In full mode (the default), the subscriber always receives a single, consistent version of the entire object as it exists at the moment when it's requested.
If a publisher changes an object several times before a subscriber asks for it, the subscriber receives the state of the object at the time of asking only. If the object changes again, the subscriber is notified again of the change. Thus, in full mode, the subscriber may miss multiple changes to an object — changes to the object that occur before the subscriber asks for it.