Editor's note
I curated a mixed issue this time, with runtime, data, auth, and AI pieces all in the same lineup. The CLR overview is a solid refresher, and the Keycloak/OpenID Connect article is especially useful for teams that need LoA-aware login flows. I also liked the SQL client migration note for its practical urgency, alongside the MAUI and local AI posts that point to where the platform is headed.
CLR internals, auth, EF Core
Jasen Fici
July 09, 2025
Welcome to the midweek .NET rendezvous, where the code is sharp and your humor even sharper. It's Wednesday, or as we like to call it, the developer's 'aha' moment—the point where you masterfully tweak that rogue piece of code that's been pestering you since Monday. With today's newsletter, we've assembled a sizzling set of insights and trends that will invigorate your project toolbox, almost as satisfying as watching your favorite classic muscle car roar to life—rest assured, your .NET skills will shine with the experience of a seasoned driver. Let's keep the engines running and discover what's next in the .NET world!
Today's Articles
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Jasen's take on today's picks
Common Language Runtime (CLR) in .NET
A refresher on CLR basics and how the runtime fits together.
A practical walkthrough for higher-assurance OpenID Connect flows with Keycloak.
Why You Must Switch from System.Data.SqlClient to Microsoft.Data.SqlClient Now
Worth the switch reminder if you're still on the old SQL client package.
IEnumerable vs IQueryable in C# — What Every .NET Developer Should Know
A useful compare-and-contrast on deferred execution and query translation.
Build a RESTful Student Info API with ASP.NET MVC & C#.NET
A straightforward API build article for newer ASP.NET MVC readers.
Deploying IP Address Management (IPAM) in Azure
An Azure deployment piece that leans into infrastructure planning.
File based apps in .NET (dotnet run app.cs )
A neat look at file-based apps and the newer script-like .NET workflow.
.NET Versioning: A Complete Guide to Major.Minor.Build.Revision
Helpful if you want a clearer grasp of .NET version numbers in releases.
One at a Time or All at Once? C# Concurrency and Parallel
Concurrency guidance that should help when choosing between sequential and parallel work.
AutoMapper and MediatR Commercial Editions Launch Today
Commercial licensing news for two widely used libraries, with ecosystem impact.
Is developing for Linux on Windows feasible?
A perspective piece on Linux development from a Windows workstation.
.NET MAUI Community Standup - Blazor for Mobile with AI? Here's how.
A MAUI standup worth watching if you're tracking Blazor and AI on mobile.
Organizing Entity Configurations with IEntityTypeConfiguration in Entity Framework Core
Good structure advice for keeping EF Core configurations tidy.
Harnessing the Options Pattern in .NET for Your Legal Practice Management App
A pattern-focused article for managing app settings cleanly.
Local AI + .NET = AltText Magic in One C# Script
A fun local AI script demo that shows practical .NET + models usage.
10 Common Mistakes Developers Make with Entity Framework Core (and How to Fix Them)
A checklist of common EF Core mistakes and how to avoid them.
A Typical Day in the Life of a Prompt Engineer: A Theoretical Perspective
A theoretical prompt-engineering piece that sits more on ideas than implementation.