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Issue 32 · October 27, 2026Out-of-band security updates for .NET 8, 9 and 10 alongside .NET 11 RC3, plus Microsoft.UI.Reactor for C#-first WinUI, PipeReader JSON in .NET 10, async validation in .NET 11 and new Visual Studio 18.11 workflow features.Read Issue 32 on dotnet.news
  1. .NET October 2026 Out-of-Band Security UpdatesRahul Bhandari · .NET Blog
  2. Microsoft.UI.Reactor: a C#-first way to build WinUI appsAlexandre Zollinger Chohfi · Microsoft Dev Blogs
  3. Memory-efficient JSON in .NET 10 web APIs with PipeReaderAli Hamza Ansari · blog.elmah.io
  4. Are Async Database Inserts Really Faster in .NET?David McCarter · dotnettips.com

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Guide · 6 steps · 25 articlesAI agents and MCP in .NETBuild AI agents and MCP servers in C#: a step-by-step reading path through Microsoft.Extensions.AI, the MCP C# SDK, Agent Framework, AG-UI and AI evaluation.
  1. Start with the building blocks
  2. Build an MCP server
  3. Build agents with Microsoft Agent Framework
Start the guideLatest postMake your .NET app capture its own memory dumpBased on Aaron Powell, .NET Blog