofix for GitHub Advanced Security for Azure DevOps by Laura Jiang

Software Development

The Ship of Theseus and behavior drift by Mike Amundsen

AI

How we made GitHub Copilot CLI more selective about delegation by Pingping Lin, Yu Hu

GitHub availability report: May 2026 by Jakub Oleksy

Making secret scanning more trustworthy: Reducing false positives at scale by Mariko Wakabayashi

Give GitHub Copilot CLI real code intelligence with language servers by Bruno Borges

GenAI Won't Speed Up Your Scrum Events (and Shouldn't) by

Microsoft Build 2026 recap by Cassidy Williams

AI Splits the Market by Mark Downie

From one-off prompts to workflows: How to use custom agents in GitHub Copilot CLI by Jacklyn Carroll

Copilot Code Reviews for Azure Repos by Dan Hellem

Computing

KeyCon 2026 recap by Cassidy Williams

Things That Caught My Attention Last Week - June 7

Mon, 08 Jun 2026 00:00:00 GMT

Software Architecture

Modular Monolith Boundaries Done Wrong by Derek Comartin

.NET

40 Lessons I Learned in 12 Years as a .NET Developer by Anton Martyniuk

Improving C# Memory Safety by Richard Lander

2026 Board Election Candidates by .NET Foundation

New features and Roslyn analyzers for Meziantou.Framework.FullPath by Gérald Barré

C#14 The field keyword by Karen Payne

The Codebase Is the Prompt: Wolverine, Vertical Slices, and AI-Assisted Development by Jeremy D. Miller

What's Coming Next in Visual Studio: Our Microsoft Build 2026 Announcements by Mads Kristensen

Pagination in Entity Framework Core: Why Skip/Take Falls Apart on Hot Tables by Chris Woodruff

Union Types Are Finally Coming to C# by Milan Jovanović

Doing More with GitHub Copilot as a .NET Developer by Wendy Breiding (SHE/HER)

Visual Studio May Update – Plan, Review, Refine by Mark Downie

Higher Performance Dynamic Consistency Boundary Development with Marten 9.0 by Jeremy D. Miller

Software Design

DRY Is the Most Misunderstood Rule in Programming by Milan Jovanović

Roll for Architecture: What D&D Taught Me About Software Design by Barret Blake

REST/APIs

All Devtools Die by Alexander Karan

Azure

Azure DevOps and GitHub: Journeying into the AI Era by Rajesh Ramamurthy

Introducing azure-functions-skills: An AI-Era Workspace for Azure Functions (Preview) by Tsuyoshi Ushio

Azure Cosmos DB Migration Assistant for RDBMS to NoSQL by Sergiy Smyrnov

Announcing General availability of the Azure Cosmos DB vNext emulator by Abhishek Gupta

Software Development

How Microsoft is migrating repositories to GitHub by Poonam Gupta

Things I Think I Think... The New Internet Era by Ted Neward

Stop Joining Tables In Your “Modular” Monolith by Derek Comartin

AI

The 10x AI Delusion & The Real Bottlenecks by Vasudha Prabhala

AI Literacy Is Not Prompt Literacy. Ann Handley Says It's Judgment Literacy by Greg Jarboe

The agent always cost this much by Mark Downie

Research: "What's the Default Language of an LLM?" by Ted Neward

GitHub Copilot app: The agent-native desktop experience by Mario Rodriguez

Databases

How soon is now in PostgreSQL? by Oskar Dudycz

Things That Caught My Attention Last Week - May 17

Wed, 20 May 2026 00:00:00 GMT

Open-source

Raising the bar: Quality, shared responsibility, and the future of GitHub's bug bounty program by Jarom Brown

GitHub availability report: April 2026 by Jakub Oleksy

Software Architecture

On mashing up modelling techniques for fun and profit by Oskar Dudycz

From latency to instant: Modernizing GitHub Issues navigation performance by Alexander Lelidis

Why Sagas Feel Broken by Derek Comartin

.NET

NuGet Package Pruning: Cleaner Dependencies and Actionable Vulnerability Reports by Nikolche Kolev

Blazor - How to set a base component for all Razor components by Gérald Barré

ASP .NET Core Bootstrap toast by Karen Payne

When Your Use Case Half-Succeeds: Designing for Partial Failure in .NET by Milan Jovanović

