When using NextDNS, I get the connection is not private for every website. Turning off NextDNS fixes the issue.
4
This connection is not private error with NEXTDNS
I have the certificate installed and I have no problem. Follow the steps below.
https://help.nextdns.io/t/g9hmv0a/how-to-install-and-trust-nextdns-root-ca
cele thank you. That fixed it 
11 days later
You must follow the steps outlined in the nextdns help article on Safari - won't work on Orion. Fixed the issue for me also.
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