Blazor Welcomes Open-Source Contributions from Infragistics
<p>Microsoft and Infragistics are collaborating on Blazor through free, open-source components, new .NET 11 analyzers, and developer tooling.</p> <p>The post <a href="https://devblogs.microsoft.com/dotnet/blazor-welcomes-infragistics/">Blazor Welcomes Open-Source Contributions from Infragistics</a> appeared first on <a href="https://devblogs.microsoft.com/dotnet">.NET Blog</a>.</p>
How to Loop Through a List in C#: Every Way, Benchmarked
How to loop through and iterate a List<T> in C# with foreach, for, ForEach, Index(), and spans, plus break, continue, safe removal, and benchmarks.
CQRS with MediatR, Revisited for .NET 10
A 2024 guide to CQRS with MediatR, rebuilt from scratch on .NET 10 instead of patched in place: what MediatR 14's license actually requires in practice, minimal API endpoints and IExceptionHandler replacing the original's placeholder exception behavior, SQLite in memory replacing a mocked DbContext in tests, the Native AOT limitations of reflection-based handler discovery, and a source-generated alternative that sidesteps the license question entirely.
.NET October 2026 Out-of-Band Security Updates
<p>Out-of-band security updates for .NET address the Brotli decoder vulnerability and tarball ownership vulnerability.</p> <p>The post <a href="https://devblogs.microsoft.com/dotnet/dotnet-october-2026-oob-security-updates/">.NET October 2026 Out-of-Band Security Updates</a> appeared first on <a href="https://devblogs.microsoft.com/dotnet">.NET Blog</a>.</p>
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An introduction to Compact Binary Object Representation (CBOR) in .NET
In this post I introduce CBOR as a JSON alternative, and show how to use the System.Formats.Cbor NuGet package to read and write CBOR encoded data
Localize Minimal API Validation Messages in .NET 11
ASP.NET Core 11 localizes Minimal API validation messages. Wire up AddValidation and AddLocalization, add resx files, and return errors per culture.
Get Your .NET MAUI App Ready for Xcode 27
<p>Use an agent skill to prepare your existing .NET MAUI app for Xcode 27, with the scene lifecycle changes and manual migration steps explained.</p> <p>The post <a href="https://devblogs.microsoft.com/dotnet/migrate-dotnet-maui-apps-uikit-scene-lifecycle/">Get Your .NET MAUI App Ready for Xcode 27</a> appeared first on <a href="https://devblogs.microsoft.com/dotnet">.NET Blog</a>.</p>
Bring Your Own Model to the GitHub Copilot SDK with C#
<p>The GitHub Copilot SDK gives your application an agent runtime. BYOK lets you keep that runtime while sending model requests to your own Microsoft Foundry or Azure OpenAI deployment. Here is the complete C# setup.</p> <p>The post <a href="https://devblogs.microsoft.com/dotnet/bring-your-own-model-to-the-github-copilot-sdk-with-csharp/">Bring Your Own Model to the GitHub Copilot SDK with C#</a> appeared first on <a href="https://devblogs.microsoft.com/dotnet">.NET Blog</a>.</p>