The .NET News Daily Issue #455

https://devblogs.microsoft.com/oldnewthing/20260504-00/?p=112296

A customer wanted to know how to inform Windows that they were opening a file in text mode, as opposed to binary mode. That way, Windows can perform text conversions as necessary, like adding carriage...

https://devblogs.microsoft.com/python/introducing-apache-arrow-support-in-mssql-python/

mssql-python now supports fetching SQL Server data directly as Apache Arrow structures - a faster and more memory-efficient path for anyone working with SQL Server data in Polars, Pandas, DuckDB, or a...

https://visualstudiomagazine.com/articles/2026/05/07/mcp-magic-building-tool-enabled-ai-agents-with-csharp.aspx

Rockford Lhotka previews his Visual Studio Live! San Diego session, "MCP Magic," and explains why the Model Context Protocol is becoming a key building block for AI agents. In this Q&A, ...

https://medium.com/@satnamgoldi/memory-gc-the-clr-what-every-net-performance-engineer-must-know-138684da9ec3?source=rss------dotnet-5

Before you open a profiler, before you start tuning code, you need to understand what’s actually happening under the hood.

https://blog.elmah.io/pattern-matching-in-c-advanced-scenarios-you-didnt-know/

table of contents Pattern matching is not just condition checking. It reflects how you think as a developer. Matching and validation can be achieved in a naive, descriptive way. However, a cleaner app...

https://blog.stackademic.com/10-hidden-features-in-c-that-will-make-you-a-better-developer-63ad802aaffa?source=rss------csharp-5

Most developers learn the basics of C# and stop at classes, loops or maybe a bit of LINQ. But C# has evolved a lot over the years and many… Continue reading on Stackademic »

https://medium.com/@feldyjudahk/simple-multithreading-in-c-with-a-practical-example-net-10-1af4495d2799?source=rss------dotnet-5

Multithreading is a fundamental concept in modern programming that allows applications to perform multiple operations concurrently.

https://www.roundthecode.com/dotnet-tutorials/how-to-migrate-controllers-to-minimal-apis

Learn why Minimal APIs are now recommended in .NET and follow a step-by-step guide to migrate from controllers to Minimal APIs with versioning and Swagger. The page How to migrate from controllers to ...

https://azure.microsoft.com/en-us/blog/enforcing-trust-and-transparency-open-sourcing-the-azure-integrated-hsm/

As cloud workloads become more agentic and AI systems handle increasingly sensitive data, trust must be engineered directly into infrastructure. Azure Integrated HSM brings hardware‑enforced key prote...

https://blog.jermdavis.dev/posts/2026/content-hub-entity-image

I've been spending some time setting up some custom Entities in Content Hub recently. I bumped up against an issue with one feature where it took me a while to find the right info to make it work the ...

https://medium.com/@mariammaurice/how-to-use-domain-driven-design-in-clean-architecture-6b21de280cd8?source=rss------dotnet-5

A Practical Guide for .NET 10 Developers Building Enterprise-Grade Systems

https://www.poppastring.com/blog/what-we-lost-the-last-time-code-got-cheap

I worked at a startup in Toledo called Heartland Information Services. We provided transcription services to some of the biggest hospitals in the United States, and we weren't small. Heartland was one...

https://www.c-sharpcorner.com/article/difference-between-valuetask-and-task-in-c-sharp-with-performance-use-cases/

Explore Task vs. ValueTask in C# async programming. Learn when to use ValueTask for performance gains by minimizing memory allocation in high-throughput scenarios. Task is simpler and safer!

https://medium.com/mr-plan-publication/i-built-my-own-cross-platform-media-player-2d23d38a2ebf?source=rss------csharp-5

For a long time, media players felt like one of those things that already existed. Continue reading on Mr. Plan ₿ Publication »