Editor's note
I kept this issue deliberately mixed, with a little AI, a little framework news, and a few practical cleanup posts. The .NET 10 multi-tenant rate limiting piece and the async warning explainer both stand out because they solve problems many teams hit in production. I also included the DI wiring article and the performance post for readers who like the hands-on side of .NET.
AI agents and .NET 10 tips
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Today's Articles
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Jasen's take on today's picks
I Got Tired of DI Wiring in .NET (So I Built AttributedDI)
A custom DI attribute approach for teams tired of repetitive wiring.
Build AI Agents with GitHub Copilot SDK and Microsoft Agent Framework
Copilot SDK meets Agent Framework—this is where .NET AI tooling starts to feel cohesive.
Dotnet Tip: ToList() Vs ToHashSet()
A simple collection choice can make or break production performance.
New in .NET 10 and C# 14: Multi-Tenant Rate Limiting
Useful .NET 10 coverage, especially the new multi-tenant rate limiting angle.
“This async method lacks ‘await’ operators and will run synchronously” — What It Really Means
A clear explanation of the async warning that’s often misunderstood.
Nerding out about covariance and immutability
A nice reminder that covariance and immutability still matter in real code.
Getting Started with C# Programming: A Beginner’s Guide
Good beginner material for absolute newcomers; straightforward and approachable.
Giving Agents a Visual Voice: MCP Apps Support in VS Code
VS Code gets more interesting when agent UIs can surface richer visuals.
Building Agentic AI with Microsoft.Agents.AI: A Getting Started Guide
A practical agentic-AI starter using Microsoft’s newer .NET AI stack.
Why Your .NET Core App Is Slow (And How to Fix It)
Performance bottlenecks in .NET Core, with the usual suspects called out well.
Beyond the Prompt: Designing Stateful AI Experiences in .NET
Stateful AI design is the real challenge after prompt engineering.
.NET Conf Recap: Top announcement and features
A recap worth skimming for the headline features and security notes.












