指向performBlock外部的NSManagedObject的指针

Assume that I have fetched a NSManagedObject within a performBlock on a private NSManagedObjectContext. I have also saved a pointer of the NSManagedObject in the AppDelegate. so basically I am holding it on the 'main thread'. Could this cause any issue? Note that I always access the attributes within a performBlock submitted to the correct context.Assume that I have fetched a NSManagedObject wi