Report
Apple reportedly blocks alternative IDs in iOS 27
Mobile Dev Memo says Apple blocks alternative IDs in iOS 27 and argues that Apple likely sees them as contrary to its privacy goals.
TLDR
Mobile Dev Memo shared a post saying Apple blocks alternative IDs in iOS 27. The post argues that Apple likely sees alternative identifiers as contrary to its privacy goals and points to a loophole it says Apple closed in April 2023, when IP-address cloaking let third-party cookies appear to be first-party cookies. Its author argues that workarounds on Apple’s platforms tend to expire.
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