Running background tasks in Blazor with Web Workers by Andrew Lock

Conferences and Speaking

Stir Trek 2026 - When Logs Tell the Whole Story by Barret Blake

VSLive! Microsoft AI Hackathon 2026: Send Your Team Home With Working Code by Jim Harrer

Process API Improvements in .NET 11 by Adam Sitnik

Critter Stack 2026 Releases are Underway by Jeremy D. Miller

.NET MAUI Moves to CoreCLR in .NET 11 by David Ortinau

Agent Skills in Visual Studio: Teach Copilot How Your Team Works by Simona Liao

.NET 11 Preview 4 is now available! by .NET Team

.NET and .NET Framework May 2026 servicing releases updates by Rahul Bhandari (MSFT)

REST/APIs

Which of Fastify's many OpenAPI plugins are the best? by Phil Sturgeon

Azure

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

May Patches for Azure DevOps Server by Gloridel Morales

From beta to stable: Announcing the Azure SDK for Rust 🎉🦀 by Ronnie Geraghty

Software Development

Take your local GitHub sessions anywhere by Candy Ho, Ellie Bennett

AI

GitHub Copilot individual plans: Introducing flex allotments in Pro and Pro+, and a new Max plan by Joe Binder

Dungeons & Desktops: Building a procedurally generated roguelike with GitHub Copilot CLI by Lee Reilly

Things That Caught My Attention Last Week - May 10

Fri, 15 May 2026 00:00:00 GMT

Open-source

GitHub for Beginners: Getting started with OSS contributions by Kedasha Kerr

Software Architecture

Don't overestimate domain expertise by Oskar Dudycz

Debugging Event-Driven Systems: 5 Problems Teams Create by Derek Comartin

.NET

Propagating OpenTelemetry context in .NET by Gérald Barré

API Versioning Should Be Your Last Resort by Milan Jovanović

I've Been Busy Updating My Pluralsight Courses by Shawn Wildemuth

Wolverine Middleware and Some Random Observations by Jeremy D. Miller

REST/APIs

83 of the Fortune 100 Have a Developer or API Portal by Kin Lane

Azure

Least privilege AI agents: A new azd template from Curity and Microsoft by Kristen Womack

Generative AI in Document Processing with Azure by Manish Sharma

Azure Cosmos DB Shell Public Preview: AI-Powered CLI by Sajeetharan Sinnathurai

Software Development

Why age assurance laws matter for developers by Margaret Tucker

What We Lost the Last Time Code Got Cheap by Mark Downie

AI

The cost of always having the answer by Mike Amundsen

Things I Think I Think... about Coding Agents and IDEs by Ted Neward

Improving token efficiency in GitHub Agentic Workflows by Landon Cox, Mara Kiefer

Agent pull requests are everywhere. Here's how to review them. by Andrea Griffiths

Copilot Studio gets faster with .NET 10 on WebAssembly by Daniel Roth

Seeing MCP by Kin Lane

Validating agentic behavior when “correct” isn’t deterministic by Gaurav Mittal, Reshabh Kumar Sharma

Things That Caught My Attention Last Week - April 26

Mon, 27 Apr 2026 00:00:00 GMT

Software Architecture

Kafka Is Not An Event Store by karoxi

Just Use Postgres as a Queue? by Derek Comartin

.NET

ReSharper Made VS Code a Real Option for My .NET Work by Chris Woodruff

Display project Attribute (C#) by Karen Payne

What's new for .NET in Ubuntu 26.04 by Richard Lander

Give .NET Its Props - Central Package Management by Barret Blake

Like Vertical Slice Architecture? Meet Wolverine.Http! by Jeremy D. Miller

.NET 10.0.7 Out-of-Band Security Update by Rahul Bhandari (MSFT)

EF Core is Better with Wolverine – The Shade Tree Developer by Jeremy D. Miller

Removing byte[] allocations in .NET Framework using ReadOnlySpan by Andrew Lock

Customizing the Wolverine Code Generation Model – The Shade Tree Developer by Jeremy D. Miller

Project Management/Administration

Product Management with GenAI: What Changes and What Doesn't by Mark Levison

REST/APIs

With API Knowledge Comes Great Power by Kin Lane

Azure

Azure MCP Server now available as an MCP Bundle (.mcpb) by Victor Colin Amador

Axios npm Supply Chain Compromise – Guidance for Azure Pipelines Customers by Josef Sin

Write azd hooks in Python, JavaScript, TypeScript, or .NET by Kristen Womack

7 tips to optimize Azure Cosmos DB costs for AI and agentic workloads by Michal Toiba

Optimizing Git policy management at scale by Azat Galiev

Azure SDK Release (April 2026) by Ronnie Geraghty

General Availability: Dynamic Data Masking for Azure Cosmos DB by Sudhanshu Khera

Azure DevOps MCP Server April Update by Dan Hellem

Software Development

The Test Pyramid Is a Lie (and What I Do Instead) by Milan Jovanović

Highlights from Git 2.54 by Taylor Blau

AI

Vibe Coding Will Break Your Company by Dr. Jason Wingard

The AI Great Leap Forward (a warning) by Mike Amundsen

Vibing, Harness and OODA loop by Oskar Dudycz

Setting Up Claude Code Agent Teams With Wsl2 and Tmux on Windows by Ardalis (Steve Smith)

Are we the parents in the AI Agent relationship? The drama continues by Joseph Guadagno

GitHub Copilot meets Azure Developer CLI: AI-assisted project setup and error troubleshooting by Kristen Womack

Changes to GitHub Copilot Individual plans by Joe Binder

Things That Caught My Attention Last Week - April 19

Wed, 22 Apr 2026 00:00:00 GMT

Security

How exposed is your code? Find out in minutes—for free by Dorothy Pearce, Eric Tooley

Software Architecture

Yoda Principle for better integrations by Oskar Dudycz

Evaluating CRON and RRule expressions in .NET by Gérald Barré

Why I Switched to Primary Constructors for DI in C# by Milan Jovanović

GitHib

Bringing more transparency to GitHub’s status page by Jakub Oleksy

.NET

It's Time for a Visual Studio Upgrade by Mark Downie

Docker Volume Location on Windows by Joseph Guadagno

From AI to .NET: 20 VS Live! Las Vegas Sessions You Can Watch Now by Jim Harrer

Pin Clustering in .NET MAUI Maps by David Ortinau

Critter Stack Sample Projects and Our Curated AI Skills by Jeremy D. Miller

Stop Hunting Bugs: Meet the New Visual Studio Debugger Agent Workflow by Harshada Hole

.NET 11 Preview 3 is now available! by .NET Team

htmxRazor v2.0.0: Platform and DX by Chris Woodruff

Suppressing Roslyn Analyzer Warnings Programmatically using DiagnosticSuppressor by Gérald Barré

REST/APIs

How DO you Paywall an API? by Alexander Karan

An API Consumer Interoperability Mindset by Kin Lane

Azure

One-click security scanning and org-wide alert triage come to Advanced Security by Laura Jiang

Stop juggling package managers—just run azd update by Kristen Womack

Software Development

Why is there a long delay between a thread exiting and the WaitForSingleObject returning? by Raymond Chen

Testing Needs a Seam, Not an Interface by Derek Comartin

How Software Developers Fail by Ardalis (Steve Smith)

AI

Optimizing AI Agents with Progressive Disclosure by Ardalis (Steve Smith)

Azure MCP tools now ship built into Visual Studio 2022 — no extension required by Yun Jung Choi

Running AI agents with customized templates using docker sandbox by Andrew Lock

A useful definition at the right time by Mike Amundsen

Things That Caught My Attention Last Week - April 12

Tue, 14 Apr 2026 00:00:00 GMT

Software Architecture

Anti-patterns in event modelling - Passive-Aggressive Events by Oskar Dudycz

Why "Clean Code" is Killing Your Velocity by Derek Comartin

.NET

Explore union types in C# 15 by Bill Wagner

Suppressing Roslyn Analyzer Warnings Programmatically using DiagnosticSuppressor by Gérald Barré

The Fastest Possible HTTP Queries with Marten by Jeremy D. Miller

Implementing the Saga Pattern With Wolverine by Milan Jovanović

EF Core Migrations Best Practices by Barret Blake

How to Delete and Update Millions of Rows in EF Core Without Loading a Single Entity by Chris Woodruff

ASP.NET Core 2.3 end of support announcement by Daniel Roth

Take full control of your floating windows in Visual Studio by Mads Kristensen

REST/APIs

You See a Spec, I See a Common Language, and a Common Understanding by Kin Lane

Azure

Announcing Azure MCP Server 2.0 Stable Release for Self-Hosted Agentic Cloud Automation by Sandeep Sen

