We have now completed our full RCA. Please see the following link for the full details: https://cdn.auth0.com/blog/20201001-Incident-RCA.pdf
This incident has been resolved.
A fix has been implemented and we are monitoring the results.
All PREVIEW regions are operational.
We are continuing to work on the rollout of the fix.
The issue has been identified and a fix is being implemented.
We are seeing an increased number of failures during Facebook web and native logins. We are investigating.