Far Cry 4 was just updated for the PS4 and we've got the full patch notes for the 1.5.0 update for the game.
It should be noted that the update is a bit big with a download size of 657MB, so while you're waiting, here are the patch notes for the latest update as was detailed by VG 24/7:
Co-op
-Integrated the Outpost Master in Coop
-Fixed Client connectivity issue after failing specific quest few times in a row
-Fixed few inconsistent Host/Client replication issues
Map Editor
-IGE coop now implemented
-Fixed Gameplay functionality issues with the assets placement
-Fixed Gameplay functionality issues with the map browser
Other fixes
-Load and Save:Fixed checkpoint placement issue under specific circumstances
-Vehicle:Fixed few vehicle placement issues
-Matchmaking: Fixed matchmaking stability and general issues in PvP
-PVP: a) Fixed inconsistency XP in the loadout menu
-Gameplay: Fixed spawning issues under specific circumstances