It doesn't notify you when people are online or in voice chat? I got ps4 for Christmas and I feel disappointed in the notification system. PS4 arguably has the better launch titles in 2015 but Sony need to fix this.
I just keep my Xbox 1 for Destiny, Dragon Age, and eventually Tomb Raider and Halo 5.
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It all depends on how you set it up when you first got it. Because mine does all that.