Question: why unobserve/observe the document on changes?

[fcollonval]

In JupyterLab front end, we are not doing that. Is it an artifact from an earlier version or a behavior difference in y_py compared to yjs?

https://github.com/jupyter-server/jupyter_server_ydoc/blob/d7e728b0c773977c6a307d7a8878b40c6be3a13d/jupyter_server_ydoc/ydoc.py#L250-L253

[welcome]

Thank you for opening your first issue in this project! Engagement like this is essential for open source projects! 🤗

If you haven't done so already, check out Jupyter's Code of Conduct. Also, please try to follow the issue template as it helps other other community members to contribute more effectively.

You can meet the other Jovyans by joining our Discourse forum. There is also an intro thread there where you can stop by and say Hi! 👋

Welcome to the Jupyter community! 🎉

[davidbrochart]

Thinking more about it now, it might not be necessary indeed.