Zhongsheng Ji

> Sorry to bring this one back, but I am having exactly the same issue with pyspark on colab. I am performing an hyperoptimization on UMAP and this happens. >...

Great! Thank you! I had been debugging with jupyterlab before and was completely unaware of nbclassic

`jupyter server extension list` to check installation If `jupyterlab_latex enabled` It should be able to be configured as in notebook

I will provide a broken zip later and here is how I solve this problem https://github.com/jupyterlab-contrib/jupyter-archive/pull/75/files feel free to improve it thanks

I have provided a less elegant solution in my branch with two main problems 1. using `try ... encode` to probe the encoding, efficiency and accuracy are not guaranteed 2....

> Related to [#641 (comment)](https://github.com/jupyter/notebook/issues/641#issuecomment-872469554): I have tried the Jupyter collaboration feature in the latest release (3.3.3) and I found out that if user A starts a long-running computation, then...

Oh I just realized this could be an Enhancement and not a bug

> This would probably need a complete rework of JupyterLab's architecture. Currently, the front-end interacts with kernels (almost) directly, through the low-level kernel protocol. I think it should only send...

> That can't work in the general case, because multiple clients can access the same notebook, and each one would have a different `msg_id`. Yes, but when there is code...

Jupyter Server Team's planning for this issue： https://github.com/jupyter/notebook/issues/641#issuecomment-1203590878