It's not news to say 2020 has been... challenging. In Toronto, the home of NodeBB HQ, we've gone from a spring lockdown to a cautious summer reopening, to lockdown again — sigh. But the team has never stopped working, and have managed to squeeze out one last release before we thankfully turn over the calendar.
Install and configure Google or Discord SSO plugin (or any other, maybe)
Enable GDPR consent collection (ACP-> Settings -> Users)
Logout after that and click "Register"
Authorize with your provider
You will see the registration "interstitials"
Click "Cancel registration"
Check the user list with your Admin account - You will see that account successfully created