# Latest

**URL:** https://discourse.jupyter.org/latest.md

[Latest](https://discourse.jupyter.org/latest.md) · [Categories](https://discourse.jupyter.org/categories.md) · [Tags](https://discourse.jupyter.org/tags.md)

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## [Welcome to Discourse](https://discourse.jupyter.org/t/welcome-to-discourse/8)

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**Author:** [@system](https://discourse.jupyter.org/u/system)\
**Replies:** 0\
**Last updated:** [October 29, 2018, 4:05pm UTC](https://discourse.jupyter.org/t/welcome-to-discourse/8 "2018-10-29T16:05:49Z")

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Welcome to the Jupyter community forums! This is a positive, inclusive, and constructive community space for Jovians to ask questions about Jupyter, share their ideas and experiences, and help one another out. Please joi…

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## [Implementing Tokenization - Not getting installed and stops with ^C](https://discourse.jupyter.org/t/implementing-tokenization-not-getting-installed-and-stops-with-c/38881)

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**Author:** [@MKL](https://discourse.jupyter.org/u/MKL)\
**Replies:** 1\
**Last updated:** [September 24, 2026, 8:47am UTC](https://discourse.jupyter.org/t/implementing-tokenization-not-getting-installed-and-stops-with-c/38881 "2026-09-24T08:47:21Z")

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Trying to run the Implementing Tokenization lab, But the installation is not done and none of the cells post the installation is even execution.

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## [Security releases: JupyterLab 4.6.4, 4.5.11 & Notebook 7.6.3](https://discourse.jupyter.org/t/security-releases-jupyterlab-4-6-4-4-5-11-notebook-7-6-3/38879)

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**Author:** [@krassowski](https://discourse.jupyter.org/u/krassowski)\
**Replies:** 0\
**Last updated:** [September 22, 2026, 9:57am UTC](https://discourse.jupyter.org/t/security-releases-jupyterlab-4-6-4-4-5-11-notebook-7-6-3/38879 "2026-09-22T09:57:29Z")

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Four vulnerabilities patched in this set of releases: GHSA-6966-vjj6-99xv - 6.8 (8.1 on v4.5.0 and v4.5.1): Cross-site scripting (XSS) in JupyterLab via notebook cells pasted from the system clipboard GHSA-3jqq-pw4j-pq…

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## [What is the intended behavior for the admin page list with named servers?](https://discourse.jupyter.org/t/what-is-the-intended-behavior-for-the-admin-page-list-with-named-servers/38878)

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**Author:** [@dstack4273](https://discourse.jupyter.org/u/dstack4273)\
**Replies:** 2\
**Last updated:** [September 21, 2026, 8:09pm UTC](https://discourse.jupyter.org/t/what-is-the-intended-behavior-for-the-admin-page-list-with-named-servers/38878 "2026-09-21T20:09:48Z")

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Hello, I’ve noticed some behavior on the admin page when using named servers along with c.DockerSpawner.remove=True. The containers stop and are removed when the user signs out/closes their tabs as I would expect. But t…

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## [Logs flooded with 403s](https://discourse.jupyter.org/t/logs-flooded-with-403s/33867)

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**Author:** [@maatthias](https://discourse.jupyter.org/u/maatthias)\
**Replies:** 20\
**Last updated:** [September 21, 2026, 8:07pm UTC](https://discourse.jupyter.org/t/logs-flooded-with-403s/33867 "2026-09-21T20:07:16Z")

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For last few weeks jupyterhub server logs have filled up with messages like these: Mar 17 10:35:20 jupyter jupyterhub\[1232207\]: \[W 2025-03-17 10:35:20.685 JupyterHub web:1873\] 403 POST /hub/api/users/jsmith/activity (10…

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## [JupyterLab not responding](https://discourse.jupyter.org/t/jupyterlab-not-responding/38876)

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**Author:** [@M\_Heinrich](https://discourse.jupyter.org/u/M_Heinrich)\
**Replies:** 1\
**Last updated:** [September 18, 2026, 6:54pm UTC](https://discourse.jupyter.org/t/jupyterlab-not-responding/38876 "2026-09-18T18:54:01Z")

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Tried to fix problem using Tai but got nowhere. Tai said to include this: When posting, include: Course: Develop Generative AI Applications: Get Started Notebook: In-Context Learning and Prompt Templates for Advanced …