Scalable AI with Azure Cosmos DB: Tredence Intelligent Document Processing (IDP) by Manish Sharma

AI

Old Protocols, New Pipes by Mark Downie

To Succeed with AI, You’ve Got to Nail the Basics by Thomas C. Redman

Forget AI slop. We’re entering our generative smog era by Niall Kitson

On .NET Live - AI offers benefits, but at what cost? - YouTube by Steve Smith

Secret agentic AI by Mark Seemann

How Intelligent is AI? by Shawn Wildermuth

Things That Caught My Attention Last Week - April 5

Mon, 06 Apr 2026 00:00:00 GMT

Open-source

Securing the open source supply chain across GitHub by Zachary Steindler

Software Architecture

The Next Big Thing Is Small (Redux) by Mike Amundsen

.NET

Explore union types in C# 15 by Bill Wagner

Chris Woodruff and Joe Guadagno on morespeakers com - YouTube by David Giard

Replace Switch Statements with the Strategy Pattern in C# - YouTube by Milan Jovanović

Accessing files from the action repository in a GitHub Composite Action by Gérald Barré

Implementing the Inbox Pattern for Reliable Message Consumption by Milan Jovanović

Multi-Tenancy in the Critter Stack by Jeremy D. Miller

FastEndpoints vs ASP.NET Minimal APIs in 2026 by Barret Blake

.NET Conf Most Popular Sessions Tool by Ardalis (Steve Smith)

Visual Studio March Update - Build Your Own Custom Agents by Mark Downie

Configuring contextual options with Microsoft.Extensions.Options.Contextual by Andrew Lock

URL Pattern Matching in .NET by Gérald Barré

Improving the Markdown Editor for Work Items by Dan Hellem

Azure

Azure Developer CLI (azd) - March 2026: Run and Debug AI Agents Locally, GitHub Copilot Integration, & Container App Jobs by PuiChee (PC) Chan

Software Development

Microsoft Hasn’t Had a Coherent GUI Strategy Since Petzold by Jeffrey Snover

Things I Think I Think... About Touching Code by Ted Neward

AI

Wikipedia Editors Tried and Tried to Work With AI Content, Eventually Realized It Was Total Trash and Banned It Entirely by Frank Landymore

The keyboard was never the bottleneck by Mike Amundsen

Run multiple agents at once with /fleet in Copilot CLI by Matt Nigh, Brian LaFlamme

Agent-driven development in Copilot Applied Science by Tyler McGoffin

Things That Caught My Attention The Last Two Weeks - March 29

Mon, 30 Mar 2026 00:00:00 GMT

Security

Supply-chain attack using invisible code hits GitHub and other repositories by Dan Goodin

Trivy Under Attack Again: Widespread GitHub Actions Tag Comp... by Philipp Burckhardt

The Privacy ‘Zealots’ Were Right: Ad Tech’s Infrastructure Was Always A Risk by AdExchanger Guest Columnist

Passkeys were supposed to replace passwords, but they're failing for the most predictable reason by Sydney Butler

Open-source

Investing in the people shaping open source and securing the future together by Kevin Crosby

Software Architecture

The one where Oskar explains Example Mapping by Oskar Dudycz

Are SOLID Principles Still Relevant in the AI Era? by Vlad Khononov

Is Event-Driven Architecture Overkill for Most Apps? by Derek Comartin

.NET

Make your programs run faster with one click in Visual Studio 2026 - YouTube by Microsoft Visual Studio

ASP.NET Core startup validation part 4y by Karen Payne

htmxRazor v1.4.0: SSE Streaming, Multi-step Wizard, and Optimistic UI by Chris Woodruff

Announcing Polecat: Event Sourcing with SQL Server by Jeremy D. Miller

FbNetExternalEngine 7.0 released by Jiří Činčura

Scaling SignalR With a Redis Backplane by Milan Jovanović

Accelerating .NET MAUI Development with AI Agents by David Ortinau

Re-Sequencer and Global Message Partitioning in Wolverine by Jeremy D. Miller

RT.Assistant: A Multi-Agent Voice Bot Using .NET and OpenAI by Faisal Waris

URL Pattern Matching in .NET by Gérald Barré

EF Core Global Query Filters - The Soft Delete Pattern You Should Be Using by Barret Blake

