About two weeks after the 12.4 release, Apple comes with a new one update for iTunes.
In iTunes 12.4.1 improvements are made for VoiceOver and a number of bugs of the previous version have been resolved.
This update does not come with interface changes or other changes visible to the user.
One of the most common errors on version 12.4 is solved in iTunes 12.4.1. Problem syncing pictures on iPhone. "iTunes cannot sync photos to the iPhone because your Photos Library is not yet available. Please try again later."
Updateis available on all operating systems OS X, via App Store / Updates.
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