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## [Kuusi — JupyterLab notebook Extensions Mind Map (feedback welcome)](https://discourse.jupyter.org/t/kuusi-jupyterlab-notebook-extensions-mind-map-feedback-welcome/38802)

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**Author:** [@Hans\_Cao](https://discourse.jupyter.org/u/Hans_Cao)\
**Replies:** 3\
**Last updated:** [September 17, 2026, 8:33pm UTC](https://discourse.jupyter.org/t/kuusi-jupyterlab-notebook-extensions-mind-map-feedback-welcome/38802 "2026-09-17T20:33:11Z")

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Hi everyone, Kuusi is a JupyterLab 4 extension that turns a notebook into a spatial mind map: markdown headings become the tree, and cells stay native Jupyter Code/Markdown cells (not a custom editor). V0.2.4 Screen…

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## [JupyterHub Terminal gets clobbered with ascii color codes (?)](https://discourse.jupyter.org/t/jupyterhub-terminal-gets-clobbered-with-ascii-color-codes/38846)

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**Author:** [@havarpan](https://discourse.jupyter.org/u/havarpan)\
**Replies:** 11\
**Last updated:** [September 14, 2026, 2:11pm UTC](https://discourse.jupyter.org/t/jupyterhub-terminal-gets-clobbered-with-ascii-color-codes/38846 "2026-09-14T14:11:03Z")

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I’m not sure whether ascii color codes is the right way to put it, but it looks like this: \[myuser@jupyterhub ~\]$ 2R0;276;0c10;rgb:0000/0000/000011;rgb:ffff/ffff/ffff12;2$y2R0;276;0c10;rgb:0000/0000/000011;rgb:ffff/ffff…

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## [Cannot upload videos here](https://discourse.jupyter.org/t/cannot-upload-videos-here/38872)

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**Author:** [@frutty](https://discourse.jupyter.org/u/frutty)\
**Replies:** 1\
**Last updated:** [September 14, 2026, 7:59am UTC](https://discourse.jupyter.org/t/cannot-upload-videos-here/38872 "2026-09-14T07:59:41Z")

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If you click “New Topic” and drag a video file in the resulting window, the browser redirects to a tab showing the video file and you lose the topic. Also, the upload button doesn’t support video uploads, only images …

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## [Phantom Text bug](https://discourse.jupyter.org/t/phantom-text-bug/38871)

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**Author:** [@frutty](https://discourse.jupyter.org/u/frutty)\
**Replies:** 1\
**Last updated:** [September 13, 2026, 4:29am UTC](https://discourse.jupyter.org/t/phantom-text-bug/38871 "2026-09-13T04:29:42Z")

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I have phantom text problems in JupyterLab. I type text in a cell, the text shows on the screen, but the cursor stays where it is (it should move after the typed text), then the text I typed disappears and the cell runs…

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## [DevScholar for JupyterLab: hover metadata and PDF preview for paper references in notebooks](https://discourse.jupyter.org/t/devscholar-for-jupyterlab-hover-metadata-and-pdf-preview-for-paper-references-in-notebooks/38867)

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**Author:** [@pallaprolus](https://discourse.jupyter.org/u/pallaprolus)\
**Replies:** 0\
**Last updated:** [September 12, 2026, 3:52pm UTC](https://discourse.jupyter.org/t/devscholar-for-jupyterlab-hover-metadata-and-pdf-preview-for-paper-references-in-notebooks/38867 "2026-09-12T15:52:01Z")

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Hi all, I built a small JupyterLab 4 extension for research notebooks and just released 0.4.0. What it does: when a notebook mentions a paper, for example arxiv:1706.03762, doi:10.1038/nature14539 or a full arXiv or DO…

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## [Notebook only takes 2/3 of the window](https://discourse.jupyter.org/t/notebook-only-takes-2-3-of-the-window/38842)

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**Author:** [@Tiberius](https://discourse.jupyter.org/u/Tiberius)\
**Replies:** 5\
**Last updated:** [September 6, 2026, 1:55pm UTC](https://discourse.jupyter.org/t/notebook-only-takes-2-3-of-the-window/38842 "2026-09-06T13:55:26Z")

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After I hit a keyboard shortcut wrong, suddenly there are these wide margins on either side of the notebook. I tried using “enable full width notebook,” but it doesn’t fix the size of the toolbar above. I just want it t…