REST/APIs

OpenAPI.tools is Growing by Alexander Karan

Azure

Azure DevOps Remote MCP Server (public preview) by Dan Hellem

March Patches for Azure DevOps Server by Gloridel Morales

Azure Developer CLI (azd): Run and test AI agents locally with azd by PuiChee (PC) Chan

Introducing the Azure Cosmos DB Plugin for Cursor by Sajeetharan Sinnathurai

Azure SDK Release (March 2026) by Ronnie Geraghty

Software Development

Programming languages for AI by Mark Seemann

What's coming to our GitHub Actions 2026 security roadmap by Greg Ose, Stephen Glass

A history of styling choices leading to native CSS by Cassidy Williams

AI

Squad: Tips, Tricks, and Lessons Learned by Joseph Guadagno

A Grim Truth Is Emerging in Employers' AI Experiments by Victor Tangermann

Tech Billionaires Are Quietly Rooting for AI Bubble to Collapse by Joe Wilkins

AI is Sea Monkeys by Wes Miller

Unlocking the full power of Copilot code review: Master your instructions files by Ria Gopu

With AI Writing Code, What Are Developers For? by J. Tower

AI Benefits - But at What Cost? by Ardalis (Steve Smith)

Rethinking open source mentorship in the AI era by Abigail Cabunoc Mayes

Remote MCP Server preview in Microsoft Foundry by Dan Hellem

How Squad runs coordinated AI agents inside your repository by Brady Gaster

Coding Isn’t the Hard Part by Derek Comartin

Interactive Rubber Ducking with GenAI by Oskar Dudycz

Weizenbaum’s Four Warnings for the AI Era by Mike Amundsen

Is AI a Yes Man? by sadukie

Things That Caught My Attention Last Week - March 15

Mon, 16 Mar 2026 00:00:00 GMT

Open-source

htmxRazor v1.3.0: Data Table, Accessibility, and Modern CSS by Chris Woodruff

Software Architecture

.NET

Implementing RFC-compliant HTTP caching for HttpClient in .NET by Gérald Barré

Validation Options in Wolverine by Jeremy D. Miller

Optimizing Bulk Database Updates in .NET: From Naive to Lightning-Fast by Milan Jovanović

Modernize .NET Anywhere with GitHub Copilot by Mika Dumont

.NET 10.0.5 Out-of-Band Release - macOS Debugger Fix by Rahul Bhandari (MSFT)

DnsEndPoint – where have you been? by Jiří Činčura

.NET 11 Preview 2 is now available! by .NET Team

.NET and .NET Framework March 2026 servicing releases updates by Rahul Bhandari (MSFT)

New Improvements to Marten’s LINQ Support by Jeremy D. Miller

Configuring Claude Code for Real .NET Projects by Matt Mattei

Agile/Work Life

REST/APIs

OpenAPI.tools is Growing by Alexander Karan

Supergood is building unofficial APIs for everything by Mike Bifulco

Azure

Azure Cosmos DB Mirroring in Microsoft Fabric: Private Network Support Now Generally Available by Jai Maldonado

March Patches for Azure DevOps Server by Gloridel Morales

Azure Developer CLI (azd): Debug hosted AI agents from your terminal by PuiChee (PC) Chan

Azure Cosmos DB Conf 2026 Preview: What to Expect by Jay Gordon

Software Development

Pushing skills to a new level by Karen Payne

Machine Errors and Non-Deterministic Humans by Vlad Khononov

Windows stack limit checking retrospective: MIPS by Raymond Chen

Behavioural Inference: How I Learned to Stop Worrying and Love Probabilistic Systems (English) by Scott Galloway

GitHub availability report: February 2026 by Jakub Oleksy

Addressing GitHub’s recent availability issues by Vlad Fedorov

How do compilers ensure that large stack allocations do not skip over the guard page? by Raymond Chen

I Made an API by Barret Blake

Obsidian CLI is the new best way to automate your notes by Patrick Hearn

AI

Interactive Rubber Ducking with GenAI by Oskar Dudycz

Weizenbaum’s Four Warnings for the AI Era by Mike Amundsen

JetBrains names the debt AI agents leave behind by Darryl K. Taft

The era of “AI as text” is over. Execution is the new interface by Gwen Davis

Tech Billionaires Are Quietly Rooting for AI Bubble to Collapse by Joe Wilkins

Things That Caught My Attention Last Week - March 8

Tue, 10 Mar 2026 00:00:00 GMT

Open-source

htmxRazor 1.2.0: Toast Notifications, Pagination, and the End of CSS Specificity Fights by Chris Woodruff

