The .NET News Daily Issue #449

https://www.pietschsoft.com/post/2026/04/29/csharp-dotnet-performance-what-to-optimize-first

You open a profiler, squint at the code, and ask: “Why is this slow?” Before you even finish the thought, someone — or an AI assistant — suggests switching from List<T> to Span<T>, or inlining a...

https://www.pietschsoft.com/post/2026/05/01/csharp-dotnet-cleanest-way-to-add-cross-cutting-concerns

Logging, validation, caching, retries, authorization, telemetry, auditing. Every non-trivial .NET application accumulates cross-cutting concerns — behavior that applies broadly but doesn’t belong in t...

https://devblogs.microsoft.com/dotnet/high-performance-distributed-caching-dotnet-postgres-azure/

Adding caching to your application architecture can significantly improve key performance metrics, cut latency, and reduce load across downstream systems. In this walkthrough, we highlight the latest ...

https://medium.com/@gr.ramesh025/inside-multithreading-memory-layout-and-kernal-execution-f6c75e15ac9d?source=rss------dotnet-5

Kernel Executing Code — Why Page faults, TLB Mises, False Sharing

https://medium.com/@parani2002/scaling-background-jobs-in-net-how-we-tuned-hangfire-workers-for-high-load-processing-485819978cc9?source=rss------dotnet-5

In modern .NET applications, background job processing plays a key role in handling long-running tasks such as document processing, email…

https://dotnettips.com/2026/05/03/rock-your-code-i-let-ai-build-a-visual-studio-extension-heres-what-really-happened/

In March 2026, I challenged GitHub Copilot to build a Visual Studio extension, "Version Sync," from scratch without coding. Despite initial failures and needing extensive feedback, it succee...

https://medium.com/@mahdi.com.haidar/stop-guessing-how-net-manages-memory-f91b127d7dcf?source=rss------csharp-5

A practical guide to Stack, Heap, Garbage Collection, generations, SOH, LOH, and why your app might throw OutOfMemoryException even when…

https://alimumtaz205.medium.com/managed-vs-unmanaged-code-why-it-matters-in-net-development-5dbc80e41952?source=rss------dotnet-5

Ever wondered why you do not have to worry about memory leaks in C# most of the time, while a C++ developer has to spend a lot of time…

https://malshikay.medium.com/kafka-consumer-group-pattern-in-net-a-simple-guide-with-a-real-world-example-101ceff0ecfb?source=rss------dotnet-5

When building applications with Apache Kafka, one of the most powerful patterns is the Consumer Group Pattern.

https://medium.com/@umairg404/net-11-vs-net-10-faster-smarter-and-quietly-powerful-664c6df5048a?source=rss------dotnet-5

Every year, Microsoft pushes .NET forward — and this time, .NET 11 is shaping up to be less about hype… and more about serious refinement.

https://devblogs.microsoft.com/cosmosdb/welcome-to-azure-cosmos-db-conf-2026/

Today is the day. Azure Cosmos DB Conf 2026, in partnership with AMD, is a free virtual developer event focused on building modern, scalable applications with Azure Cosmos DB. The

https://medium.com/@pavanpitthdiya/dependency-injection-in-c-complete-guide-with-real-examples-constructor-setter-method-ad879b45acff?source=rss------csharp-5

If you’re building scalable .NET applications, Dependency Injection (DI) is not optional — it’s foundational.

https://wiemksaier.medium.com/net-threads-tasks-async-await-what-actually-happens-under-the-hood-a3dc7524bcbd?source=rss------dotnet-5

Most developers use async/await daily.