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I did a scan of the thread and couldn't find what you're referring to. Can you provide a screenshot or link? I'm curious.
It’s in the first post of this thread: “Apple's release notes do not mention any new features or include information beyond the general "this update includes improvements and bug fixes" statement.”
 
It’s in the first post of this thread: “Apple's release notes do not mention any new features or include information beyond the general "this update includes improvements and bug fixes" statement.”

I’m thinking that this release is called 5.2 just to keep it on the same nomenclature level as its companion releases in iOS and TVoS.
 
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