AI agents, EF Core joins, and performance
A varied .NET roundup covering Copilot testing, Semantic Kernel agents, EF Core LeftJoin/RightJoin, ValueTask, DDD, Identity, and more.
Jasen's top three picks
- 1 Hands On with New Multi-Agent Orchestration in VS Code
visualstudiomagazine.com
VS Code’s multi-agent orchestration makes AI workflows feel less like prompts and more like traceable work.
- 2 C# 13 & .NET 9 — Part 14: Web Services, RESTful API, gRPC, Pagination in APIs, Postman and Swagger
medium.com
A solid REST/gRPC refresher for anyone building APIs, with pagination and tooling basics in the mix.
- 3 Testing for Memory Allocations in Unity
medium.com
If you care about allocations, the Unity testing approach is a useful pattern to steal.
Editor's note
I pulled together a pretty mixed issue this time, which is exactly how I like it. The VS Code multi-agent orchestration piece and the Copilot testing launch both show where .NET tooling is headed, while the EF Core join article is a practical win for day-to-day query work.
Today's articles
Hands On with New Multi-Agent Orchestration in VS Code
visualstudiomagazine.com
A proof of concept shows how multi-agent orchestration in Visual Studio Code 1.109 can turn a fragile, one-pass AI workflow into a more reliable, auditable process by breaking long tasks into smaller,...
Topics: GitHub Copilot OpenAI Visual Studio Code
Read articleC# 13 & .NET 9 — Part 14: Web Services, RESTful API, gRPC, Pagination in APIs, Postman and Swagger
medium.com
This article is based on Chapter 14: Website Development Using MVC Pattern
Read articleTesting for Memory Allocations in Unity
medium.com
How to create a test to know if some code allocates in Unity
Topics: Benchmarking Performance Unit Testing
Read articleUnderstanding Domain-Driven Design (DDD) in .NET
medium.com
Domain-Driven Design is a domain-centric approach that treats the software development process not merely as a coding activity, but as a…
Topics: Clean Architecture Domain-Driven Design Solid Principles
Read articleHow LeftJoin and RightJoin Work in EF Core .NET 10
roundthecode.com
Learn how LeftJoin and RightJoin work in EF Core .NET 10, replacing complex GroupJoin patterns and simplifying left and right joins in LINQ. The page How LeftJoin and RightJoin Work in EF Core .NET 10...
Read articleGitHub Copilot Testing for .NET Brings AI-powered Unit Tests to Visual Studio 2026
devblogs.microsoft.com
GitHub Copilot testing for .NET is now generally available in Visual Studio 18.3. This AI-powered testing experience helps you generate, build, fix, and run unit tests quickly and efficiently. With fl...
Topics: GitHub Copilot Unit Testing Visual Studio
Read articleWhy Enterprises Prefer .NET Development Services: Real Industry Insights & Benefits
medium.com
In a digital-first world where performance, security, and scalability matter more than ever, enterprises are constantly evaluating the…
Topics: ASP.NET Core .NET Core Security
Read article.NET Performance Superpower: Understanding ValueTask (and When Not to Use It)
medium.com
.NET Performance Superpower: Understanding ValueTask (and When Not to Use It)
Topics: .NET Core Performance
Read articleDotnet Core Identity With .NET CLI
ravindradevrani.medium.com
Aspnet core identity provides an UI to registration, login, manage users, password, external authentication (google, twitter, facebook…
Topics: ASP.NET Core Authentication .NET Core
Read articleReady to explore how AI is transforming the .NET world?
medium.com
🚀 Ready to explore how AI is transforming the .NET world? Join our FREE workshop on AI with .NET and discover why .NET developers are in…
Topics: Azure OpenAI Semantic Kernel
Read articleWhat is Semantic Kernel and how does it help build AI agents in .NET?
c-sharpcorner.com
Semantic Kernel simplifies AI agent creation in .NET. This open-source SDK connects your code to AI models, enabling powerful features like RAG, plugins, and more.
Topics: AOT OpenAI Semantic Kernel
Read articleA Comprehensive Technical Analysis of .NET Framework and Modern .NET
medium.com
What Is A Message Queue? RabbitMQ + MassTransit Integration in .NET 8
Topics: .NET Core .NET Framework Service Bus
Read articleI Misused C# Records for 12 Months — The Painful Lessons Real Production Code Taught Me
blog.stackademic.com
Why my obsession with immutability backfired in ASP.NET Core projects, broke EF Core tracking, and forced a refactor I never saw coming. Continue reading on Stackademic »
Topics: C# EF Core Solid Principles
Read article