How to stop genuis updating
With these shortcuts, any media library is just a keypress away; and for most people, it's even quicker to press a keyboard shortcut than click a button. (The missing sidebar, by the way, has returned as the main control for viewing your content within a library.) This replaces Recently Added sections at the top of the various views, such as Artists, Albums, and Genres, for music, and the different views for Movies, TV Shows, and Podcasts.
To go to your Music library, press Command-1 (Control-1 on Windows). The problem with this new Recently Added view is that you can't change it.
Apple moved the Show Duplicate Items feature; it is now in the File Library menu.
Here's a look at some of the annoyances in i Tunes 12.4, and how to get around them.Hover over one of the menu items, and i Tunes (or any OS X app) shows exactly where that menu item is with a big blue arrow.For example, if you're looking for the Update Genius function, here's where it is now.You can create multiple Recently Added smart playlists if you want this type of granular information; and for podcasts, it can be useful.You may want to see only those podcasts that have been updated in the past day, to see which of your favorite podcasts have new episodes.