I'm using @joyceerhl's GitHub GraphQL notebook extension and have been running into a few odd rendering issues.

First, if I reload a window with a notebook open -- nothing renders (just a blank tab), unless I resize the editor, change tabs, or something.

Second, sometime markdown cells won't get rendered at all:

And other times they get rendered as plain text:

And if I split the plain text ones, it shows

/cc @rebornix