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## [Long lines truncated when removing indentation using Alt + vertical selection + Backspace in JupyterLab](https://discourse.jupyter.org/t/long-lines-truncated-when-removing-indentation-using-alt-vertical-selection-backspace-in-jupyterlab/38801)

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**Author:** [@ortollj](https://discourse.jupyter.org/u/ortollj)\
**Replies:** 3\
**Last updated:** [September 4, 2026, 2:22pm UTC](https://discourse.jupyter.org/t/long-lines-truncated-when-removing-indentation-using-alt-vertical-selection-backspace-in-jupyterlab/38801 "2026-09-04T14:22:42Z")

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I encountered a reproducible issue in JupyterLab when editing Python/Sage code blocks with multiple indentation levels. Steps to reproduce: Paste a block of code containing several indentation levels into a JupyterLa…

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## [\[ANN\] JupyterHub 6.0 release](https://discourse.jupyter.org/t/ann-jupyterhub-6-0-release/38853)

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**Author:** [@minrk](https://discourse.jupyter.org/u/minrk)\
**Replies:** 0\
**Last updated:** [September 1, 2026, 10:02pm UTC](https://discourse.jupyter.org/t/ann-jupyterhub-6-0-release/38853 "2026-09-01T22:02:42Z")

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JupyterHub 6.0.0 is out, available now on PyPI and conda-forge! Check out what’s new and especially our upgrade docs to see what’s changed and how you might need to prepare to upgrade. As always, please report any issue…

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## [\[ANN\] JupyterHub 5.5.2 security release](https://discourse.jupyter.org/t/ann-jupyterhub-5-5-2-security-release/38852)

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**Author:** [@minrk](https://discourse.jupyter.org/u/minrk)\
**Replies:** 0\
**Last updated:** [September 1, 2026, 9:42pm UTC](https://discourse.jupyter.org/t/ann-jupyterhub-5-5-2-security-release/38852 "2026-09-01T21:42:32Z")

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We’ve just published JupyterHub 5.5.2 (and helm chart 4.4.2), fixing a low-severity vulnerability in user-initiated sharing. Deployments that don’t enable user-initiated sharing OR don’t rename users cannot be affected.

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## [Installation issue](https://discourse.jupyter.org/t/installation-issue/38851)

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**Author:** [@someguy](https://discourse.jupyter.org/u/someguy)\
**Replies:** 3\
**Last updated:** [August 31, 2026, 8:04pm UTC](https://discourse.jupyter.org/t/installation-issue/38851 "2026-08-31T20:04:02Z")

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I followed the instructions on the Jupyter main site, the pip commands went fine, but there’s a missing next step because ‘jupyter notebook’ reports that jupyter is not found. How to get this to work? Thanks.

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## [PRIK + Jupyter: Fortran and C directly in a Python notebook](https://discourse.jupyter.org/t/prik-jupyter-fortran-and-c-directly-in-a-python-notebook/38849)

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**Author:** [@Said-H](https://discourse.jupyter.org/u/Said-H)\
**Replies:** 2\
**Last updated:** [August 31, 2026, 3:59pm UTC](https://discourse.jupyter.org/t/prik-jupyter-fortran-and-c-directly-in-a-python-notebook/38849 "2026-08-31T15:59:16Z")

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I’ve been working on PRIK (Python Runtime Interop Kit), a tool for generating native Python bindings for Fortran and C. I’ve recently added an IPython/Jupyter integration, so native code can be compiled directly from a …

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## [PYTHONPATH not used in Jupyter lab as service](https://discourse.jupyter.org/t/pythonpath-not-used-in-jupyter-lab-as-service/38225)

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**Author:** [@ryanGT](https://discourse.jupyter.org/u/ryanGT)\
**Replies:** 2\
**Last updated:** [August 31, 2026, 2:44pm UTC](https://discourse.jupyter.org/t/pythonpath-not-used-in-jupyter-lab-as-service/38225 "2026-08-31T14:44:29Z")

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I have Jupyter lab running as a service in a virtual environment on an Ubuntu machine (24 LTS I think). It works perfectly except that it doesn’t load my PYTHONPATH from ~/.bashrc. Here is the service plist file conten…

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## [Linux: conda-installed Notebook ships .desktop launchers but never puts them in the app menu — here's the fix](https://discourse.jupyter.org/t/linux-conda-installed-notebook-ships-desktop-launchers-but-never-puts-them-in-the-app-menu-heres-the-fix/38847)

