Jeremy Tuloup

Thanks @defjaf for looking into this and providing these details. To check whether it could be an issue with the hatch config, would it be possible to try with JupyterLab...

Opened https://github.com/jupyter/notebook/pull/7005 to investigate the issue on CI.

cc @brichet who might know more about this and whether this is related to a change upstream in JupyterLab

The messages seem to originate from the following: https://github.com/jupyter/notebook/blob/2b4b422f0f044994960803c48a7c3a9dc9abdb0a/packages/tree-extension/src/index.ts#L211-L227

> For me it is expected, the Notebook plugins are not loaded in the tree view (so not the metadataform and cell toolbar either). This logic was added so the...

Thanks @brichet for the details :+1: > The only recent related PR I can see is [jupyterlab/jupyterlab#14990](https://github.com/jupyterlab/jupyterlab/pull/14990), but AFAIK it couldn't work before. Yeah I saw a couple of PRs...

Maybe we should open the settings editor in one of the side panels instead of the file browser page (like the extension manager). That way it would pick up the...

Thanks @fake-name for reporting :+1: Would you be able to check if this is an issue in JupyterLab as well? (since Notebook 7 is based on JupyterLab)

Some potentially related upstream issues: - https://github.com/jupyterlab/jupyterlab/issues/11081 - https://github.com/jupyterlab/jupyterlab/issues/8028

Thanks @jayeshsingh9767 for looking into this. I think it was originally left in the Help menu because this is where the item for launching the classic notebook used to be...