Copilot CLI, AG-UI, and .NET 11 Performance

Copilot CLI

YapCast – Jesse Liberty

tl;drGitHub Copilot CLI is a terminal-native, agentic coding assistant that brings GitHub Copilot’s AI into your shell. Instead of only offering completions in an editor, Copilot CLI lets you ask natu...

Topics: GitHub Copilot

RockBot with Rocky Lhotka

.NET Rocks! - Carl Franklin

How about a cloud-native AI assistant? That's RockBot! Carl and Richard talk with Rocky Lhotka about RockBot, Rocky's own variant of the OpenClaw/Hermes type personal assistant. Rocky talks about bein...

Performance improvements in .NET 11

C# Digest - [email protected] (Jakub Chodounsky)

.NET 11 brings hundreds of small performance improvements across the runtime and libraries

Topics: Performance

No, really, you need to pass all unhandled messages to DefWindowProc, part 2

Microsoft Dev Blogs - Raymond Chen

A customer reported a memory leak in Windows that occurred when they called Register­Drag­Drop followed by Revoke­Drag­Drop. They included a time travel trace of a sample program that demonstrated the...

Topics: Profiling

What Is AG-UI (Agent-User Interaction Protocol) and How to Use It in .NET Agentic Applications?

Medium - Rositsa Fakalieva

In short, AG-UI stands for Agent-User Interaction Protocol.

CQRS in .NET 8: A Pragmatic, Copy-Pasteable Setup

Medium - Santanu Chandra

No smart title, no magic — just a working CQRS implementation you can drop into a real project today.

Topics: CQRS .NET 8

Today I will... debug a production crash

Microsoft Dev Blogs - Aaron Powell

We've all experienced this, the desktop application is hanging, the window is greyed out, and we're just waiting for it to start to respond. Or we're on a website and are sure that it was going to loa...

Topics: Profiling Visual Studio

.NET 11 Runtime Async: Faster Layers, Slower Single Calls

Medium - Tolga YILDIZ

Two separate benchmark families, verified compiler activation, and the limits of cleaner stack traces in RC1.

Topics: Benchmarking Performance

23 GoF Design Patterns — Part 1: Creational and Structural Patterns

Medium - Pavan pitthdiya

If you have been working with C# or ASP.NET Core for some time, you have probably heard terms like:

Topics: C# Design Patterns

Documentation Is the New Source Code

Microsoft Dev Blogs - Liza Shakury

Why writing things down is the highest-leverage thing you can do when building with AI and HVE tools For most of my career, "good documentation" was a virtue — somewhere between writing tests and upda...

Comparing exception behavior of magic statics, std:: call_ once , and std:: async

Microsoft Dev Blogs - Raymond Chen

We've been comparing magic statics, std::call_once, and std::async

.NET MAUI Community Standup: Inside GnollHack: Cross-Platform Game Development with .NET MAUI

YouTube - dotnet

Join us for the next .NET MAUI Community Standup as we welcome Tommi and Janne, the creators of GnollHack! GnollHack is a cross-platform, turn-based rogue-like built on the classic NetHack codebase an...

Topics: .NET MAUI

What It Took to Make a Mobile App Usable on the World’s Worst Networks, Without Buying Anything

Medium - Mikhail Petrusheuski

Six weeks of measured work on a .NET MAUI app: p90 home-load latency from 26.2 to 6.6 seconds, failure rate from 70.9% to 32.4%, and one…

Topics: .NET MAUI Performance

AG-UI Protocol now has a first-class .NET SDK

Microsoft Dev Blogs - Daniel Roth

The .NET team is pleased to announce that we've contributed a .NET SDK for AG-UI in collaboration with CopilotKit. The AG-UI .NET SDK lives in the AG-UI reposi

Methods in C#: What .NET Interviews Actually Ask

Medium - Anchalmehandiratta

Method Overloading

Topics: C#

EF Core 10 Is Insane: The Features That Will Change How You Write Data Access Code

Medium - Santanu Chandra

A practical tour of what’s new in Entity Framework Core 10, with real examples you can paste into your project.

Topics: EF Core

Collections & LINQ in C#: What .NET Interviews Actually Ask

Medium - Anchalmehandiratta

Collections and LINQ show up constantly in real coding interviews — not just as theory questions, but as actual “write this” exercises…

Topics: C#

C# 15 Collection Expression Arguments: What's New vs C# 12 and 13

Laurent Kempé

C# 15 brings a focused upgrade to collection expressions: collection expression arguments via a leading with(...) element. If you're already using C# 12 collection expressions, this addresses a common...

Topics: C#

Interfaces vs Abstract Classes in C#: What .NET Interviews Actually Ask

Medium - Anchalmehandiratta

Interfaces are everywhere in real ASP.NET Core code — IOrderService, ILogger, IRepository — and this topic is also where everything from…

Topics: C# Design Patterns

Using Azure Blob Storage as a durable filesystem for LangChain Deep Agents

Microsoft Dev Blogs - Vishnu Charan TJ

Topics: Azure