Editor's note
I kept this issue deliberately mixed, from language and architecture pieces to practical upgrade and tooling write-ups. The C# becoming JavaScript debate and the .NET 9 compatibility article stood out to me because they reflect the tension between language evolution and real-world migration work.
C# language debates and .NET 9 guidance
Jasen Fici
March 25, 2025
In the grand coding garage of life, Tuesday is the reliable SUV—unassuming but packed with the horsepower to tackle steep inclines and rugged terrain. Today, we slide into the driver's seat of our .NET newsletter, ready to explore a roadmap filled with insightful articles that will turbocharge your development skills. As seasoned pros, we know that innovation isn't just a destination, it's a journey; let this be your pit stop for rich insights and fresh perspectives. Buckle up and take the wheel—adventure awaits, and the road less traveled is freshly paved with .NET possibilities.
Today's Articles
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Jasen's take on today's picks
A provocative take on language evolution; worth reading even if you don’t agree with the premise.
A concise refresher on a core design principle that still shapes maintainable .NET code.
Redis part II : Scalable Session Management in .NET 9 and Blazor
Practical Redis guidance for stateful web apps, especially if you’re balancing scale with user sessions.
Revolutionizing Memory Management in C#: Mastering Inline Arrays
A deep dive into inline arrays that should interest anyone chasing lower allocations and tighter memory layouts.
.NET 9 Compatibility: What to Watch Out for When Upgrading
Useful upgrade notes for teams moving to .NET 9 and trying to avoid compatibility surprises.
Putting Tasks in a Cache, and Computing Only Once, when Requested
An interesting pattern for avoiding duplicate work when multiple requests race for the same cached result.
Learning C#: Introduction to Loops
A gentle starter on loops, aimed at readers still building C# fundamentals.
Use AI to Predict Stock Performance and Outperform the S&P 500 by 5% Annually
An ambitious AI/finance piece; the claims are eye-catching, but treat the methodology carefully.
Using Icon Fonts in MAUI .NET 9 [GamesCatalog] - Part 7
A UI-focused MAUI installment that shows how small presentation details still matter in shipped apps.
Overview of advanced security in ASP.NET
A solid overview of modern ASP.NET security concerns and the tooling that helps address them.
Self-Serve Restoration in Microsoft Dev Box
A cloud-dev convenience feature that could save time for teams using Microsoft Dev Box daily.
Why MCP Is a Game‑Changer for .NET AI Developers (with Code!)
A timely look at MCP for .NET AI work, with code examples that make the concept easier to grasp.
Build, Deploy , Scale your .Net 9 applications the easy way using Github and Heroku
A straightforward deployment path for .NET 9 teams already using GitHub and looking for simpler hosting.
Understanding CQRS in .NET: A Practical Guide
A practical CQRS explainer that should help teams decide where the pattern actually fits.
Understanding .NET Performance with Benchmark.NET: A Comprehensive Breakdown of Each Metric
A detailed BenchmarkDotNet walkthrough that’s especially useful when you need to interpret numbers correctly.
Advanced Security Tools for Modern .NET Development
Security tooling tends to be under-discussed, so this roundup helps fill that gap for modern .NET shops.
A quick interface primer; best for newcomers or anyone revisiting the basics.
C# in .NET 9: New Language Features You Need to Know
A good summary of new C# features in the .NET 9 wave and what they mean in day-to-day code.
Copilot Pages is still emerging, but it’s worth watching for teams standardizing AI-assisted workflows.
MediatR in .NET CQRS: Why It’s Key to CQRS in .NET and How It Works
MediatR remains a common CQRS companion, and this piece explains why it keeps showing up in real projects.