The .NET News Daily Issue #446

https://devblogs.microsoft.com/agent-framework/chat-history-storage-patterns-in-microsoft-agent-framework/

When people talk about building AI agents, they usually focus on models, tools, and prompts. In practice, one of the most important architectural decisions is much simpler: where does the conversation...

https://devblogs.microsoft.com/dotnet/dotnet-10-0-7-oob-security-update/

We are releasing .NET 10.0.7 as an out-of-band (OOB) update to address a security issue introduced in Microsoft.AspNetCore.DataProtection Security update details This release includes a fix for

https://antondevtips.com/blog/building-file-based-apps-in-dotnet-with-multi-file-support

Learn how to build file-based apps in .NET 10 and .NET 11 Preview 3. This guide covers single-file C# scripts, multi-file apps with the #:include directive, including SDK, including project files and

https://melkisetoglu.medium.com/caching-a-geo-restricted-app-without-the-cache-exploding-4b0c00d1410e?source=rss------dotnet-5

A small .NET pattern that’s really just a small idea — and works in any web stack.

https://www.c-sharpcorner.com/article/difference-between-ref-and-out-parameters-in-c-sharp-with-examples/

Unlock the power of ref and out parameters in C#! Master passing arguments by reference, modifying existing values with ref, and returning multiple values with out. Enhance your C# coding skills!

https://medium.com/@rustemsoft/obfuscator-code-virtualization-d3910c36df3d?source=rss------dotnet-5

A practical guide to protecting .NET applications

https://medium.com/@sweetondonie/string-vs-json-vs-object-in-net-why-beginners-get-confused-67e949d88b59?source=rss------csharp-5

When I started working with APIs in .NET, this was one of the most confusing things:

https://unicorn-dev.medium.com/ai-integrations-rely-or-verify-checking-semantic-kernel-a07f71b1f11a?source=rss------csharp-5

Semantic Kernel is a Microsoft’s SDK for integrating AI models into applications.

https://medium.com/@sainitesh/do-agent-skills-actually-save-tokens-with-vs-without-skills-loading-in-microsoft-agent-framework-98d1f0ade703?source=rss------dotnet-5

After exploring agent sessions, I wanted to dig into how the Microsoft Agent Framework handles domain knowledge. The question was: if I…

https://devblogs.microsoft.com/oldnewthing/20260423-00/?p=112261

Some time ago, I noted that any sufficiently advanced uninstaller is indistinguishable from malware.¹ During one of our regular debugging chats, a colleague of mine mentione

https://devblogs.microsoft.com/dotnet/writing-nodejs-addons-with-dotnet-native-aot/

C# Dev Kit is a VS Code extension. Like all VS Code extensions, its front end is TypeScript running in Node.js. For certain platform-specific tasks, such as reading the Windows Registry, we've histori...

https://www.spreaker.com/episode/how-we-beat-the-y2k-bug--71580154

The Y2K bug turned out to be a non-event on January 1, 2000. How did that happen? Carl and Richard bring together a number of stories from folks who were there, fixing the software and updating system...