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**Author:** [@StoneFYI](https://discourse.jupyter.org/u/StoneFYI)\
**Replies:** 0\
**Last updated:** [August 30, 2026, 9:39pm UTC](https://discourse.jupyter.org/t/linux-conda-installed-notebook-ships-desktop-launchers-but-never-puts-them-in-the-app-menu-heres-the-fix/38847 "2026-08-30T21:39:47Z")

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After installing Jupyter Notebook into a conda env on Linux (KDE, but this applies to GNOME too), nothing appears in the application menu. A newcomer has no way to discover how to launch it short of knowing to activate t…

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## [Type Error with Tensor Flow and MNIST Dataset](https://discourse.jupyter.org/t/type-error-with-tensor-flow-and-mnist-dataset/25648)

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**Author:** [@Rosh](https://discourse.jupyter.org/u/Rosh)\
**Replies:** 1\
**Last updated:** [August 23, 2026, 2:44pm UTC](https://discourse.jupyter.org/t/type-error-with-tensor-flow-and-mnist-dataset/25648 "2026-08-23T14:44:32Z")

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I’ve been trying to run a mnist file but I received a type error that I don’t know how to fix. After looking at each file listed in the type error, I saw that the code was written as it should be in line indicated in eac…

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## [\[First review early September\] Open source research software engineering at BIDS: BioJupyter and Lightcone](https://discourse.jupyter.org/t/first-review-early-september-open-source-research-software-engineering-at-bids-biojupyter-and-lightcone/38839)

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**Author:** [@KirstieJane](https://discourse.jupyter.org/u/KirstieJane)\
**Replies:** 0\
**Last updated:** [August 19, 2026, 4:41pm UTC](https://discourse.jupyter.org/t/first-review-early-september-open-source-research-software-engineering-at-bids-biojupyter-and-lightcone/38839 "2026-08-19T16:41:41Z")

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Hi everyone!! :rotating\_light::rotating\_light: BIDS is hiring!! :rotating\_light::rotating\_light: We have SIX - that’s right 6 (six) - software development roles that have just opened at the Berkeley Institute for Data …

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## [Problem Accessing Packages Installed to Root](https://discourse.jupyter.org/t/problem-accessing-packages-installed-to-root/38836)

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**Author:** [@Snow](https://discourse.jupyter.org/u/Snow)\
**Replies:** 0\
**Last updated:** [August 18, 2026, 4:26pm UTC](https://discourse.jupyter.org/t/problem-accessing-packages-installed-to-root/38836 "2026-08-18T16:26:59Z")

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Hey all, I have created several jupyter desktop app files for my workflow, and have recently upgraded to windows 11 from windows 10. I was hoping it would be as easy as reinstalling python to root, then installing jupy…

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## [\[ANN\] JupyterHub 6.0 beta](https://discourse.jupyter.org/t/ann-jupyterhub-6-0-beta/38830)

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**Author:** [@minrk](https://discourse.jupyter.org/u/minrk)\
**Replies:** 1\
**Last updated:** [August 18, 2026, 11:14am UTC](https://discourse.jupyter.org/t/ann-jupyterhub-6-0-beta/38830 "2026-08-18T11:14:10Z")

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Announcing the first prerelease of JupyterHub 6, available now on PyPI! Check out what’s new and especially our upgrade docs to see what’s changed and what’s coming and how you might need to prepare to upgrade. If you c…

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## [ATLAS Open Data notebook can't reach opendata.mwt2.org from Binder: Network unreachable (https) / redirect limit reached (xrootd)](https://discourse.jupyter.org/t/atlas-open-data-notebook-cant-reach-opendata-mwt2-org-from-binder-network-unreachable-https-redirect-limit-reached-xrootd/38831)

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**Author:** [@kratsg](https://discourse.jupyter.org/u/kratsg)\
**Replies:** 5\
**Last updated:** [August 17, 2026, 9:08pm UTC](https://discourse.jupyter.org/t/atlas-open-data-notebook-cant-reach-opendata-mwt2-org-from-binder-network-unreachable-https-redirect-limit-reached-xrootd/38831 "2026-08-17T21:08:11Z")

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Hi Binder team! We run an ATLAS (LHC particle physics) Open Data facility at the University of Chicago (opendata.mwt2.org), and we’re trying to get it working as a data source inside the standard ATLAS Open Data teachin…

