Want to see what happens behind each prompt? 🔍 Agent Debug Logs lets you inspect chat interactions, tool calls, model requests, prompt discovery, agent flows, and more. code.visualstudio.com/docs/copilot...
Marco Rossignoli
@marcorossignoli.bsky.social
GitHub CodeAI Eval@Microsoft CoreAI Platform and Tools - DevDiv, Agents and LLMs evaluation systems, .NET Microsoft.Testing.Platform creator, former .NET Coverlet coverage co-maintainer
MCP auth for enterprise is confusing and most of the confusion comes down to one thing: mixing up agent identity and MCP authentication. It’s incredibly easy to blur the lines between agent identity and MCP authentication, which is exactly where things can get messy for an architecture team. 1/7
This Extension of the Week is a serious time-saver. It cuts down the repetitive stuff and speeds up your workflow fast. Watch to see👇
You might have seen it in the past, but in case you haven't looked recently, GitHub has a couple really nice font sets: Mona Sans & Hubot Sans: github.com/mona-sans Monaspace: monaspace.githubnext.com
Multi-Head Latent Attention 🔗 github.com/rasbt/LLMs-f...
Just a bit of weekend coding fun: A memory estimator to calculate the savings when using grouped-query attention vs multi-head attention (+ code implementations of course). 🔗 github.com/rasbt/LLMs-f... Will add this for multi-head latent, sliding, and sparse attention as well.
"If it takes longer to make your coffee than it does for you build pipeline to complete, you're doing one of them wrong" - @abangser.bsky.social
Fantastic technical post about experiments in making LLMs deterministic by making kernel operations act invariant of batch sizes: thinkingmachines.ai/blog/defeati... Curious if we'll see something like this roll out more broadly in the future!
Defeating Nondeterminism in LLM Inference
Reproducibility is a bedrock of scientific progress. However, it’s remarkably difficult to get reproducible results out of large language models. For example, you might observe that asking ChatGPT the...
thinkingmachines.ai
I just learned that Directory.GetFiles with pattern 1.txt.* matches 1.txt, and it's the OS behavior:
File-based C# apps & support for stdin to `dotnet run -` makes it incredibly easy to check behavior of APIs in .NET 10!
Daily scene from “Monkey Island 2: LeChuck’s Revenge” (VGA): Part II — Four Map Pieces #MonkeyIsland
Finally a good use for LLMs github.com/MorDavid/Bru...
GitHub - MorDavid/BruteForceAI: Advanced LLM-powered brute-force tool combining AI intelligence with automated login attacks
Advanced LLM-powered brute-force tool combining AI intelligence with automated login attacks - MorDavid/BruteForceAI
github.com
Semantic code search is now built into Visual Studio Copilot Chat, making it easier to find code based on meaning. devblogs.microsoft.com/visualstudio... #visualstudio
Improving Codebase Awareness in Visual Studio Chat - Visual Studio Blog
Our new Remote Semantic Search integration helps you find exactly what you need faster and with greater precision than ever before.
devblogs.microsoft.com
If you're building AI tools in #VisualStudio, adopting MCP can help you scale fast—but it also introduces a new class of threats you might not expect. Get actionable strategies and tooling tips to keep AI systems secure, resilient, & enterprise-ready. 🎥 msft.it/63327s3QfX
⌛ We're live in 10 minutes! It's another VS Code Release Party. Today the team will demo new features and updates from the v1.103 release including coding agent integration, MCP updates, beast mode, evaluating GPT-5! Join us ▶️ www.youtube.com/watch?v=EYMi...
🔴 VS Code - VS Code Live - v1.103 Release 🎉
🎉 It's time for another release party! Join the VS Code team as they dive into the latest features from the v1.103 release, including: Coding agent integration MCP updates Terminal tools…
youtube.com
Scene of the Day: “Thimbleweed Park” (PC): Part Three — The Arrest
We've made some "beastly" upgrades to our GPT agent prompt and we're seeing big improvements in completion rates across scenarios. You can use it today in Insiders with any GPT model... "github.copilot.chat.alternateGptPrompt.enabled": true, "chat.todoListTool.enabled": true
GPT-5 in Visual Studio is now available. #visualstudio devblogs.microsoft.com/visualstudio...
GPT-5 Now Available in Visual Studio - Visual Studio Blog
We’re excited to share that GPT-5, OpenAI’s latest frontier model, is now rolling out in GitHub Copilot for Visual Studio.GPT-5 offers faster responses and even better performance for writing and unde...
devblogs.microsoft.com
A #csharp 14.0 feature to expect in the next #ILSpy preview for #dotnet 10 is extension members (not final, see github.com/icsharpcode/...)
Explore the future of cloud at azuredevsummit.com — a powerhouse event featuring not just AI, but a full spectrum of cloud innovations, hands-on workshops, and top-tier speakers Early Bird pricing ends this week!
Azure Dev Summit | Lisbon 13 - 16 Oct 2025
Azure Dev Summit is a 4-Day Event for Software Developers, 13-16 Oct in Lisbon, Portugal.
azuredevsummit.com
The LLVM Compiler Infrastructure - Chris Lattner - 2004/07 www.youtube.com/watch?v=f9I2...
The LLVM Compiler Infrastructure - Chris Lattner - 2004/07
YouTube video by WalkingCat
youtube.com
Troubleshooting walkthrough: Cascade Into Darkness This is a real issue I solved in Windows, the hurdles I faced, and what I'd do differently. 🐥🐥YOU CAN MUTE JUST THIS CONVERSATION THREAD🐥🐥 It starts with the user editing "HKLM\HARDWARE" and misunderstanding an instruction and breaking Windows.
Hey folks! Know anyone looking for a product manager with deep experience working on C#, JavaScript, mobile, web and AI developer tools? I'm on the market and looking for new opportunities! You can read up on my history here: linkedin.com/in/jordanmat... Feel free to DM me as well.
Blogged: Unexpected inconsistency in records - codeblog.jonskeet.uk/2025/07/19/u... - if you use C# records and the "with" operator, I'd suggest reading this to avoid a footgun you may be unaware of
Unexpected inconsistency in records
Unexpected inconsistency in records The other day, I was trying to figure out a bug in my code, and it turned out to be a misunderstanding on my part as to how C# records work. It’s entirely …
codeblog.jonskeet.uk
Looks like eslint-plugin-prettier and eslint-config-prettier might have been compromised 😬 github.com/prettier/esl...
four new versions published with no code changes to repo · Issue #339 · prettier/eslint-config-prettier
The diff looks a little odd: https://npmdiff.dev/eslint-config-prettier/10.1.5/10.1.7 Is this expected? https://www.npmjs.com/package/eslint-config-prettier?activeTab=versions
github.com
I just wanted to say, I’m probably more proud of this Ted talk than just about anything I’ve ever done so I’m gonna be absolutely useless for the next couple of weeks as I promote the shit out of this because I want you to watch it because it matters in the moment we are in youtu.be/dVG8W-0p6vg
Tech Promised Everything. Did it deliver? | Scott Hanselman | TEDxPortland
YouTube video by TEDx Talks
youtu.be
Next version of the dotnet runfile supports publishing these .cs files to a native binary (via Native AOT learn.microsoft.com/en-us/dotnet...), no dependencies on the runtime, self-contained. #dotnet #csharp