Beat Saber has been updated to version 1.33 today for PS4 and PC. Here are the complete patch notes for this update which is just under 500 MB.
In addition to adding support for the BTS Pack, the update also makes some minor changes to the game. It overhauls the curved screen design, adds Adaptive SFX, adjustable Note Jump Offset, and more into Player Options.
Like it is the case with most of the previous update, the actual file size of the patch is under 500 MB. You will need to purchase the new BTS songs individually from the Steam or PlayStation Store.
This pack features the following songs from popular Korean band BTS. All of these songs will be compatible with the multiplayer mode as well.
The music pack is currently available to purchase through Steam and should be live on the PlayStation Store as well. Each song will cost $1.29.