iOS 11 : KVO Notifications for key-path associated with NSUserDefaults delivered "late"

Originator:kbeitz
Number:rdar://34037002 Date Originated:2017.08.23 09:57AM
Status:New Resolved:
Product:iOS 11 SDK Product Version:Version 11.0 (15A5361a)
Classification:Serious Bug Reproducible:Always
 
we would expect that when setObject:forKey: is called on NSUserDefaults, the callback would be called immediately and not delayed.

(there is a project attached to the radar.)

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