PS4 system software update 8.00 launching today – PlayStation.Blog
PS4 System Update 8.00 Arrives Today, With New Avatars, Changes to Party and Messages
PlayStation 4: Firmware 8.00 released with new avatars, revamped Party & Messages & some QoL improvements - Some changes not received well by community - Wololo.net
PS4 Firmware Update 8.0 Changes Party and Messages Features