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quantstack.bsky.social
QuantStack
@quantstack.bsky.social
A team of open-source maintainers and engineers providing solutions and support for open-source projects used by millions worldwide. #Jupyter, #condaforge, #Mamba, #ApacheArrow, #Xtensor, and more.
The Sovereign Tech Agency backs Apache Arrow's Future with QuantStack!

This funding will empower Arrow maintainers at QuantStack, @pitrou.net and @raulcumplido.bsky.social, to advance security, modularity, and long-term sustainability of @arrow.apache.org.

medium.com/@QuantStack/...
The Sovereign Tech Agency Invests in Apache Arrow’s Future with QuantStack
We are thrilled to announce that the Sovereign Tech Fund is providing critical funding to sustain and improve Apache Arrow, an essential…
medium.com
October 7, 2025 at 11:40 AM
Reposted by QuantStack
I will speak about probabilistic regressions, @skrub-data.bsky.social and skore contributors will also present their libraries. Come join us!
A bunch of scikit-learn core contributors will attend or speak at @pydataparis.bsky.social 2025 on Tuesday and Wednesday next week.

Ticketing, practical infos and schedule at: pydata.org/paris2025
PyData Paris 2025
pydata.org
September 26, 2025 at 8:55 AM
Reposted by QuantStack
📢 Talk Announcement

"Architecting Scalable Multi-Modal Video Search", by Sebastiano Miliardo and Pietro Piccini.

📜 Talk info: pretalx.com/pydata-paris-2025/talk/HVEWT9
📅 Schedule: pydata.org/paris2025/schedule
🎟 Tickets: pydata.org/paris2025/tickets
September 24, 2025 at 7:00 AM
Reposted by QuantStack
The schedule for the Apache Arrow Summit Paris 25 (October 2nd) is out: www.meetup.com/pydata-paris....
The event is hosted by
@pydataparis.bsky.social organizer of pydata.org/paris2025 (September 30th - October 1st)

We are looking forward to seeing you there and talking about all things Arrow.
Apache Arrow Summit, Thu, Oct 2, 2025, 9:30 AM | Meetup
The day after the PyData Paris conference, we’re excited to host the first-ever Apache Arrow Summit - a gathering dedicated to fostering collaboration and innovation within
www.meetup.com
September 24, 2025 at 12:23 PM
Reposted by QuantStack
📢 Talk Announcement

"Advancements in optimizing ML Inference at CERN", by Sanjiban Sengupta.

📜 Talk info: pretalx.com/pydata-paris-2025/talk/BZGUZN
📅 Schedule: pydata.org/paris2025/schedule
🎟 Tickets: pydata.org/paris2025/tickets"
September 17, 2025 at 7:00 AM
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September 12, 2025 at 7:00 AM
Reposted by QuantStack
📢 Talk Announcement

"Big ideas shaping scientific Python: the quest for performance and usability", by Ralf Gommers.

📜 Talk info: pretalx.com/pydata-paris-2025/talk/YBFPCR
📅 Schedule: pydata.org/paris2025/schedule
🎟 Tickets: pydata.org/paris2025/tickets
September 5, 2025 at 7:01 AM
Reposted by QuantStack
And the great teams at @iiasa.ac.at and @quantstack.bsky.social have gone even a step further generating amazing visuals of our results.

Check out cdr.apps.ece.iiasa.ac.at/story/pruden... to dive in!
CDR Knowledge Hub
cdr.apps.ece.iiasa.ac.at
September 4, 2025 at 8:56 AM
Reposted by QuantStack
📢 Talk Announcement

"Browser-based AI workflows in Jupyter", by @jtp.io and Nicolas Brichet from @quantstack.bsky.social.

📜 Talk info: pretalx.com/pydata-paris-2025/talk/7CNUUD
📅 Schedule: pydata.org/paris2025/schedule
🎟 Tickets: pydata.org/paris2025/tickets
September 2, 2025 at 7:00 AM
Reposted by QuantStack
Started the passagemath @jupyter.org kernel campaign: Each passagemath-... package that ships an interpreter needs a #Jupyter kernel.
First step: Including the XEUS-GP kernel (PARI/GP) with passagemath-pari.
github.com/passagemath/...
Ship Jupyter kernels for all interpreters · Issue #1394 · passagemath/passagemath
Increasing the upstream usability of the passagemath distributions #1391 #1001 #420 GAP: https://github.com/gap-packages/JupyterKernel (supersedes what is shipped with sage: https://doc.sagemath.or...
github.com
August 7, 2025 at 7:48 PM
Reposted by QuantStack
We’re happy to announce our Social Event, taking place on Tuesday 30th September at 6pm at the Cité des sciences. A perfect opportunity to unwind and connect with fellow attendees after a day of interesting talks!

