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Wolf Vollprecht

@wolfvollprecht.bsky.social
66 followers 26 following 23 posts

Working on software package management at @prefix.dev

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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 24/09/2026
The Pixi team is at ROSCON in Toronto - come find the yellow backpacks if you want to chat! We keep spotting Pixi in so many cool robotics projects and it's making us proud. To get a glimpse of what we're working on, join the talk about the EU CRA this afternoon!
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 14/09/2026
We made it easy to install Isaac ROS! The new `isaac-forge` repository contains many upstream NVIDIA Isaac ROS packages to make them installable with Pixi. You can test it today on your #NIVIDA #Jetson! No docker needed! github.com/wolfv/isaac...
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Reposted by Wolf Vollprecht
Samuel Lampa @smllmp.bsky.social · 11/09/2026
Super stoked that SciCommander (track provenance for any file produced by your ad-hoc shell usage into HTML reports & more) is now on @conda-forge.org! 🥳 Install with: conda install conda-forge::scicommander pixi add scicommander anaconda.org/channels/con... Poster for info 👇
Poster with title: SciCommander - Track provenance of interactive shell usage. Showing a longer text explaining it, some screenshots of using scicommander in shell mode and an example HTML report, together with some artistic line drawings.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 31/08/2026
Pixi now fully supports archspec, so you can create CPU-optimized environments and let Pixi handle the installation logic. Read more about it in the blogpost we updated: prefix.dev/blog/buildi...
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 21/08/2026
Conda packages have extras now. Optional dependency groups you declare and then consume, via v3 repodata. Plus when conditions and variant flags.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 20/08/2026
[system-requirements] is deprecated. Platforms now carry the requirements themselves. CUDA and glibc constraints inline, and you can name a target what you actually call it: jetson-nano.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 20/08/2026
Don't forget to join the RoboStack Community Meeting today! Thu 20 Aug; 16:00 CET robostack.github.io/CommunityMe...
robostack.github.io
Community Meeting
Run any ROS distro in an isolated, per-project environment. On Linux, macOS and Windows.
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Reposted by Wolf Vollprecht
Seth Stadick @ducktapeprogrammer.bsky.social · 18/08/2026
Lastly, I'm a contributor to the `pixi-build-mojo` backend, which is what @prefix.dev can use to build Mojo projects: pixi.prefix.dev/latest/build... And allows you to install dependencies directly from GitHub, which is really cool!
pixi.prefix.dev
pixi-build-mojo - Pixi
Pixi Documentation — Next-gen package manager for reproducible development setups
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 13/08/2026
PEP 723 only covers Python and PyPI, so Pixi reads tool.pixi for the rest. Which means conda dependencies in a standalone script. gdal from a single file, no build step.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 12/08/2026
A single Python file can now carry its own environment. pixi run --script hello.py Pixi reads PEP 723 inline metadata. No pixi.toml, no .pixi folder, no lock file unless you ask for one.
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Reposted by Wolf Vollprecht
conda-forge @conda-forge.org · 10/08/2026
The big RISC-V migration has ... begun! Check out the status here: Big thanks to all maintainers helping out! conda-forge.org/status/migr...
conda-forge.org
conda-forge | community-driven packaging for conda
Status dashboard for conda-forge
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 04/08/2026
New community tool: a live dashboard for the conda-forge staged-recipes queue. See which new packages are waiting for review, what's passing CI, and where things are stuck, all in one place. srdb.thath.net/
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 30/07/2026
Pixi v0.75.0 now ships with an --offline mode. Install your environments directly from the shared cache, even on the train or plane! 🛫 Find out more here: pixi.prefix.dev/latest/refe...
A terminal window displays the command "pixi update --offline," suggesting functionality for updating in offline mode.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 28/07/2026
The rattler-build playground got a bit fancier! Now also generates recipes for PyPI, CRAN, and CPAN upstream sources. Try it out under playground.rattler.build
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Wolf Vollprecht @wolfvollprecht.bsky.social · 22/05/2026
Very cool to see `uv` adopting our @sigstore Rust crates to generate publish attestations for @pypi automatically. Pixi publish has it already, and it's nice. github.com/astral-sh/u...
github.com
Generate PEP 740 attestations by woodruffw · Pull Request #19489 · astral-sh/uv
Summary This adds initial support for generating PEP 740 attestations to uv publish. With this change, users won't need to generate attestations AOT/OOB with something like attest-action; u...
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Wolf Vollprecht @wolfvollprecht.bsky.social · 22/05/2026
Looking forward to this
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 13/05/2026
The latest version of Pixi comes with a new lockfile "v7"! It locks down build dependencies for the first time, making your builds even more reproducible. And of course fixes a number of issues. Read more in our blog post: prefix.dev/blog/lock-f...
prefix.dev
Whats New with Lockfile Version 7
We have a new lock file, lets go over the changes.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 14/05/2026
Want to understand why more and more Scientific Python projects are addopting Pixi? We'll give an overview during our talk at #SciPy2026 !
