Mattias Karlsson (he/him)

@devlead
619 Followers
358 Following
1.3K Posts
Partner & Technical fellow @wcomab
DevOps and Developer Tools Microsoft MVP.
.NET Foundation project / OSS maintainer.
Have been coding since the ’80s (C128 & Amiga).
Father of 2, and husband of 1.
Bloghttps://www.devlead.se
GitHubhttps://github.com/devlead
LinkedInhttps://www.linkedin.com/in/devlead
NuGethttps://www.nuget.org/profiles/devlead
The spec might be wrong, but reality is never out of date...

Did you know @dotnet Docs are open-source and accept community contributions?

So if you find a typo or something missing, you can send a pull request by hitting the edit button📝

"dotnet project convert" was missing, a PR later it's there:
https://learn.microsoft.com/en-us/dotnet/core/tools/dotnet-project-convert

#dotnet

🛸 Tomorrow at 12:00 am
in Pacific Standard Time (UTC-08:00)
/ 9:00 am my time (CET)

I'll be speaking @dotnet Conf about using .NET file-based apps for your GitHub Actions DevOps workflow, using C# instead of YAML, for a more joyful experience🚀

https://www.youtube.com/@dotnet/live

#dotnet #devops #csharp

C# file-based apps let you do what young me did with BASIC at computer shops in the 80s🤣
#dotnet #charp

Nice found a sticker table @oredev.org 🤩

#Oredev2025

Have you ever yelled at a YAML file?

Today at 3:50 PM, Horizon room at @oredev

Let’s talk about using C# for your DevOps pipeline, spending less time debugging remote logs, and more time shipping features.

...also I brought stickers🍰

https://oredev.org/program/94bb2a0c-aa81-4039-84a0-7196d4bbbb41

#dotnet #csharp #oredev2025

Getting something to build, unit & integration test on 15 different CI / OS configurations may cause yak shaving... but totally a good feeling when all ✅🤩
#dotnet
Just spent too much time tracking down a bug, in debug resistant code, left me equally satisfied and disappointed...
Shipping to prod on a Friday 🚀
First .NET 10 workloads live in prod 🎉
#dotnet

🎉 Honored and grateful to be renewed for the Microsoft Most Valuable Professional award for the 9th year in a row — this time in both the .NET and DevOps categories!

#MVPBuzz #MicrosoftMVP #DotNet #DevOps