The .NET News Daily Issue #292

https://askxammy.com/say-goodbye-to-the-fontimageextension-in-net-maui-%f0%9f%91%8b/

For quite some time, the FontImageExtension has been used to display font icons inside controls. But, as part of the news in .NET 10 for .NET MAUI, this extension is now deprecated, which means you sh...

https://levelup.gitconnected.com/the-builder-pattern-in-net-c-from-complex-constructors-to-fluent-apis-2025-ea46d3cd27fb

Master Pattern Builder in .NET C#: Evolution from complex constructors to modern fluent APIs with practical examples. Continue reading on Level Up Coding »

https://medium.com/@ashokreddy343/one-line-40-faster-the-ef-core-fix-every-net-developer-should-know-d8be70f45a59

See how a simple code adjustment led to a huge performance jump — without rewriting queries or upgrading infrastructure.

https://www.youtube.com/watch?v=dje8EMF3Shc

https://www.c-sharpcorner.com/article/unit-testing-for-a-net-web-api-project/

Master unit testing for .NET Web API projects! This guide covers setup with xUnit, NuGet package installation (FluentAssertions, Moq), and structuring your solution. Learn to write effective unit test...

https://medium.com/@kittikawin_ball/background-services-in-net-ihostedservice-vs-worker-service-08f659211ecd

IHostedService vs Worker Service: A Detailed Guide for .NET Developers to Choose the Right Background Service Approach.

https://blog.stackademic.com/stop-ignoring-options-5-cleaner-and-safer-configurations-in-net-d917b7dab710

Small .NET features, big impact, master configuration, runtime switches, and testable time without headaches. Continue reading on Stackademic »

https://medium.com/c-sharp-programming/c-12-features-i-actually-use-in-production-and-which-ones-i-ignore-25da7b02a728

A practical look at what stuck and what stayed on the shelf Continue reading on .Net Programming »

https://medium.com/@ekastimo/zero-downtime-transition-from-identityserver4-to-keycloak-ef32b8ffcc46

Introduction

https://towardsdev.com/sql-server-2025-isnt-just-a-database-it-s-your-new-ai-platform-5459d8a31f0c

Tired of managing a dozen different services just to add AI features like semantic search or RAG to your application? SQL Server 2025 is… Continue reading on Towards Dev »

https://devblogs.microsoft.com/dotnet/announcing-dotnet-aspire-95/

Aspire 9.5 adds the preview 'aspire update' command, single-file AppHost, richer CLI and dashboard UX, and new integrations for AI, DevTunnels, and more. The post Announcing Aspire 9.5 appeared first...

https://medium.com/@nagarajvela/the-ultimate-beginners-guide-to-6-hidden-c-features-76dba43bc38b

Boost your skills with these under-the-radar tools and examples. Continue reading on Towards Dev »

https://medium.com/@zaynhere2025/why-dot-net-is-a-must-for-modern-developers-9c5874e9758c

Introduction: Embracing Dot Net in Today’s Tech World

https://devblogs.microsoft.com/dotnet/explore-text-to-image-dotnet/

Learn how to generate images from natural language prompts using the universal abstractions in Microsoft's extensions for .NET AI. The post Exploring Text-to-Image capabilities in .NET appeared first...

https://medium.com/@venkataramanaguptha/the-options-pattern-in-net-a-complete-guide-4c00e59392d4

Introduction

https://itnext.io/how-i-fixed-a-net-dashboard-that-got-300-slower-overnight-c7286acb34be?source=rss------dotnet-5

Query Store helped me trace regressions, plan changes, and missing indexes — no APM or guesswork required. Continue reading on ITNEXT »

https://blog.stackademic.com/how-to-secure-your-c-applications-best-practices-code-examples-6f656ba40673

Why Security Should Be Your Top Priority Continue reading on Stackademic »

https://damienbod.com/2025/09/23/implement-a-secure-mcp-server-using-oauth-and-entra-id/

The article shows how to implement a secure model context protocol (MCP) server using OAuth and Entra ID. The MCP server is implemented using ASP.NET Core and uses Microsoft Entra ID to secure the API...