Observed this May 2nd @ noon PT. Made a note on original issue; https://github.com/medplum/medplum/issues/1956#issuecomment-1532045066

Hi @stellar4879 - is this on Medplum's hosted service, or your self-hosted server? Were there User accounts with mixed-case email addresses?

Hi @cody 👋 1. hosted 2. Account was created with a mixed case email. I can provide you with details in DM if the specific record helps.