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 09/04/2026
Pytorch + Ultralytics + ROS2 Humble on a Nvidia Jetson Nano with no Docker! Pixi, together with @condaforge and @RoboStack, makes this possible! #ROS #nvidia #opencv
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Prefix.dev - the Pixi company @prefix.dev · 06/04/2026
Are you dreaming of your own specialized *-forge? Our new build tool "rattler-build" makes it simple. Check out our new docs on how to create a custom "r-forge", "rust-forge", "ruby-forge", ... rattler-build.prefix.dev/latest/tips...
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 02/04/2026
RISC-V in Europe and China has real momentum. Pixi actually has supported this new hardware architecture since a while, but the @openKylin project has made it real. In this blog post we explore how Pixi support RISC-V! prefix.dev/blog/pixi-o... #RISCV #EuroHPC
prefix.dev
Pixi supports RISC-V
As the RISC-V ecosystem matures from silicon to software, one piece has been missing: a modern, cross-platform package manager that makes it as easy to develop on RISC-V as on x86 or ARM. That changes today. Pixi now natively supports RISC-V (riscv64), bringing the full power of the conda ecosystem to open hardware.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 01/04/2026
Bioconda now recommends Pixi ahead of conda and mamba as the way to get started. This means a lot to us. We're all-in on making Pixi the best tool for scientific package management.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 30/03/2026
"Building From Source Shouldn't Be This Hard" That's our motto, read our latest blogpost to understand what we're building and how Pixi already helps you with today! 🗞️ Read it here: prefix.dev/blog/buildi... #pacakgemanagement #pixi #ROS #condaforge
prefix.dev
Building From Source Shouldn't Be This Hard
Pixi-build is being designed to make package building easy, reproducible and maybe even fun!
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 27/03/2026
No more duplicate dependencies in pyproject.toml! Pixi Python packages can now set `ignore-pypi-mapping = false` to automatically convert `pyproject.toml` dependencies into conda package requirements. The goal is no configuration, this is a step in that direction!
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 27/03/2026
The notebook.link team is building "serverless scientific computing" on top of the modern Conda ecosystem & the prefix.dev package server. Read the guest blog on how they shipped interactive WASM for Python, R, C++, Fortran and more: prefix.dev/blog/server...
prefix.dev
How notebook.link Scales Without Backends
Notebook.link combines WebAssembly and the conda ecosystem to deliver scalable, serverless computing environments that run entirely in the browser. No backend. No scaling headaches. Just instant, collaborative scientific computing for everyone.
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Wolf Vollprecht @wolfvollprecht.bsky.social · 26/03/2026
Seeing the amazing FreeCAD 1.1 update makes me really proud that development of FreeCAD is supported by Pixi: www.youtube.com/watch?v=bYd... - great stuff!
youtube.com
FreeCAD 1.1 is Finally HERE — It’s a GAME CHANGER ! (Major Updates you missed)
FREECAD 1.1 is OUT ! A huge thanks to PCBWay for sponsoring today's video! Sign up here ▶ https://www.pcbway.comPCBWay manufactures reliable PCBs, 3D prints,...
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 24/03/2026
Don’t like writing recipes? With Pixi packages, it’s a lot less work to package up remote projects! This is all the configuration needed to build the ruff project into a conda package with Pixi. 🤯
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 23/03/2026
Pixi can now natively build R packages - for your own packages or thirdparty packages from CRAN or Github. The new `pixi-build-r` build backend makes it possible. pixi-build-r will install compilers, system-level dependencies and R / r-packages from @condaforge.
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Wolf Vollprecht @wolfvollprecht.bsky.social · 21/03/2026
More Pixi stakeholders! Thanks Pavel and @quantco.com for being true Pixi & @conda-forge.org supporters.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 20/03/2026
The RFC period has started on the "staging cache" CEP for the v1 recipe format. This might sound like gibberish but is a powerful feature that will allow us to convert more (complicated!) packages on @condaforge to the V1 recipe format!
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 20/03/2026
You can now install the Open-Source physics engine, Newton, with Pixi! 🤖 Getting a full humanoid robot simulator has never been easier, just run one command! Check out the original announcement: github.com/newton-phys... #robotics #NVIDIA #warp #newton
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Prefix.dev - the Pixi company @prefix.dev · 19/03/2026
We improved our package builder Rattler-Build a lot over the past months, so we wrote a blog post about it! prefix.dev/blog/whats-...
