https://quantstack.net/ Recent blog posts featured by QuantStack team 2026-04-02T14:57:33.634Z https://github.com/jpmonette/feed QuantStack Team https://quantstack.net Atom feed for QuantStack website blog page <![CDATA[How notebook.link Scales Without Backends]]> https://prefix.dev/blog/serverless-scientific-computing-how-notebook-link-scales-without-backends 2026-03-27T00:00:00.000Z

Notebook.link combines WebAssembly and the conda ecosystem to deliver scalable, serverless computing environments that run entirely in the browser.

]]> Sylvain Corlay <![CDATA[Faster Reads for Apache Parquet: Improving Integer Unpacking]]> https://medium.com/@AntoineProuvost/faster-reads-for-apache-parquet-improving-integer-unpacking-f6e21ce49a85 2026-03-16T00:00:00.000Z

By rewriting the SIMD optimizations of a critical low-level algorithm in Arrow C++, we have been able to deliver substantial speedups when reading Parquet data, up to 60% on some Arrow benchmarks with specific column encodings.

]]> Antoine Prouvost <![CDATA[Expanding Geospatial Workflows in JupyterGIS: STAC Browsing and Story Maps]]> https://blog.jupyter.org/expanding-geospatial-workflows-in-jupytergis-stac-browsing-and-story-maps-7fb98eece82e 2026-02-19T00:00:00.000Z

We introduce two new JupyterGIS features: a STAC browser integrated directly into JupyterGIS, and a new Story Map feature, which makes it possible to combine maps and narrative content in a single, interactive view.

]]> Gregory Mooney <![CDATA[JupyterLite Officially Joins Project Jupyter]]> https://blog.jupyter.org/jupyterlite-officially-joins-project-jupyter-77df24c8db80 2026-02-12T00:00:00.000Z

We are thrilled to announce that JupyterLite is now an official part of Project Jupyter. This milestone marks a significant step forward for interactive computing in the browser and strengthens JupyterLite’s role within the Jupyter ecosystem.

]]> Jérémy Tuloup, Sylvain Corlay, Fernando Pérez <![CDATA[Instantly view Parquet files in JupyterLab with Arbalister]]> https://blog.jupyter.org/instantly-view-parquet-files-in-jupyterlab-with-arbalister-4799c28bbce7 2026-01-29T00:00:00.000Z

Arbalister is a JupyterLab extension that enables seamless viewing of many tabular file formats, including Parquet, CSV, Avro, ORC, and SQLite.

]]> Antoine Prouvost <![CDATA[Introducing notebook.link: The Future of Notebook Sharing]]> https://medium.com/@QuantStack/introducing-notebook-link-the-future-of-notebook-sharing-5de900a97b4a 2026-01-22T00:00:00.000Z

We are excited to unveil notebook.link, a groundbreaking platform that simplifies sharing and running notebooks like never before.

]]> QuantStack <![CDATA[JupyterLite 0.7 is released! 🎉]]> https://blog.jupyter.org/jupyterlite-0-7-is-released-67db4d1609ad 2025-12-04T00:00:00.000Z

The new 0.7 release includes a number of new features, bug fixes, and enhancements. This release also brings significant improvements to the user experience and new customization options for JupyterLite deployments.

]]> Jeremy Tuloup <![CDATA[Teaching a Billion People to Code: How JupyterLite Is Scaling the Impossible]]> https://thenewstack.io/teaching-a-billion-people-to-code-how-jupyterlite-is-scaling-the-impossible/ 2025-12-01T00:00:00.000Z

QuantStack, an “almost accidental startup,” is building a serverless distro of JupyterLab for Jupyter’s global adoption.

]]> Michelle Gienow <![CDATA[JupyterLab 4.5 and Notebook 7.5 are available!]]> https://blog.jupyter.org/jupyterlab-4-5-and-notebook-7-5-are-available-1bcd1fa19a47 2025-11-24T00:00:00.000Z

JupyterLab 4.5 has been released! This new minor release of JupyterLab includes 51 new features and enhancements, 81 bug fixes, 44 maintenance tasks and 38 documentation improvements.

]]> Jeremy Tuloup <![CDATA[GNU Octave Meets JupyterLite: Compute Anywhere, Anytime!]]> https://blog.jupyter.org/gnu-octave-meets-jupyterlite-compute-anywhere-anytime-8b033afbbcdc 2025-10-16T00:00:00.000Z

We are thrilled to announce the newest member of our JupyterLite kernel ecosystem: Xeus-Octave. Xeus-Octave allows you to run GNU Octave code directly on your browser.

