It looks like the parcoords colorscales aren't showing up.

Ah, looks OK for me on chrome. Doesn't work for me on Firefox 64.0
Weird.

looks also good for me on FF64 (on a t450s thinkpad running Ubuntu 18.04).
Worked for me with FF 63 on mac, but then FF updated to 64 and the colors disappeared
Thanks for checking @alexcjohnson !
Have you spotted any console errors?
no console messages.
@archmoj would you be interested in looking at this bug and https://github.com/plotly/plotly.js/issues/3387 ? I think we have a test mac computer at the office. If not, I can show you how to use browserstack.
I upgraded to FF64; but I don't see the bug. So the browserstack option is better. Thanks you @etpinard in advance.
but I don't see the bug.
Yes, it appears to only be visible on Macs.
@archmoj can you think of any way to fix this?
It works well on FireFox 66, 65 & 63.
Closing.