Daniel Marbach🇨🇭 retweeted
Replying to @danielmarbach
That maintainer question is the useful part. In business code I'd take the more complex version only when a benchmark backs it and the PR links to it. Otherwise the next person simplifies it back without knowing why it was there 😅
I learned .NET performance by sending PRs to the Azure SDK. The rejected ones taught me the most, because a maintainer would ask: is this complexity worth it?
New series on what I picked up, starting with when to bother at all.
planetgeek.ch/2026/10/27/why…
#dotnet #performance
Daniel Marbach🇨🇭 retweeted
Replying to @danielmarbach
Absolutely 🙂 And since we've already been talking on LinkedIn, I know we're looking at a similar underlying problem from pretty different architectural angles. Same goal in many ways, different layer and approach. I think that's a good thing.
Daniel Marbach🇨🇭 retweeted
I tried every harness under the sun and always circle back to @pidotdev.
Many offer good features, but it's all or nothing. I can’t cherry-pick what I like.
It is less effort to customize Pi, then spend time circumventing workflows that don’t fully match my needs.
Daniel Marbach🇨🇭 retweeted
Shipped v1.7.0 of dotnet-skills, which now includes:
- Comprehensive CsCheck skill for defining model and property-based tests
- dotnet Docker SDK best practices
- Updates to TestContainer and dotnet-slopwatch skills
CsCheck one was necessary because even Opus 5.5 absolutely wrecked itself trying to write decent Specs for model based testing.
Install instructions are here: github.com/Aaronontheweb/dot…
Daniel Marbach🇨🇭 retweeted
If this is not clickbait, I don't what this is. 🙄
Such a waste of energy for humanity, what is wrong with some people 😒
"Guid.CreateVersion7() is NOT a sequential guid for SQL Server" from Bart Wullems
#dotnet #sqlserver
bartwullems.blogspot.com/202…
How to keep enjoying programming in a world of LLMs
discourse.haskell.org/t/how-…
Daniel Marbach🇨🇭 retweeted
And if you are wondering what Pi Durable is all about, I wrote a little piece on it here:
earendil.com/posts/pi-durabl…
With code examples. How quaint.
People of Pi: We've shipped Pi 1.0 with Pi Durable. Go make them yours.
earendil.com/posts/pi-1-0/
People of Pi: We've shipped Pi 1.0 with Pi Durable. Go make them yours.
earendil.com/posts/pi-1-0/
Daniel Marbach🇨🇭 retweeted
GPT 6.1 Sol is now on BridgeBench.
OpenAI is calling it "near-Astra intelligence."
Our results: 3 points better than GPT 6 Sol.
82 points behind GPT 6 Astra.
When a model jumps on the lab's own benchmarks but barely moves on independent ones, that's usually a sign of benchmaxing.
Replying to @KooKiz
a note regarding my tweet: it's not a bug, it's an expected unsafe behavior :-) Luckily, we got rid of all fixed buffers in our code (e.g. github.com/dotnet/runtime/pu… and github.com/dotnet/runtime/pu…)
My vacation experiment...
Makes your AI agent think like the architect everyone rolls their eyes at, until they're right.
danielmarbach.github.io/turt…
#AgentSkills #aiagent
Daniel Marbach🇨🇭 retweeted
WSL container is GA today!
Check out the new features and see how it's ready to ship in your enterprise.
Also yes `wslc compose` is being worked on, and is on our roadmap!
blogs.windows.com/windowsdev…
SerializerFoundation v1.0.0 is out! It's the buffer layer behind the outstanding performance of MessagePack for C# v4, specialized per buffer type by the JIT with devirtualized and inlined calls. Useful for any binary protocol, not just serializers.
github.com/Cysharp/Serialize…
"Over the coming months, Microsoft Learn will retire most public repositories associated with product documentation"
techcommunity.microsoft.com/…
Satya says, Microsoft needs to “find new ways to connect directly with all of our constituencies”.
geekwire.com/2026/internal-m…
You'll never guess what happened next...
Okay but why??? techcommunity.microsoft.com/…
Daniel Marbach🇨🇭 retweeted
Composa 1.1.0 is out. A Photoshop-style editor for Linux and Windows, in C# on .NET 10, Avalonia and SkiaSharp. New: sliders you drag, scrub or type into, editable Photoshop text on import, PSB and SVG files, and a Photoshop-style color picker.
github.com/dvdstelt/Composa/…
Daniel Marbach🇨🇭 retweeted
been using @danielmarbach 's AOT trimming skill from github.com/Aaronontheweb/dot… and that's helped me find several better paths forward than what I had originally imagined



















