The announcement that console versions of both Fallout 4 and Skyrim would feature mod support on Xbox One and PlayStation 4; thus far the Xbox One has had months for several months now and grown in number since. As of today, though, it looks like mod support will be an Xbox exclusive as Sony has blocked mod support for their system.
Bethesda has taken to their website to provide an update on the matter, essentially confirming that Sony is blocking mods.
After months of discussion with Sony, we regret to say that while we have long been ready to offer mod support on PlayStation 4, Sony has informed us they will not approve user mods the way they should work: where users can do anything they want for either Fallout 4 or Skyrim Special Edition.
Like you, we are disappointed by Sony’s decision given the considerable time and effort we have put into this project, and the amount of time our fans have waited for mod support to arrive. We consider this an important initiative and we hope to find other ways user mods can be available for our PlayStation audience. However, until Sony will allow us to offer proper mod support for PS4, that content for Fallout 4 and Skyrim on PlayStation 4 will not be available.
We will provide an update if and when this situation changes.
As this is only available on Xbox One currently, it is almost certain that the remaster of Skyrim will also feature mod when it launches in October.