Rosio

[Original Issue](https://github.com/jupyter/notebook/issues/6727) Opened by @ManPython in Notebook Repository -------------- **Issue Title** If many extension, then panel board with btns is not in center but on left that made disonanse **Describe...

update image processing example notebok imports and function call

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I was running into the error: ``` AttributeError: module 'matplotlib' has no attribute 'image' ``` and I found two workarounds, using `import matplotlib.pyplot as plt` to use the pyplot submodule's...

- [ ] `end_to_end/test_display_isolation.py` - [ ] `end_to_end/test_save_readonly_as.py` - [ ] reducing the number of Python versions tested might help mitigate flakiness if it is caused by resource limitations

Weekly Triage meetings: Jan–Dec 2025

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Triage issues in JupyterLab and corresponding projects. Meeting is typically held at 09:00 US Pacific time on Tuesdays. Meeting info: https://zoom.us/j/95228013874?pwd=Ep7HIk8t9JP6VToxt1Wj4P7K5PshC0.1 Previous notes: * https://github.com/jupyterlab/frontends-team-compass/issues/250 (2024-07 through 2024-12) * https://github.com/jupyterlab/frontends-team-compass/issues/228...

## Description > Also a way to control when they pop-up, they are only useful less than 1 percent of the time and I hate it when the browser is...

Add select all command for file browser listing

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## References This aims to address https://github.com/jupyterlab/jupyterlab/issues/16690 ## Code changes - Register select all command as a shortcut and context menu item - Adding the context menu option was not...

Update 4.1.x branch to pass CI checks

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Progress toward getting the a green CI in branch `4.1.x`. Below is a list of the PRs that have been backported thus far. ## References - [x] Backport #16787 https://github.com/jupyterlab/jupyterlab/commit/1d627e6077c273fa22aa74060b4d4ad5dd054f35...