PS5 won't play PS1, PS2 or PS3 discs, 100 PS4 games support at launch
PlayStation 5 backwards compatibility for PS1, PS2, and PS3 games could be provided by a revamped PS Now service with upscaling capabilities - NotebookCheck.net News
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
No, PS5 Backwards Compatibility with PS3, PS2, and PS1 Games Has Not Been Confirmed | Push Square
Sony Patent Suggests PS1, PS2, and PS3 Could Be Backwards Compatible Via the Cloud - IGN
PS5 patent raises hopes about PS1, PS2 and PS3 backwards compatibility | Gaming | Entertainment | Express.co.uk
PS5 Won't Play PS3, PS2, or PS1 Games | Push Square
No PlayStation 5 backwards compatibility for PS1, PS2, and PS3 titles and very fake-looking hefty PS5 retail box gets overshadowed by Miles Morales concept design - NotebookCheck.net News