A few things I learned:
1) Apple is using OAuth 2.0 and OIDC, same as others
2) Some app makers *really* don't like the mandatory element of Sign In
3) Apple changed its guideline language around placement of Sign In button in the time I reported this https://www.wired.com/story/sign-in-with-apple-mixed-reactions/
1) Apple is using OAuth 2.0 and OIDC, same as others
2) Some app makers *really* don't like the mandatory element of Sign In
3) Apple changed its guideline language around placement of Sign In button in the time I reported this https://www.wired.com/story/sign-in-with-apple-mixed-reactions/
