iCloud.com

I recently noticed that Outlook is/was having an emotional moment with iCloud. And today I tried logging in to icloud.com on Edge, Edge Dev and Edge Canary. I am greeted with this:

I get this same message on Chrome. 

FWIW - I can successfully connect and login to iCloud in Firefox.

Anyone else seeing this? Or have the magic elixir to fix it?

BTW - All the browsers are up-to-date.