This upcoming change could end up breaking iCloud+ Hide My Email

Macworld
One of the great features of Apple’s iCloud+ online storage service is Hide My Email, a feature that allows users to create and use an anonymous email address when signing up for something online. It currently creates an email address using @icloud.com; since the email domain is the same as the one for your actual iCloud email address, a site can’t block you for using a “fake” address.But Apple announced some news to developers about Hide My Email, and it’s