]]> Isabel Paredes <![CDATA[JupyterGIS breaks through to the next level]]> https://eo4society.esa.int/2025/10/16/jupytergis-breaks-through-to-the-next-level/ 2025-10-16T00:00:00.000Z

Launched in June 2024, JupyterGIS was introduced as a collaborative, web-based GIS environment built on the JupyterLab framework. Its objective is to bring QGIS-inspired workflows into the browser…

]]> Martin Renou, Arjun Verma, Gregory Mooney, Sylvain Corlay <![CDATA[Sovereign Tech Agency Invests in Apache Arrow’s Future with QuantStack]]> https://medium.com/@QuantStack/sovereign-tech-agency-invests-in-apache-arrows-future-with-quantstack-d2f84c21c2cc 2025-10-07T00:00:00.000Z

We are thrilled to announce that the Sovereign Tech Fund is providing critical funding to sustain and improve Apache Arrow, an essential open-source project in the modern data ecosystem.

]]> Antoine Pitrou, Raúl Cumplido <![CDATA[From Linux Parties to Global Impact: An Interview with Sylvain Corlay, Founder of QuantStack]]> https://www.open-source-ward.com/from-linux-parties-to-global-impact-an-interview-with-sylvain-corlay-founder-of-quantstack/ 2025-09-18T00:00:00.000Z

In today’s article, we had the chance to speak with Sylvain Corlay, long-time contributor of the Jupyter project, used by millions of people worldwide, and CEO-founder of QuantStack, an open-source development company employing around thirty people.

]]> Sylvain Corlay, Arthur Vervaet <![CDATA[A Year in Review: QuantStack’s Contributions to Apache Arrow]]> https://medium.com/@QuantStack/a-year-in-review-quantstacks-contributions-to-apache-arrow-7eba38acbcf2 2025-09-02T00:00:00.000Z

Since November 2024, QuantStack has been involved in the maintenance and development of Apache Arrow. We have a team of several engineers working…

]]> Antoine Pitrou, Raúl Cumplido <![CDATA[Create your own layers in JupyterGIS]]> https://david-brochart.medium.com/create-your-own-layers-in-jupytergis-cbb995a89b16 2025-06-25T00:00:00.000Z

JupyterGIS-tiler is a JupyterGIS extension that lets you use a notebook to process your (Xarray) data and make it available as raster tiles, so that it can be visualized in JupyterGIS.

]]> David Brochart <![CDATA[C++ in Jupyter — Interpreting C++ in the Web]]> https://blog.jupyter.org/c-in-jupyter-interpreting-c-in-the-web-c9d93542f20b 2025-06-19T00:00:00.000Z

Scientists and engineers utilize programming languages not only to build software systems but also to drive interactive exploratory workflows. They leverage developer tools to explore and reason through problems effectively.

]]> Anutosh Bhat, Vassil Vassilev <![CDATA[JupyterLite 0.6.0 is released! 🎉]]> https://blog.jupyter.org/jupyterlite-0-6-0-is-released-b4bc69bfc8f4 2025-06-12T00:00:00.000Z

The new 0.6.0 release includes a number of new features, bug fixes, and enhancements. This release also brings significant improvements to the user experience and new customization options for JupyterLite deployments.

]]> Jeremy Tuloup <![CDATA[JupyterLab 4.4 and Notebook 7.4 are available!]]> https://blog.jupyter.org/jupyterlab-4-4-and-notebook-7-4-are-available-aca2782d4f3d 2025-05-21T00:00:00.000Z

JupyterLab 4.4 has been released! This new minor release of JupyterLab includes 28 new features and enhancements, 76 bug fixes, 63 maintenance tasks and 34 documentation improvements.

]]> Jeremy Tuloup <![CDATA[Congratulations, Distinguished Contributors!]]> https://blog.jupyter.org/congratulations-distinguished-contributors-2504029fc5a9 2025-05-15T00:00:00.000Z

We are proud to announce the recipients of the Jupyter Distinguished Contributor (JDC) award for the 2024 cohort of contributors.

]]> Johan Mabille <![CDATA[Making Qt collaborative using CRDTs]]> https://david-brochart.medium.com/making-qt-collaborative-using-crdts-94c470703253 2025-03-31T00:00:00.000Z

A journal on creating a collaborative application with Qt

]]> David Brochart