This came up in the recent presentation from Meta's deployment of FedCM, filing here to make sure we are tracking the feature request.
Ideas
Customizable scopes: “name, telephone number and birthday”
Pick which of “email”, “username” and “tel” is shown
WhatsApp has username and tel, but tel is more popular
Resize the continue_on pop-up (min/max width/height flexibility)
Not a traditional window.open where you pass parameters
This came up in the recent presentation from Meta's deployment of FedCM, filing here to make sure we are tracking the feature request.