Software Architecture

5 Architecture Tests You Should Add to Your .NET Projects by Milan Jovanović

Parse, Don't Guess by Oskar Dudycz

Vertical Slices doesn't mean "Share Nothing" by Derek Comartin

.NET

Async Does Not Mean Scalable by Irina Scurtu

Fun Five Year Retrospective on Marten Adoption by Jeremy D. Miller

Visual Studio Dev Essentials: Free, Practical Tools for Every Developer by Jim Harrer

Extend your coding agent with .NET Skills by Tim Heuer

Release v1.0 of the official MCP C# SDK by Mike Kistler

Essential Visual Studio Extensions by Karen Payne

The Value of Immutability in .NET by Barret Blake

Agile/Work Life

Product Backlog Refinement Hell: 3 Problems and Solutions by Mark Levison

Azure

Azure Developer CLI (azd): One command to swap Azure App Service slots by PuiChee (PC) Chan

Software Development

We are still engineers by Mark Downie

Visualize GitHub Actions runs with Meziantou.GitHubActionsTracing by Gérald Barré

How to scan for vulnerabilities with GitHub Security Lab’s open source AI-powered framework by Man Yue Mo, Peter Stöckli

Learning to read C++ compiler errors: Ambiguous overloaded operator by Raymond Chen

When ReadDirectoryChangesW reports that a deletion occurred, how can I learn more about the deleted thing? by Raymond Chen

Making art with CSS gradients and corner-shape and skew, oh my by Cassidy Williams

In defence of correctness by Mark Seemann

AI

The End of Coding? Wrong Question by Oskar Dudycz

The Missing Link in Vibe Coding: Feedback Loops by Vlad Khononov

Event-sourced Claude Code workflows by Nick Tune

Signal ping : Skill still sets the ceiling by Mike Amundsen

Which of these languages are best for AI? by Mark Seemann

Things That Caught My Attention Last Week - March 1

Wed, 04 Mar 2026 00:00:00 GMT

Software Architecture

Fencing Tokens and Generation Clock in .NET: Stop Zombie Leaders From Writing by Chris Woodruff

Coupling Should Be Weighed, Not Counted by Vlad Khononov

.NET

Visual Studio February Update by Mark Downie

Recording metrics in-process using MeterListener by Andrew Lock

On Debugging Problems by Jeremy D. Miller

Validating Benchmarks in .NET by Philippe Vaillancourt

Is it faster to index into an array or use switch statement for lookups? by Jiří Činčura

Azure

Updates to Team Calendar extension by Dan Hellem

Azure DocumentDB: A Fully Managed MongoDB-Compatible Database by Khelan Modi

Azure SDK Release (February 2026) by Ronnie Geraghty

Azure Developer CLI (azd) - February 2026: JMESPath Queries & Deployment Slots by PuiChee (PC) Chan

AI

From idea to pull request: A practical guide to building with GitHub Copilot CLI - The GitHub Blog by Ari LiVigni

What's new with GitHub Copilot coding agent - The GitHub Blog by Andrea Griffiths

Vector Data in .NET - Building Blocks for AI Part 2 by Jeremy Likness

Multi-agent workflows often fail. Here's how to engineer ones that don't. by Gwen Davis

Turns out Generative AI was a scam by Gary Marcus

We mourn our craft by Nolan Lawson

Using AI responsibly means knowing when not to use it by Sam Illingworth

Things That Caught My Attention Last Week - February 22

Mon, 23 Feb 2026 00:00:00 GMT

Security

How passkeys work by Cassidy Williams

Open-source

Securing the AI software supply chain: Security results across 67 open source projects by Gregg Cochran

Domain-Driven Design, CQRS

Read Replicas Are NOT CQRS (Stop Confusing This) by Derek Comartin

Software Architecture

Where Vertical Slices Fit Inside the Modular Monolith Architecture by Milan Jovanović

.NET

Using the Azure Service Bus Emulator for Local Wolverine Development by Jeremy D. Miller

