And this was all done by @antoineprv.bsky.social , whose BlueSky account isn't very discoverable. 😊

At @quantstack.bsky.social we designed novel bit-unpacking SIMD optimizations for @arrow.apache.org and #ApacheParquet, and implemented them entirely using C++ metaprogramming instead of Python-based code generation. We'll publish a deep dive blog post soon. github.com/apache/arrow...

@geojupyter.bsky.social 's JupyterGIS just got two new features: built-in STAC browsing and Story Maps. Discover #geospatial data and tell map-based stories all from @jupyter.org! Try it live in your browser: notebook.link/@quantstack/.... Read more on the Project Jupyter Blog: shorturl.at/UXE8s

🧪 DataLab-Kernel | Advanced plotting showcase Running in the browser via notebook.link from @quantstack.bsky.social The plotter now implements all core DataLab visualization features Standalone demo — no DataLab required DataLab-Kernel: github.com/DataLab-Plat... DataLab: datalab-platform.com

🎉 JupyterLite is now part of Project Jupyter! Run Jupyter notebooks directly in your browser: no server, no setup. Many thanks to the JupyterLite contributors and supporters like QuantStack, Bloomberg and the Gates Foundation. 🔗 blog.jupyter.org/jupyterlite-...

🧪 Sigima, running in the browser thanks to notebook.link from @quantstack.bsky.social The scientific signal & image processing engine behind DataLab (datalab-platform.com), now executable directly in a @jupyter.org notebook (no local install required). Lightweight, reproducible, easy to share.

🧪 Awesome announcement from the @quantstack.bsky.social team! Introducing notebook.link, share your computational notebook and have them run directly in the browser with no setup, powered by Jupyterlite and the xeus stack. #datascience #scientificcomputing

🧪 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.

🧪 Experimenting with notebook.link from @quantstack.bsky.social, and DataLab-Kernel (github.com/DataLab-Plat...), a Xeus-Python JupyterLite-compatible kernel. Goal: share fully interactive DataLab-powered notebooks directly in the browser. Looks promising for demos, docs, and reproducible examples!

A viewer for Parquet, SQLite, and Avro files in JupyterLab. Check out our new JupyterLab extension: Arbalister. 🏹 Built upon Apache Datafusion, @jupyter.org , and @arrow.apache.org , it lazily fetches rows so that you can view files larger than memory! blog.jupyter.org/instantly-vi...

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/...

Together with @nicolasbrichet.bsky.social at @pydataparis.bsky.social 2025, we presented a vision for what AI @jupyter.org can look like, with a focus on forward-looking, browser-based AI workflows 🤖 The recording is now available on YouTube, happy watching! www.youtube.com/watch?v=cKeu...

JupyterLite now supports any-llm-gateway as a backend for its AI static front-end. any-llm-gateway routes LLM requests through a single gateway rather than tying usage to one provider. Integration details: link.mozilla.ai/jupyterlite-...

@quantstack.bsky.social, an “almost accidental startup,” is building a serverless distro of @jupyter.org for Jupyter’s global adoption. Feat. @sylvaincorlay.bsky.social

All talks are now online - perfect for cozy learning by the fire. 🎄🔥 🎁 Watch here: www.youtube.com/playlist?lis... Missed a session? Now’s your chance! Share your favorites and keep the inspiration going. Wishing you a season of learning and innovation!

🚀 JupyterLite 0.7 is now available! - Support for workspaces - Audio / video playback - Interrupt execution queue - Basic notebook export - Notebook scrolling fixes ➡️ Try it: jupyter.org/try-jupyter ➡️ Walkthrough video: www.youtube.com/watch?v=utNt... ➡️ Blog post: blog.jupyter.org/jupyterlite-...

SIMD coding is hard: platforms, inconsistencies, lane constraints... but xsimd abstracts a lot away. With my first contributions, I improved byte shuffling, now available in the latest 14.0 release. #C++ #SIMD #xsimd #openSource

@quantstack.bsky.social, an “almost accidental startup,” is building a serverless distro of @jupyter.org for Jupyter’s global adoption. Feat. @sylvaincorlay.bsky.social

JupyterLab 4.5 and Jupyter Notebook 7.5 are here! 🎉 Highlights 🎁 - Enhanced notebook scrolling behavior - Native audio and video support - New Terminal search - Debugger, Notebook and File Browser improvements Check out the blog post to learn more! blog.jupyter.org/jupyterlab-4...

Project Jupyter has funded a series of community workshops for 2026, covering a broad range of subjects from Jupyter-AI to JupyterHub, Myst Markdown, and security. Check out our announcement on the Jupyter blog for more details. blog.jupyter.org/jupyter-comm...

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/...

I will speak about probabilistic regressions, @skrub-data.bsky.social and skore contributors will also present their libraries. Come join us!

📢 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

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.

📢 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"

📢 Talk Announcement "Open-source Business", by @sylvaincorlay.bsky.social from @quantstack.bsky.social and @ylechelle.bsky.social from @probabl.ai 📜 Talk info: pretalx.com/pydata-paris-2025/talk/LMTCZS 📅 Schedule: pydata.org/paris2025/schedule 🎟 Tickets: pydata.org/paris2025/tickets

📢 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

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!

📢 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

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/...

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...

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.

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 !

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!

📢 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

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...

Welcome to our new sponsor @quantco.com !

📢 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"

📢 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

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.

📢 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

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...

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

🎉 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...

JupyterLab 4.4 and Notebook 7.4 are now available! 🎉 Coming with new features 🎁 - Code console improvements - Settings import and export - Workspace indicator - Kernel subshells support But also with bug fixes and other enhancements. Check out the blog post! blog.jupyter.org/jupyterlab-4...

The week of September 29th, Paris will become the epicenter of #opensource scientific computing, with a great series of events. This rare alignment creates the perfect opportunity to visit and join a vibrant community of developers, maintainers, and users! Check this out (links in thread) ⬇️

Meet Sylvain Corlay, the founder and CEO of QuantStack, who started the company to support his open-source contributions to the Jupyter project and now leads a team of over 30 individuals dedicated to creating impactful scientific computing software used by millions worldwide.

Meet Matthias Meschede, COO at QuantStack, who ensures smooth operations from initial customer contact to solution implementation. He values QuantStack's engineering-led work culture, focusing on automation and creativity, while contributing to impactful open-source projects. youtu.be/Mxgo3USfE9s

Discover the journey of Meriem Ben Ismail, software engineer at QuantStack. She shares her contributions to open-source projects like JupyterLab and Jupyter Notebook. Her story highlights QuantStack's collaborative culture and the impact QS has on the DS community.