I block all Facebook domains with the NextDNS iOS app — didn't seem to be affected by this. Blocking spyware has its perks.
facebook.com
fbcdn.com
fbcdn.net
fbsbx.com
fb.com
instagram.com
(^ These won't break WhatsApp)NextDNS automatically blocks subdomains.
More info here: https://qz.com/1234502/how-to-block-facebook-all-the-urls-yo...