The respective ID Token could be
"email": "janedoe@example.com", "preferred_username": "j.doe", "picture": "http://example.com/janedoe/me.jpg",
does not fit with
"claims": { "given_name": "Max", "family_name": "Meier", "birthdate": "1956-01-28" }
Addressed by PR #139
Resolved by PR #139