Bethesda has announced via Twitter that Fallout 4 mods will be coming with the game’s next title update in November.
The 1.8 update is currently in certification, and addresses a slew of random issues with the game. An exact release date for said update is currently unknown.
— Fallout (@Fallout) November 7, 2016
As previously reported, Fallout 4 mods on PS4 won’t be able to use external assets (IE: new textures), but just those already in the game. Aka no Randy Savage, aka none of the best mods.