The PS4 makes some fundamental improvements to basic network functionality. You can now join friends' games from your friends list. The PS4 also introduces game-independent party chat for up to ...

For reference, the PS3 came out in 2006, the Vita in 2011, and the PS4 in 2013. All of them are already over a decade old. The PlayStation Network maintenance for the PS3, PS4, and PS Vita will ...