We have a requirement to send Username/EmailId in the Subject/NameID field to the keycloak. Keycloak then receive that value in a custom authenticator and send it to the tokenvalidator for further flow. The idea here is to omit the step to ask user name from user again.
Please let me know your suggestions and ideas
Looks like this is an issue in the existing keycloak code. created the issue and sent a pull request.
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