I'm surprised I had to scroll this far down for anyone to ask this question. I've been trying to work out exactly how it works myself for the last hour, and th

I'm surprised I had to scroll this far down for anyone to ask this question. I've been trying to work out exactly how it works myself for the last hour, and there is no clear indicator on how to activate this mode. No documentation either, barring: https://github.com/jupyterlab/jupyter_collaboration https://github.com/jupyterlab/jupyter_collaboration What am I supposed to be doing here?