PS5 backwards compatibility focus is all on PS4 games as Sony has no answer about PS1, PS2, and PS3 games - NotebookCheck.net News
Rumor: PlayStation 5 Might Include PS1, PS2, PS3, and PS4 Backwards Compatibility
The only reason I want PS3 backwards compatibility on PS5 : r/k_on
Can You Play PS3 Games On PS5? [How To Do It]
PS5 Backwards Compatibility: Can You Play PS3, PS2, and PS1 Games on PlayStation 5? | Push Square
Sony patent hints at cloud-based backwards compatibility for PS5 | VG247
Amazon.com: Beloader Wireless Controller Adapter for PS5/P4/PS3,Windowns,Switch Platform,Compatible witch PS5/P4,Switch Bluetooth Wireless Controller.Plug and Play. : Video Games