Marco Rossignoli
@marcorossignoli.bsky.social
Principal Software Engineer@Microsoft CoreAI Platform and Tools - DevDiv, Agentic/Generative AI, .NET, Microsoft.Testing.Platform creator, Coverlet coverage co-maintainer
Reposted by Marco Rossignoli
Multi-Head Latent Attention
🔗 github.com/rasbt/LLMs-f...
🔗 github.com/rasbt/LLMs-f...
October 12, 2025 at 1:57 PM
Multi-Head Latent Attention
🔗 github.com/rasbt/LLMs-f...
🔗 github.com/rasbt/LLMs-f...
Reposted by Marco Rossignoli
"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
- @abangser.bsky.social
October 4, 2025 at 9:17 AM
"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
- @abangser.bsky.social
Reposted by Marco Rossignoli
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!
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
September 13, 2025 at 4:02 AM
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!
Curious if we'll see something like this roll out more broadly in the future!
Reposted by Marco Rossignoli
I just learned that Directory.GetFiles with pattern 1.txt.* matches 1.txt, and it's the OS behavior:
September 5, 2025 at 6:07 PM
I just learned that Directory.GetFiles with pattern 1.txt.* matches 1.txt, and it's the OS behavior:
Reposted by Marco Rossignoli
File-based C# apps & support for stdin to `dotnet run -` makes it incredibly easy to check behavior of APIs in .NET 10!
September 4, 2025 at 5:24 PM
File-based C# apps & support for stdin to `dotnet run -` makes it incredibly easy to check behavior of APIs in .NET 10!
Reposted by Marco Rossignoli
Not entirely sure what I'm going to do with all that money.
September 3, 2025 at 10:02 AM
Not entirely sure what I'm going to do with all that money.
Reposted by Marco Rossignoli
Reposted by Marco Rossignoli
Daily scene from “Monkey Island 2: LeChuck’s Revenge” (VGA): Part II — Four Map Pieces #MonkeyIsland
August 26, 2025 at 3:00 PM
Daily scene from “Monkey Island 2: LeChuck’s Revenge” (VGA): Part II — Four Map Pieces #MonkeyIsland
Reposted by Marco Rossignoli
Reposted by Marco Rossignoli
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
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
August 14, 2025 at 1:54 PM
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
devblogs.microsoft.com/visualstudio... #visualstudio
Reposted by Marco Rossignoli
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
Get actionable strategies and tooling tips to keep AI systems secure, resilient, & enterprise-ready.
🎥 msft.it/63327s3QfX
August 14, 2025 at 2:30 PM
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
Get actionable strategies and tooling tips to keep AI systems secure, resilient, & enterprise-ready.
🎥 msft.it/63327s3QfX
Reposted by Marco Rossignoli
⌛ 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…
www.youtube.com
August 14, 2025 at 2:50 PM
⌛ 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...
Reposted by Marco Rossignoli
Scene of the Day: “Thimbleweed Park” (PC): Part Three — The Arrest
August 12, 2025 at 3:00 PM
Scene of the Day: “Thimbleweed Park” (PC): Part Three — The Arrest
Reposted by Marco Rossignoli
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
You can use it today in Insiders with any GPT model...
"github.copilot.chat.alternateGptPrompt.enabled": true,
"chat.todoListTool.enabled": true
August 12, 2025 at 5:38 PM
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
You can use it today in Insiders with any GPT model...
"github.copilot.chat.alternateGptPrompt.enabled": true,
"chat.todoListTool.enabled": true
Reposted by Marco Rossignoli
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
August 12, 2025 at 6:04 PM
GPT-5 in Visual Studio is now available. #visualstudio devblogs.microsoft.com/visualstudio...
Reposted by Marco Rossignoli
A #csharp 14.0 feature to expect in the next #ILSpy preview for #dotnet 10 is extension members (not final, see github.com/icsharpcode/...)
August 4, 2025 at 5:20 PM
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!
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
July 30, 2025 at 7:39 AM
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!
Early Bird pricing ends this week!
Reposted by Marco Rossignoli
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
www.youtube.com
July 27, 2025 at 1:29 PM
The LLVM Compiler Infrastructure - Chris Lattner - 2004/07 www.youtube.com/watch?v=f9I2...
Reposted by Marco Rossignoli
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.
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.
July 24, 2025 at 1:57 AM
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.
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.
Reposted by Marco Rossignoli
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.
Feel free to DM me as well.
July 23, 2025 at 8:46 PM
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.
Feel free to DM me as well.
Reposted by Marco Rossignoli
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
July 19, 2025 at 1:08 PM
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
Reposted by Marco Rossignoli
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
July 18, 2025 at 6:02 PM
Looks like eslint-plugin-prettier and eslint-config-prettier might have been compromised 😬 github.com/prettier/esl...
Reposted by Marco Rossignoli
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
July 17, 2025 at 8:37 PM
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