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...

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...

Introducing Molview - the ipython/jupyter widget version of nano-protein-viewer🔍:

I used to think the friction in community OSS/corporate dynamics comes from a difference in culture between organizations and teams. The more I see the same team flip between amazing and questionable contribution trajectory the more I think this comes down to changing internal direction/incentives.

It is hard to express criticism as an established maintainer. The words which I could say as a user now hit differently, even if I mean the same thing.

There are two things you should not remove when transitioning to a metapackage: integration tests and documentation. In fact, the transition should double down on these two things as they are critical to ensure the packages integrate well, and that discoverability is preserved.

A mismatch of expectation on what irks #OSS maintainers: I saw folks really worry about removing a feature I contributed due to lack of bandwidth to port it to new version - but this was absolutely fine! I saw them remove tests and ignore my warning against it - and this is what in fact made me sad.

New exciting features are coming to #JupyterLab 4.5.0. Please test the release candidate before & during the JupyterCon (next week!) Major enhancements around: - performance and scroll stability - notebook editing - table of contents - debugger - terminal jupyterlab.readthedocs.io/en/latest/ge...

We've learned that our member communities care a *lot* about cloud cost transparency and reliability, so we're working hard to drill down into user data about costs and usage for community leaders to access.

Go from JupyterLab user to creator 🚀 At JupyterCon 2025, learn to build + publish custom extensions for real-world workflows — guided by experts in JupyterLab development. 🗓️ Nov 3 | San Diego Details: sched.co/28H2m Register: events.linuxfoundation.org/jupytercon/r...

🚨 The deadline for Jupyter Community Funding Proposals (blog.jupyter.org/your-ideas-o...) has been extended to October 5th, 2025 ( by one week). We've got a few great-looking proposals in the works (github.com/orgs/jupyter...), so you've all got another 7 days to write!

WHO’S IN? JupyterCon is coming to San Diego Nov. 4-5 with bonus days for Technical Training (Nov. 3) & Community Sprints (Nov. 6). Save $100 when you register by Oct. 3. 🔸 View the schedule: bit.ly/4gpqkzy 🔸Register: bit.ly/47C1XMK

A reminder that there are two Call for Proposals out from the Jupyter Foundation! 👉 Jupyter Community Workshops: blog.jupyter.org/jupyter-comm... 👉 Jupyter Community Support funding: blog.jupyter.org/your-ideas-o... Check them out and share the word!

You’re invited to join the next Jupyter Community Call on September 4th, 2025. Get updates from across the Jupyter ecosystem, hear talks from community members, and get involved. It’s a great way to connect, contribute, and engage! The Zoom link in our blog post: blog.jupyter.org/jupyter-comm...

Jupyter Community Workshops are back! Workshops will be held through February 2026. The call for proposals is open until September 7th! Learn more and submit your proposal here: blog.jupyter.org/jupyter-comm...

Have a great idea for Project Jupyter? We want to help you build it! 🚀 The Jupyter Foundation is now accepting funding proposals from all community members. This is your chance to make a direct impact. Learn how to apply! 👇 blog.jupyter.org/your-ideas-o...

👋 JupyterLab and Jupyter Notebook users: What's one thing you'd love to see improved in JupyterLab, Jupyter Notebook, or JupyterLite? The team is prepping the upcoming 4.5/7.5 releases and wants to tackle some usability issues. Drop your feedback below, this will help prioritize what gets fixed!👇

JupyterLab 4.4 and Jupyter Notebook 7.4 will be available very soon. And they are coming with a couple of nice improvements and bug fixes 🎁 So I just published a new video to do a quick tour of these new features 🎥 www.youtube.com/watch?v=YhYo...

JupyterLab 4.4.0b1 and Notebook 7.4.0b1 are available for testing 🎉 - improved code console - settings import/export - better real time collaboration - workspace indicator - kernel subshells Please test: pip install --pre 'jupyterlab>=4.4.0b1' or pip install --pre 'notebook>=7.4.0b1'

JupyterLab 4.4.0b1 and Notebook 7.4.0b1 are available for testing 🎉 - improved code console - settings import/export - better real time collaboration - workspace indicator - kernel subshells Please test: pip install --pre 'jupyterlab>=4.4.0b1' or pip install --pre 'notebook>=7.4.0b1'

The Binder team recently made environment builds faster and simpler! Here's a post describing how: blog.jupyter.org/simplifying-...

Tired of complex cloud setups? Quansight's Nebari makes JupyterHub deployment a breeze. Scalable, secure, and ready in half an hour. Dive into the details: https://buff.ly/3WPvg7Y #Jupyter #OpenSource

The PR improving the JupyterLab code consoles has been merged, and is now available in the latest JupyterLab, Notebook and JupyterLite pre-releases! ➡️ pip install --pre jupyterlab notebook 💡We're working on making the new options available in the JupyterLite REPL, stay tuned! 💡

#JupyterLab 4.3.5 is available. Includes fixes for: - scroll restoration on undo/redo - accessibility: color contrast and missing titles - disabling fuzzy filtering in file browser - general stability - execution indicator restoration (for server-side execution) github.com/jupyterlab/j... #jupyter

JupyterLite 0.5.0 is now available🎉 This release is based on the latest JupyterLab 4.3 and Jupyter Notebook 7.3, and includes features such as the notebook minimap and a new "execute" config for the REPL 🎁 It also comes with a fix for better handling kernel restarts. Enjoy!

RTC: prefix has been a roadblock in wider adoption of #jupyter collaboration as many extensions did not support it. The RTC prefix is no more thanks to content providers pioneered by @davidbrochart.bsky.social 🎉 To test it: pip install --pre "jupyterlab>=4.4.0a2" "jupyter-collaboration>=4.0.0a0"

Persist: A fantastic JupyterLab extension (+ research paper) by Kiran Gadhave, Zach Cutler, and @alex-lex.bsky.social. Persist captures interaction provenance, making interactions persistent and reusable. 👏 More details on their blog post with code at vdl.sci.utah.edu/blog/2024/05.... 📊

And the Jupyter Notebook releases are now also available 🎉 - github.com/jupyter/note... - github.com/jupyter/note... Please try and report issues if you find any, thanks!

Two new JupyterLab releases out today: 4.3.4 with a bunch of bug fixes, and 4.4.0a1 with two prominent changes: - new settings import function - a fix for a bug preventing scrolling away from some cells (by pulling patched CodeMirror versions) github.com/jupyterlab/j... github.com/jupyterlab/j...

PSA for the umpteenth official contacting @projectjupyter.bsky.social asking us to fill out some kind of "security vendor assessment" - please read this. We're an open source project, not a vendor. We don't hold your data, we don't sell you anything: jupyter.org/security#ven...

#FreeCAD #Jupyter #3D #OpenSource JupyterCAD, a collaborative #CAD viewer for #JupyterLab 😍 @freecadnews.bsky.social

Big milestone for Project Jupyter 🚨: Jupyter has finalized the creation of the Jupyter Foundation, hosted by @linuxfoundation.org. www.linuxfoundation.org/press/linux-...