Paxton holds a tool and poses against a bright yellow background, promoting Rattler-Build updates.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 18/03/2026
You thought Pixi was only for data science and Python?! Nope! Pixi is the perfect tool to manage your Kubernetes deployments, turbocharged by the github-releases channel we can offer many of the most used packages! No more curl-pipe-to-bash. Read more: prefix.dev/blog/kubern...
prefix.dev
Exploring the Kubernetes Ecosystem with Pixi
If you've ever spent 20 minutes debugging CI because helm was the wrong version, this post is for you.
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Wolf Vollprecht @wolfvollprecht.bsky.social · 06/03/2026
Europe and China are both investing heavily in RISC-V chips. Thanks to the OpenKylin project the @conda-forge.org project is making progress as well. Today I ran Pixi on RISC-V for the first time. If you're investing in RISC-V infrastructure and want the package tooling to match — let's talk.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 27/02/2026
A brain in a conda package. What!? Read our latest blogpost on how to ship AI/ML models with conda packages! prefix.dev/blog/packag...
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 27/02/2026
The latest Pixi releases and installer on Windows are properly signed with a Microsoft Certificate. Would it be useful to integrate signing for macOS and Windows into rattler-build?
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 25/02/2026
Everyone loves shell completions, right? With carapace, you get amazing shell completions for most CLI tools, including Pixi since the latest release. This works on all platforms and shells.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 26/02/2026
Pixi skills are kinda cool. A couple extremely useful ones already hosted on prefix – such as the `conda-forge` skill, or the `rattler-build` skill. It's useful because it contains a bunch of expert knowledge, digestible for agents.
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Prefix.dev - the Pixi company @prefix.dev · 19/02/2026
The @condaproject is moving forward with formalizing the current implemented standards! Strengthening the whole ecosystem and promoting collaboration.
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Prefix.dev - the Pixi company @prefix.dev · 18/02/2026
rattler-build handles thousands of real world packages, and they often come with small patches. Historically, we used a mix of `git apply` and `patch`, but both have issues for cross-platform compatibility with a wide range of real-world patches. Now, we have our own Rust library
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Wolf Vollprecht @wolfvollprecht.bsky.social · 18/02/2026
Last weekend I made `reportlab` a noarch package on @condaforge and added `pycairo` to emscripten-forge. Now you can easily generate PDFs in notebook.link! This is critical for a lot of agentic "business use cases".
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Prefix.dev - the Pixi company @prefix.dev · 17/02/2026
Today was a good day for the Gnome ecosystem on @conda-forge.org! Two PRs merged to get more low level libraries: libadwaita, sassc, appstream, libshumate and json-glibc by Dan Yeaw and Felix Häcker.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 12/02/2026
We're taking supply chain security seriously for the Conda ecosystem. That's why we integrate deeply with the @projectsigstore ecosystem for attestation – soon coming to recipes as well to validate source code (sdist, github release) attestations.
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Wolf Vollprecht @wolfvollprecht.bsky.social · 04/02/2026
Many RISC-V experts at the @condaforge meeting today. This is going to move quickly! Pixi also just finished building for RISC-V, exciting stuff.
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Reposted by Wolf Vollprecht
Prefix.dev - the Pixi company @prefix.dev · 04/02/2026
We're excited to announce Pixi GUI, developed by our working student Felix Häcker! With the goal to make Pixi accessible to a wider audience while also empowering expert users. Find out more in Felix's blog post: prefix.dev/blog/introd...
Clean desktop showing Pixi GUI app window listing build tasks and a terminal window displaying compilation logs on a bright yellow background
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Pierre @pierreraybaut.bsky.social · 01/02/2026
🧪 Live experiment using notebook.link from @quantstack.bsky.social A notebook with DataLab-Kernel (github.com/DataLab-Plat...), a Xeus-Python JupyterLite-compatible kernel, connects automatically to a running local DataLab app (datalab-platform.com). No config. Auto-discovery. It simply works.
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Prefix.dev - the Pixi company @prefix.dev · 26/01/2026
Should @OpenRoboticsOrg support #Pixi as an co-official installation tool on Linux? Join the converstation in the discource linked thread 🧵
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QuantStack @quantstack.bsky.social · 22/01/2026
We are thrilled to introduce notebook.link, a platform that lets you create, share, and run Jupyter notebooks instantly in your browser. Powered by JupyterLite and WebAssembly, it supports Python, R, C++, and a full in-browser terminal experience. 📖 Read the full story: medium.com/@QuantStack/...
notebook.link
Notebook.link
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Prefix.dev - the Pixi company @prefix.dev · 30/12/2025
The official @NVIDIA cuda-python project now also uses Pixi! #pixi #CUDA #NVIDIA
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Prefix.dev - the Pixi company @prefix.dev · 19/12/2025
Pinning a dependency in Pixi is defaulting to semantic versioning, but there are more styles that you can use!
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