Editor's note
I kept this issue deliberately mixed, which is usually where the most useful reading shows up. Meziantou’s OpenTelemetry context propagation piece is practical distributed-systems advice, and Andrew Lock’s look at Blazor web workers is an early preview worth watching if UI responsiveness matters. There’s also a solid low-level performance item on replacing byte-array allocations with ReadOnlySpan and a thoughtful critique of why sagas often feel wrong in practice.
Spans, Blazor workers, and tracing
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Today's Articles
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Jasen's take on today's picks
Removing byte array allocations using ReadOnlySpan
A useful reminder that span-based APIs can remove allocations without requiring the latest runtime.
Using configurable token lifetimes in Microsoft Entra ID, .NET and Microsoft Graph
Good, concrete identity plumbing if you manage token behavior with Entra ID and Microsoft Graph.
Refactoring an ASP.NET Core API with clean architecture
Clear walkthrough for splitting API concerns into cleaner layers without turning the app inside out.
514: Running Local LLMs in VS Code
Interesting if you're weighing local AI workflows in VS Code against cloud-hosted model access.
C#: How to Refactor Legacy Code Safely
Safe legacy refactoring advice stays timeless: isolate risk, add coverage, then change behavior carefully.
How to Integrate a RESTful SMM Panel API using C# and HttpClient
Very practical HttpClient integration piece, though the domain is niche compared to the underlying REST patterns.
Propagating OpenTelemetry context in .NET
One of the more immediately useful observability reads here; context propagation mistakes are easy to miss.
The Misleading IndexOutOfRangeException That Means “Your List Isn’t Thread-Safe”
A nice cautionary debugging story about concurrency symptoms surfacing as misleading exceptions.
Fixing a Blazor App with VS Code's New Agent Browser Sharing
Shows where VS Code’s agent/browser sharing is becoming more usable for real UI troubleshooting.
Running background tasks in Blazor with Web Workers: Exploring the .NET 11 preview - Part 1
Early preview coverage, but the Blazor Web Worker story is worth tracking for CPU-heavy client apps.
What's new in Microsoft Foundry | April 2026
Mostly platform-update material, but relevant if you follow local model inference and Microsoft’s AI stack.
Basic EF Core learning content for ASP.NET Core newcomers.
Strong architectural pushback on saga assumptions and compensating-action folklore.













