We've had to jump through numerous hoops to get SSO functioning across our sites on Safari due to their policy of rejecting third-party cookies. When you contr

We've had to jump through numerous hoops to get SSO functioning across our sites on Safari due to their policy of rejecting third-party cookies. When you control the full stack on all of your sites it's less of an issue but when you're using multiple vendors SAAS solutions with custom authentication it can be a huge pain.