Death Stranding Director's Cut will have an upgrade path for PS4 owners, as well as support for 'cross-save' save transfer functionality.
Death Stranding Director's Cut launches on PS5 September 24, 2021 – PlayStation.Blog
Death Stranding Director's Cut: How to Transfer PS4 Save File to PS5
DEATH STRANDING DIRECTOR'S CUT (UPGRADE), PC Steam Downloadable Content
Upgrade to Death Stranding Director's Cut for just $10
Death Stranding: Director's Cut (for PlayStation 5) Review
How to transfer your Death Stranding save file to Director's Cut
DEATH STRANDING DIRECTOR'S CUT on the App Store
Death Stranding: Director's Cut PC review — Delivering a complete package — GAMINGTREND
Death Stranding DC: How To Transfer Your Save From PS4 To PS5