Editor's note
I kept this one deliberately mixed, which is usually where the best practical reading shows up. The I/O performance piece and the GC-awareness article are worth pairing because they attack responsiveness from different angles, while Andrew Lock’s look at .NET 11 Process output handling is a nice preview of API polish that solves real pain.
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Today's Articles
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Jasen's take on today's picks
Optimizing I/O Performance in .NET
Useful refresher on the unglamorous bottlenecks that often matter more than algorithm tweaks in production apps.
Building Your First MCP Server in C#: A 2026 Field Guide
MCP is still evolving fast, so a grounded C# field guide is timely if you’re experimenting with agent tooling.
The Fasting Developer: Memory Discipline and GC Awareness in .NET
A thoughtful performance piece that frames memory discipline as latency control, not premature optimization.
Improvements to reading Process outputs: Exploring the .NET 11 preview - Part 5
This is exactly the kind of runtime quality-of-life improvement I like to see in preview coverage.
A Modular Vertical Slice Architecture Starter Kit for Real-World .NET
Good fit for teams that want stronger modular boundaries without jumping straight into full distributed complexity.
How to guide agents during production investigations with .NET CLI
Interesting angle on letting agents drive familiar diagnostics through the .NET CLI rather than inventing new workflows.
How does your domain know your user?
A solid architectural question that gets messy fast if identity concerns leak into the domain model.
Azure Container Apps Tutorial: Deploying Microservices Without Kubernetes
Helpful for developers who want containerized deployment on Azure without taking on Kubernetes overhead day one.
Clean Architecture + Vertical Slice Architecture in .NET
Another useful perspective on combining architectural styles instead of treating them as mutually exclusive camps.
Caddy vs Nginx: Which Web Server Should Developers Choose in 2026?
Not .NET-specific, but relevant infrastructure context for anyone hosting web apps and APIs.
C# PDF Libraries: What 'Free' Really Costs You (2026 Guide) - HackerNoon
Licensing and operational tradeoffs around PDF libraries are easy to underestimate until procurement gets involved.
Stop Over-Fetching: Master EF Core Projections for Faster, Leaner APIs
If your APIs are slow, projections are one of the highest-value EF Core habits to build early.
Delegates and Event in .Net (Understand in 5min)
Basic topic, but still worthwhile when it connects delegates and events to actual usage instead of syntax trivia.
How to Secure APIs with OAuth 2.1 and OpenID Connect
Broad security overview, with OAuth 2.1, OIDC, JWT, and PKCE giving newer API developers a decent map.
EF Core and Azure SQL Database: A Step-by-Step Guide
Practical guide for getting EF Core working cleanly against Azure SQL, including resiliency and passwordless access.