GTA V update 1.004.001 is out now for PS5, Xbox Series, and PC. You can get the details on the patch notes here.
According to the GTA Net community, this update might be related to the Up n’ Atomiser weapon. It could be a fix related to a crash being reported with this weapon’s usage. The download size of this update is also just around 200 MB which is small for a patch.
GTA V Update 1.004.001 Patch Notes
Update: Here are the patch notes.
[December 16, 2022] – Game Stability and Performance
- Fixed multiple crashes that occurred in GTAV and GTA Online
GTA V was released for the PS5 and Xbox Series with a new title, Expanded, and Enhanced. It added ray-tracing support in the form of improved shadows and better performance at 60 FPS. The game is also available for PS3, PS4, Xbox One, Xbox 360, and PC.