Relatedly, it seems Apple is planning to make 'Sign in with Apple' mandatory for every iOS developer using any third party sign in: https://www.theverge.com/201

Relatedly, it seems Apple is planning to make 'Sign in with Apple' mandatory for every iOS developer using any third party sign in: https://www.theverge.com/2019/6/3/18651344/wwdc-2019-apple-force-ios-developers-sign-in-third-party https://www.theverge.com/2019/6/3/18651344/wwdc-2019-apple-f...