Validating PowerShell script syntax in GitHub Actions workflows by Gérald Barré

EF Core HasQueryFilter II by Karen Payne

Creating standard and "observable" instruments by Andrew Lock

Custom Agents in Visual Studio: Built in and Build-Your-Own agents by Rhea Patel

REST/APIs

Is REST Dead... Again? by Alexander Karan

Azure

JMESPath support comes to azd JSON output by Scott Addie

AI

Shortwave: AI fatigue and the long middle of adoption by Mike Amundsen

Microsoft's backing off on its "AI everywhere" plan is too little, too late by Simon Batt

Agentic AI fails without an architecture of flow to eliminate the friction tax by David Smith

Things That Caught My Attention Last Week - February 15

Wed, 18 Feb 2026 00:00:00 GMT

Open-source

Welcome to the Eternal September of open source. Here's what we plan to do for maintainers by Ashley Wolf

.NET

On .NET Live: Lessons Learned Building Source Generators - YouTube by Jason Bock

.NET 11 Preview 1 is now available! by .NET Team

Unlock language-specific rich symbol context using new find_symbol tool by Sinem Akinci

Getting Started with .NET Scheduling in Hangfire by Barret Black

Getting more information in MSBuild binlogs with property tracking by Gérald Barré

ASP.NET Core warmup EF Core by Karen Payne

2 Weeks of Claude Code for Me ΓÇô The Shade Tree Developer by Jeremy D. Miller

How to Extract Structured Data From Images Using Ollama in .NET by Milan Jovanović

Azure

Subscribe E2/2026 - Microsoft Fabric Real-Time Intelligence - YouTube by Clemens Vasters

Deploy to Azure App Service deployment slots with azd by PuiChee (PC) Chan

Maximize Azure Cosmos DB Performance with Azure Advisor Recommendations by Iria Osara

February Patches for Azure DevOps Server by Gloridel Morales

Software Development

Enhanced developer tools on the Microsoft Store by Windows Developer Blog

Soft Delete Is a Workaround by Golo Roden

AI

An AI Agent Published a Hit Piece on Me by Scott Shambaugh

Llms Need Mark as Answer by Ardalis (Steve Smith)

Shortwave: Human-centered AI is not a new idea by Mike Amundsen

Things That Caught My Attention Last Week - February 8

Mon, 09 Feb 2026 00:00:00 GMT

Open-source

Stopwatch Overlay - Always-on-top timer for recordings & presentations by Clemens Vasters

Software Architecture

.NET

.NET Framework 3.5 Moves to Standalone Deployment in new versions of Windows by Tara Overfield

WinGet Configuration: Set up your dev machine in one command by Kayla Cinnamon

Lease Pattern in .NET: A Lock With an Expiration Date That Saves Your Data by Chris Woodruff

Roadmap for AI in Visual Studio (February) by Rhea Patel

Exploring the (underwhelming) System.Diagnostics.Metrics source generators by Andrew Lock

Building a Greenfield System with the Critter Stack by Jeremy D. Miller

Integrate Keycloak with ASP.NET Core Using OAuth 2.0 by Milan Jovanović

Encrypting Properties with System.Text.Json and a TypeInfoResolver Modifier (Part 2) by Steve Gordon

Project Management/Administration

Welcome to the Room by Jeffrey Snove

Shortwave: When institutions stop thinking for themselves by Mike Amundsen

REST/APIs

Sustainable APIs by Alexander Karan

Azure

Auto-install azd extensions in dev containers by PuiChee (PC) Chan

How to Enable Microsoft Entra ID for Azure Cosmos DB (NoSQL) by Sudhanshu Khera

Azure Boards integration with GitHub Copilot includes custom agent support by Dan Hellem

Software Development

Bjarne-s Last Stand: How the Father of C++ Is Fighting a Losing War Against Rust by Henrique Bucher

Code that fits in a context window by Mark Seemann

Essential Rules of Software Engineering by Gérald Barré

Your Idempotent Code Is Lying To You by Derek Comartin

Windows

Microsoft Adds Sysmon To Windows by Slashdot

AI

Using personal instructions in GitHub Copilot Chat by Cassidy Williams

What Senior Engineers Need to Know About AI Coding Tools by Marc Grabanski

How to write a great agents.md: Lessons from over 2,500 repositories by Matt Nigh

Continuous AI in practice: What developers can automate today with agentic CI by GitHub Staff