The .NET News Daily Issue #303

Your Daily Dose of .NET Insights, Tools, and Trends

Tuesday greets us with the clarity of a well-named variable—no time for bugs, just pure logic. As you sip your coffee and contemplate the intricacies of .NET's latest features, find solace in the fact that today is the day for seasoned developers like us to ponder the finer points of code optimization and architectural elegance. So, pull up a comfy chair, and let's explore insights that are sure to refine your craft. Remember, in the world of .NET, every line of code is a story waiting to be perfected.

Today's Articles

The Latest AI Features in VS Code (v1.105)

https://www.youtube.com/watch?v=EGZKvuB5jWw

The Clean Architecture Spectrum: 5 Levels for .NET Systems (CRUD to Hexagonal)

https://levelup.gitconnected.com/the-clean-architecture-spectrum-5-levels-for-net-systems-crud-to-hexagonal-5b060b7bb7d4

Clean Architecture isn’t binary. Here’s how to choose the right level of structure for your team’s real complexity. Continue reading on Level Up Coding »

Make JSON Fast Again in .NET

https://blog.stackademic.com/make-json-fast-again-in-net-ea077d118ace

System.Text.Json performance patterns: source-gen, Utf8JsonReader, UnsafeRelaxedJsonEscaping, and buffer reuse. Continue reading on Stackademic »

.NET 9: The Ultimate Platform for Microservices

https://medium.com/@sakshisingh12310113/net-9-the-ultimate-platform-for-microservices-25b71f71cd4a

Blazing fast. Secure by default. Built for the cloud.

Visual Studio Dev/Test Benefit Explained

https://devblogs.microsoft.com/visualstudio/visual-studio-dev-test-benefit-explained/

Before joining Microsoft, I served as VP of Application Development at one of the largest temporary staffing companies in the United States. I’ll never forget the look on our CFO’s face when I told hi...

Defensive Programming with Microsoft .NET: Anticipate Errors and Eliminate Bugs

https://dotnettips.wordpress.com/2025/10/08/defensive-programming-with-microsoft-net-anticipate-errors-and-eliminate-bugs/

This discusses the principles of defensive programming to enhance software development. It emphasizes error prevention strategies such as input validation, comprehensive error handling, and assumption...

The .NET 9 Concurrency Model Nobody’s Talking About — Yet

https://levelup.gitconnected.com/the-net-9-concurrency-model-nobodys-talking-about-yet-2adf228d8dd2

Task Parallelism vs Dataflow vs Channels vs MCP — and how Microsoft is quietly arming .NET for agentic workloads Continue reading on Level Up Coding »

What the .NET Ecosystem Lacks Today Isn’t Code: It’s Vision

https://medium.com/@Lidia-Rodriguez/what-the-net-ecosystem-lacks-today-isnt-code-it-s-vision-9a31e7d67831

.NET doesn’t need saving or reinvention —  it needs direction.

The Specification Pattern in C#: Write Cleaner, More Maintainable Queries

https://medium.com/@cnkamanyi/the-specification-pattern-in-c-write-cleaner-more-maintainable-queries-c8a151431c6a

Stop copying and pasting LINQ queries. Start writing reusable, testable specifications.

Top 10 custom .net development service Providers in USA in 2025

https://medium.com/@naitik.sharma/top-10-custom-net-development-service-providers-in-usa-in-2025-1c1690037184

Introduction

PLINQ in .NET: Supercharging LINQ with Parallelism

https://medium.com/@karthikns999/plinq-in-net-supercharging-linq-with-parallelism-cadfc5e11099

When performance meets simplicity

ASP.NET Community Standup - Level up eShop with Blazor in .NET 10

https://www.youtube.com/watch?v=VEuoNhFvegQ

On .NET Live | Infrastructure as Code with Pulumi

https://www.youtube.com/watch?v=4ljqB21s5L8

I Removed Half the Glue Code From My .NET System — With One Dapr Sidecar

https://towardsdev.com/i-removed-half-the-glue-code-from-my-net-system-with-one-dapr-sidecar-543040beaa31

It’s like using microservices with cheat codes enabled. — Mohammad Shoeb Continue reading on Towards Dev »

The Painful Truth About Over-Abstraction in C# — And How to Fix It

https://medium.com/@nagarajvela/the-painful-truth-about-over-abstraction-in-c-and-how-to-fix-it-33dba620a180

Practical fixes for leaner C#.

7 Ruthless EF Core Tweaks That Made My Query 233× Faster (with a Clean .NET 9 Example)

https://medium.com/@michaelmaurice410/7-ruthless-ef-core-tweaks-that-made-my-query-233-faster-with-a-clean-net-9-example-0af0e8db74eb

Look, EF Core is awesome… until it quietly turns your app into a potato. The good news? You don’t need a PhD to make it fly. I took a…

Integrating GitHub Copilot with Playwright

https://www.c-sharpcorner.com/article/integrating-github-copilot-with-playwright/

This article provides a step-by-step approach to integrating Copilot into your Playwright workflow, covering IDE setup, resilient locators, Page Object Model implementation, CI/CD integration with Git...

Use CancellationTokens

https://steven-giesel.com/blogPost/080baaef-27d4-4d98-b0a8-9c3ab96c335e

This is a very small blog post on why you should use CancellationTokens in your API.

Step-By-Step C# Scripting Guide For Unity Beginners

https://medium.com/@muhammadafaq395/step-by-step-c-scripting-guide-for-unity-beginners-421bffdf3354

C# scripting plays a crucial role in modern game development and software programming due to its simplicity, power, and versatility.

7 Practical Steps to Validation with MediatR + FluentValidation (Clean Architecture, .NET 9)

https://medium.com/@michaelmaurice410/7-practical-steps-to-validation-with-mediatr-fluentvalidation-clean-architecture-net-9-9cd096865f70

You don’t need a cathedral of abstractions to validate requests. With MediatR and FluentValidation, you get clean, centralized validation…