microsoft / vscode-jupyter Public · Notifications · You must be signed in to change notification settings · Fork 377 · Star 1.5k · September Endgame · #17019 · Yoyokrazy opened · on Oct 1, 2025 · 3 · Unable to run notebook cells with spaces in path · #17042 · dakenblack opened · on Oct 10, 2025 · 14 · Search Issues ·

October 7, 2023 - Jupyter for vscode continues to be slow (for large notebooks with mardown cells & large outputs)#14459 ... bugIssue identified by VS Code Team member as probable bugIssue identified by VS Code Team member as probable bugon-testplanperfPerformance issuesPerformance issues

December 21, 2020 - 🐍two kernel selection options at the bottom When using native notebooks, if kernel selector is shown, interpreter selector should be hidden vscode-jupyter#3979 ... 🐍severe performance issues.

June 10, 2024 - in.js:sourcemap:1985 workbench.desktop.main.js:sourcemap:651 INFO [perf] Render performance baseline is 19ms workbench.desktop.main.js:sourcemap:651 ERR [Extension Host] ex workbench.desktop.main.js:sourcemap:148 [Extension Host] ex p @ workbench.desktop.main.js:sourcemap:148 workbench.desktop.main.js:sourcemap:651 ERR [Extension Host] Error: timeout at Timeout.p (/home/jeffliu/.vscode-server/extensions/ms-toolsai.jupyter-2024.2.0-linux-x64/dist/extension.node.js:55:1754) at listOnTimeout (node:internal/timers:569:17) at process.processTimers (node:internal/timers:512:7) workbench.desktop.main

December 27, 2025 - The slider does not display, but when I use the "Change Presentation Option" to "text/plain" it does have the text "FloatSlider(value=0.0)". Quitting and restarting the notebook results in the following error being recorded in place of the slider: "Could not render content for 'application/vnd.jupyter.widget-view+json' {"model_id":"35feb5565fc74656a0518da732938599","version_major":2,"version_minor":0}" Furthermore, after running the cell I am unable to run any other cell in the notebook (they all get stuck on pending) and cannot restart the notebook (also loops). I instead have to quit VSCode entirely and restart that way.

June 1, 2023 - Installation of Visual Studio broke the efficiency in Visual Code to auto select Python kernels for Jupyter Notebook #13624

I can run something simple like print('hello') which does execute but then when I go to import anything even native packages it just shows the loading errors and line animation across the top but nothing ever concludes. Even if i restart the kernal the notebook acts like its still executing. I'm using vscode Version: 1.76.0 (Universal) Commit: 92da9481c0904c6adfe372c12da3b7748d74bdcb · and jupyter extension v2023.1.2000312134.

November 26, 2025 - The cell should remain editable and responsive after highlighting text. When selecting or highlighting text inside a Jupyter notebook cell, the cell frequently becomes “stuck” in selection mode.

July 25, 2025 - When using GitHub Copilot Agent to modify code in .ipynb (Jupyter Notebook) files, the edited cell becomes completely blank — no code is shown, and the cell cannot be interacted with. This occurs regardless of the model used (GPT-4, GPT-4o, Claude 3.5/4). The issue seems to be related to VSCode’s Notebook rendering breaking after Agent edits.

November 14, 2023 - It is an issue on the remote server. ... Cells NOT running. They were running normally and suddenly an interactive notebook started to hang. Then normal .ipynb files were also hanging. There was no update of any sort on my end. Might it be something on VSCode end? I tried many things from related posts: -Disabling pylance. -Forcing the reinstalling of notebook, jupyter and ipykernel.

May 6, 2024 - Type: Bug When my cursor is on "pymc" (see below) in a jupyter notebook and I perform "Go to definition" command, navigation will not work from the notebook. In the same time, navigation will work fine from a separate module, as shown be...

March 31, 2021 - You are not able to see changes on code, you see only Jupyter Notebook file with Extension. Does this issue occur when all extensions are disabled?: No · Suggestion: Jupyter Notebook extension can preview my Jupyter Notebook in Files section when I open it, but before commit to my repo in Source Control section it can only show Jupyter Notebook file as code where I can see my changes in the file.

October 16, 2025 - Type: Bug Ask GitHub copilot to update an existing Jupyter notebook cell with the GPT-5-codex model selected, it just spent over 5 minutes trying to decide how to patch or upate the cell, used up a bunch of my premium request quota and d...

December 20, 2024 - When I start using the Notebook, everything works fine. But after running / restarting it a couple of times, it gets stuck on restarting the kernel. The notification window shows: And in the Jupyter Output, the last thing to be shown is:

October 28, 2025 - Applies To Notebooks (.ipynb files) Interactive Window and/or Cell Scripts (.py files with #%% markers) What happened? In the last week or so the jupter extension frequently hangs when trying the execute cells. It shows as executing, but...

March 8, 2024 - When working with large Python Notebook files and restart the kernel, it takes way too long to do so and most often than not it crashes. When opening VSCode again, all the workspaces/folders are closed and have to open them again.

#16574: notebook package tools · #16566: remove progress notification for activating jupyter extension · #16563: Fix order or args in logger · See More · #16562: Fix tsc watch args · #16541: Bump koa from 2.16.0 to 2.16.1 · #16557: Bump vscode/zeromq from 0.2.3 to 0.2.7 ·

November 20, 2020 - Then the file is being closed and the following error is displayed: Unable to open '[*].ipynb': Using the Jupyter notebook editor requires the stable version of VS code and the CustomEditor experiment to be enabled..

March 17, 2025 - Step 4 13:25:05.273 [error] Error in cell execution Error: notebook controller is DISPOSED at Object.createNotebookCellExecution (file:///home/~/.vscode-server/cli/servers/Stable-2fc07b811f760549dab9be9d2bedd06c51dfcb9a/server/out/vs/workbench/api/node/extensionHostProcess.js:171:20985) at Function.create (/home/~/.vscode-server/extensions/ms-toolsai.jupyter-2025.2.2025021801-linux-x64/dist/extension.node.js:115:29606) at Function.getOrCreate (/home/~/.vscode-server/extensions/ms-toolsai.jupyter-2025.2.2025021801-linux-x64/dist/extension.node.js:115:29374) at new n (/home/~/.vscode-server/exte

November 9, 2025 - VSCode Jupyter Notebook - Python 3.13 + Apache Spark kernel freezes randomly with blue progress bar stuck#17141 ... bugIssue identified by VS Code Team member as probable bugIssue identified by VS Code Team member as probable buginfo-neededIssue requires more information from posterIssue requires more information from posternotebook-executionKernels issues (start/restart/switch/execution, install ipykernel)Kernels issues (start/restart/switch/execution, install ipykernel)