PS5 Backwards Compatibility: How to Play PS4 Games on PS5
Recently there's an influx of “PS5 backwards compatible” articles on google reporting it will play ps1 through ps4 titles. If it's true, much respect to Sony. : r/PS3
Backwards Compatibility - PlayStation 5 Wiki Guide - IGN
The PS5 Will Be Backwards Compatible, Thanks to Microsoft - PS5
PS5 backwards compatibility with PS4 games explained: Here's how it works | Laptop Mag