PS5/XSX updates:
Quote Originally Posted by Bethesda
Bethesda Game Studios is releasing a free Fallout 4 update for download on Xbox Series X|S and PlayStation 5.

This free update includes native applications for PlayStation 5 and Xbox Series X|S, Performance mode and Quality mode settings, as well as stability improvements and fixes. Experience up to 60 FPS and increased resolutions!

Fallout 4 players on PlayStation 4 and Xbox One will also receive a free update with stability improvements, login and quest fixes .

To download the update on a next-generation console, you must own Fallout 4 for that device.
FALLOUT 4 IS GETTING FREE UPDATES - Bethesda.net