According to this issue: Steam OpenID Connect to obtain Steam ID? · Issue #109 · damienbod/angular-auth-oidc-client · GitHub
Actually service like Xsolla and PlayFab does support Steam Login, I am hoping Steam could be in Auth0’s Support. Moreover, discuss with Steam to help them migrate over OpenID connect
Hey there!
Great to have you in our community. It’s something that we can consider for sure but in order to let our product managers do that you will need to submit product request via our feedback form providing as much details and context as possible to your feedback. After that you should be contacted by one of our product managers within 10 business days. Here’ s the link to the feedback form: