In a desperate attempt to keep their flag alive after the takeover of the OAuth/OAuth2 social logins, the OpenID foundation released the "third generation" of the OpenID technology in February 2014; this was called OpenID Connect.
Despite the name, the new installment has little or nothing to do with their ancestors; it's merely an authentication layer built upon the OAuth2 authorization protocol. In other words, it's little more than a standardized interface to help developers using OAuth2 as an authentication framework in a less improper way, which is kind of funny, considering that OAuth2 played a major role in taking out OpenID 2.0 in the first place.
The choice to move to OpenID Connect was quite sad in 2014 and it still ...
