Editor's note
I pulled together a deliberately mixed lineup this time, from performance and platform updates to tooling and architecture. The ZLinq piece and the Visual Studio 2026 preview stood out to me because both point to where day-to-day .NET work is getting faster. I also liked the OpenTelemetry tracing article for teams trying to make distributed systems easier to observe.
LINQ, Blazor, and VS 2026
Jasen Fici
October 06, 2025
If Mondays were a software update, they'd be the one that optimizes your productivity and fixes last week's bugs. So, fellow .NET aficionados, fasten your seatbelt as this issue cruises through the latest innovations and practical insights in the .NET world. Like a reliable vintage car with the charisma of classic rock, this newsletter will fuel your week with knowledge and inspiration, ready to rev at each red light you face.
Today's Articles
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Jasen's take on today's picks
Supercharging LINQ in C#: A Practical Guide to Cysharp ZLINQ
ZLinq is worth a look if you care about shaving allocations and understanding where LINQ abstractions cost you.
Blazor Enhancements in Asp.Net Core 10.0
ASP.NET Core 10 Blazor updates focus on startup, state, Hybrid, validation, QuickGrid, and security — a practical release summary.
Zero-Cost, Insurance Quote App in .NET 8 with Azure DevOps Zip Deploy
The Azure DevOps Zip Deploy walkthrough is refreshingly accessible for teams wanting CI/CD without expensive tooling.
Visual Studio 2026 preview hints at a much faster, more AI-assisted daily workflow, especially with Copilot features.
How to Automate Tasks in Azure Using Logic Apps with C#
Logic Apps plus C# is a solid reminder that Azure automation often works best when low-code and code-first meet.
Records are still one of C#’s cleanest tools for immutable data, and this short piece keeps the concept approachable.
Programmatically Writing String or Any Content to a File in C#.NET
Writing content to files in C# is basic, but it’s the kind of utility work that quietly powers real applications.
End-To-End Traces with OpenTelemetry and .NET
OpenTelemetry tracing gets practical here, connecting the dots from metrics to end-to-end observability.
Azure IIS Setup: Installing a Free Let’s Encrypt SSL Certificate
A free Let’s Encrypt SSL setup on Azure IIS is the kind of security task people need documented step by step.
Delegates remain a foundational C# feature, and this article shows why they still matter for extensibility and testability.
Top C# Features You’re Probably Not Using (But Should Be) for Better .NET Development
The “features you’re not using” roundup is useful because it nudges experienced developers toward better defaults.
Claude Sonnet 4.5 is here in VS Code!
The VS Code Claude Sonnet 4.5 video is a timely AI-tooling watch for anyone following editor-assisted coding.
Dear C# Developers, Just #@!&ing Learn JavaScript Already
The JavaScript rant is more opinionated than technical, but it’s a fun contrast to the otherwise pragmatic lineup.
I Built a C# WPF Password Manager, and GitHub Copilot Wrote 100% of the Code
Copilot writing a WPF password manager is an eye-catching experiment, even if you’d still want to review every line.
C# ASP.NET Developer Roadmap 2025 —
The ASP.NET developer roadmap is a good career-oriented checkpoint for newer developers mapping their next steps.
Lazy Initialization in C#: Improve Performance with Lazy
Lazy
The Rise of AI in .NET: How Microsoft Is Turning C# into an AI-First Platform
The AI-first .NET article frames Microsoft’s current messaging clearly, even if you’ll want to separate hype from reality.
Domain Validation With .NET | Clean Architecture, DDD, .NET 9
Domain validation with Clean Architecture and DDD is a solid fit for teams formalizing business rules in .NET 9.
Dockerfile for a .NET 9 Web API Application
The Dockerfile guide is practical and immediately useful for anyone containerizing a .NET 9 Web API.
OOP in C#: A Beginner’s Guide to Thinking in Objects
The OOP beginner guide stays grounded in core thinking patterns, which still helps when teaching or mentoring.
Understanding .NET Worker Services
Worker Services are one of the most useful .NET building blocks for background jobs, queues, and processing pipelines.
Custom CQRS Without the Mediator: Building a Clean, Extensible Pipeline
The CQRS-without-Mediator piece is especially timely for teams rethinking dependencies and pipeline design.