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## [Using Jupyter AI without Real-Time Collaboration (RTC)](https://discourse.jupyter.org/t/using-jupyter-ai-without-real-time-collaboration-rtc/38782)

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**Author:** [@guy\_ford](https://discourse.jupyter.org/u/guy_ford)\
**Replies:** 10\
**Last updated:** [August 17, 2026, 9:07am UTC](https://discourse.jupyter.org/t/using-jupyter-ai-without-real-time-collaboration-rtc/38782 "2026-08-17T09:07:35Z")

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Hi everyone, I’m trying to deploy Jupyter AI in a multi-user JupyterHub environment running on an HPC cluster. Our users do not need Real-Time Collaboration (RTC). We only want the AI capabilities (chat, notebook assis…

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## [Structuring a reproducible notebook for reviewing AI-generated image drafts?](https://discourse.jupyter.org/t/structuring-a-reproducible-notebook-for-reviewing-ai-generated-image-drafts/38784)

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**Author:** [@Martyn\_Foster](https://discourse.jupyter.org/u/Martyn_Foster)\
**Replies:** 2\
**Last updated:** [August 16, 2026, 4:28am UTC](https://discourse.jupyter.org/t/structuring-a-reproducible-notebook-for-reviewing-ai-generated-image-drafts/38784 "2026-08-16T04:28:03Z")

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I’ve been generating image drafts using an external browser tool (Muse Image) for a poster layout project, and now I’m trying to build a Jupyter notebook that lets my team review the outputs in a structured, reproducible…

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## [MacOS Tahoe breaks docker-jupyter websocket connection](https://discourse.jupyter.org/t/macos-tahoe-breaks-docker-jupyter-websocket-connection/38825)

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**Author:** [@swellsmo](https://discourse.jupyter.org/u/swellsmo)\
**Replies:** 0\
**Last updated:** [August 12, 2026, 7:39pm UTC](https://discourse.jupyter.org/t/macos-tahoe-breaks-docker-jupyter-websocket-connection/38825 "2026-08-12T19:39:17Z")

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Not sure which category this falls under. I just spent the last 3 days banging my head against this and wanted to share the fix I found. I recently updated from Sequoia to Tahoe (26.6.1) on my Mac Mini M4. After updatin…

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## [.ipynb in JupyterLab Scheduler](https://discourse.jupyter.org/t/ipynb-in-jupyterlab-scheduler/38824)

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**Author:** [@yannaingoo9](https://discourse.jupyter.org/u/yannaingoo9)\
**Replies:** 0\
**Last updated:** [August 11, 2026, 4:01pm UTC](https://discourse.jupyter.org/t/ipynb-in-jupyterlab-scheduler/38824 "2026-08-11T16:01:49Z")

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.ipynb in JupyterLab scheduler. If I change code in .ipynb file will it automatically run with latest change or do i need to resetup the scheduler again? Thank advance for your advice.

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## [\[ANN\] JupyterHub 5.5.1 security release](https://discourse.jupyter.org/t/ann-jupyterhub-5-5-1-security-release/38821)

<div class="topic-metadata">

**Author:** [@minrk](https://discourse.jupyter.org/u/minrk)\
**Replies:** 0\
**Last updated:** [August 10, 2026, 10:42pm UTC](https://discourse.jupyter.org/t/ann-jupyterhub-5-5-1-security-release/38821 "2026-08-10T22:42:55Z")

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We’ve just released JupyterHub 5.5.1, fixing two security vulnerabilities, neither of which affect default configurations: GHSA-c4gm-pwx9-9w8j (CVE pending) high-level vulnerability in user-initiated sharing (no effect…

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## [Problem in detection of TeX With the $ sign](https://discourse.jupyter.org/t/problem-in-detection-of-tex-with-the-sign/38816)

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**Author:** [@Lakshit\_Verma](https://discourse.jupyter.org/u/Lakshit_Verma)\
**Replies:** 1\
**Last updated:** [August 9, 2026, 7:28pm UTC](https://discourse.jupyter.org/t/problem-in-detection-of-tex-with-the-sign/38816 "2026-08-09T19:28:15Z")

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Hi everyone, While exploring JupyterLab’s Markdown rendering, I came across issue #19224 regarding smarter handling of inline math delimited by $. I was able to reproduce behavior that seems related to the issue. In a …

[Next page](https://discourse.jupyter.org/latest.md?page=1)