perspective JupyterLab extension might be what you’re after?
Can’t get it to work unfortunately. But nevertheless I want to build on the existing viewer
I think your best bet would be to open up the issue as a question in the jupyterlab repo:
you’ll probably get a better response from that team there. This Discourse is currently a pilot that the JupyterHub team is keeping an eye on. We have no problem at all with non-jupyterhub-related questions here, but you just might have better luck hearing from that community by posting there as well