pydata.org/paris2025/so...
pydata.org/paris2025/ti...
August 28, 2025 at 12:55 PM
Reposted by QuantStack
Register for the Apache Arrow Summit Paris 25 (October 2nd) at: www.meetup.com/pydata-paris...
The event is hosted by @pydataparis.bsky.social
We are looking forward to seeing you there and talking about all things Arrow.
Apache Arrow Summit, Thu, Oct 2, 2025, 9:30 AM | Meetup
The day after the PyData Paris conference, we’re excited to host the first-ever Apache Arrow Summit - a gathering dedicated to fostering collaboration and innovation within
www.meetup.com
August 28, 2025 at 7:50 AM
Reposted by QuantStack
In September the @columnar.tech crew are headed to PyData Paris 2025 and the first ever Apache Arrow Summit. The organizer @quantstack.bsky.social is a dedicated supporter of @arrow.apache.org. We’re delighted to be sponsoring the event.
Welcome to our new sponsor Columnar !
August 18, 2025 at 2:30 PM
Reposted by QuantStack
Welcome to our new sponsor Columnar !
August 18, 2025 at 11:17 AM
Reposted by QuantStack
Second keynote announcement for JuliaCon Local Paris 2025: Tim Besard will uncover the secrets of vendor-agnostic GPU programming in Julia 🤯
Don't forget to get your early bird tickets before the end of next week (see the @juliacon.bsky.social website), and to swing by @pydataparis.bsky.social too!
August 8, 2025 at 3:21 PM
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📢 Talk Announcement

"Building Data Science Tools for Sustainable Transformation", by Anita Graser.

📜 Talk info: pretalx.com/pydata-paris-2025/talk/BEJFAF
📅 Schedule: pydata.org/paris2025/schedule
🎟 Tickets: pydata.org/paris2025/tickets
August 8, 2025 at 7:00 AM
Reposted by QuantStack
Want more open-source software and scientific computing in your life? Get your ticket for JuliaCon Local Paris 2025 before the end of the early bird pricing!
We have an impressive lineup of keynotes, starting with Professor Laura Grigori (EPFL) and not stopping there!
juliacon.org/local/paris2...
August 6, 2025 at 5:33 PM
Reposted by QuantStack
Welcome to our new sponsor @quantco.com !
June 10, 2025 at 7:05 AM
Reposted by QuantStack
📢 Talk Announcement

"xeus-cpp, the new C++ kernel for Jupyter", by Johan Mabille and Anutosh Bhat from Quantstack.

📜 Talk info: pretalx.com/pydata-paris-2025/talk/HRLACQ
📅 Schedule: pydata.org/paris2025/schedule
🎟 Tickets: pydata.org/paris2025/tickets"
August 6, 2025 at 7:00 AM
Reposted by QuantStack
📢 Talk Announcement

"Collaborative GIS editing in JupyterLab", by @martinrenou.bsky.social and @arjxn-py.bsky.social from @quantstack.bsky.social

📜 Talk's info: pretalx.com/pydata-paris-2025/talk/BTUHBX
📅 Schedule: pydata.org/paris2025/schedule
🎟 Tickets: pydata.org/paris2025/tickets
July 18, 2025 at 1:30 PM
Reposted by QuantStack
Lots of improvements, medium and small, in this new release of the Apache Arrow monorepo (C++, Python, R, Ruby...). It also includes performance improvements in the Parquet reader that we contributed at @quantstack.bsky.social, and we hope to contribute more of them in the future.
July 22, 2025 at 8:31 AM
Reposted by QuantStack
📢 Talk Announcement

"Expanding Programming Language Support in JupyterLite", by Thorsten Beier, Ian Thomas, Isabel Paredes and Antoine Prouvost from @quantstack.bsky.social

📜 Talk info: pretalx.com/pydata-paris...
📅 Schedule: pydata.org/paris2025/schedule
🎟 Tickets: pydata.org/paris2025/tickets
July 25, 2025 at 7:01 AM
Reposted by QuantStack
We are excited to announce that the schedule for PyData Paris 2025 has been released! Discover the incredible lineup of speakers we have in store for you.

Don't miss out on this chance to learn, connect, and grow. Save the date and get your ticket!

pydata.org/paris2025/sc...
Schedule — PyData Paris 2025
pydata.org
July 15, 2025 at 1:14 PM
Reposted by QuantStack
New blog post: "Create your own layers in JupyterGIS".

Use the power of notebooks to compute custom tiles on-the-fly from Xarray (big) data, interact and collaborate on the map right from JupyterLab.

david-brochart.medium.com/cbb995a89b16
Create your own layers in JupyterGIS
Introduction
david-brochart.medium.com
June 24, 2025 at 2:39 PM
Reposted by QuantStack
🎉 JupyterLite 0.6 is now available, and brings exciting new features:

✨ Interactive input() support
🔄 New REPL options
🎯 Better kernel status and logs
⚡️ Improved multi-tab experience

Read more: blog.jupyter.org/jupyterlite-...

Walkthrough video: www.youtube.com/watch?v=jkQ9...
JupyterLite 0.6.0 is released! 🎉
JupyterLite 0.6.0 includes a number of new features, bug fixes, and enhancements and significant improvements to the user interface.
blog.jupyter.org
June 13, 2025 at 9:22 AM