That’s kind of expected, even without weird peripherals.
Every time a console offers platform level BC there are a few games that uses some undocumented trick to run on the original hardware and end up having trouble on the new hardware.
This is how Sony presents the situation, stating that 4000+ ps4 titles will work on ps5 and then naming the few that don’t:
That’s kind of expected, even without weird peripherals.
Every time a console offers platform level BC there are a few games that uses some undocumented trick to run on the original hardware and end up having trouble on the new hardware.
This is how Sony presents the situation, stating that 4000+ ps4 titles will work on ps5 and then naming the few that don’t:
https://www.playstation.com/en-au/support/games/ps5-backward-compatibility-games/#only
IIRC the list was a little bit longer at first but some devs patched their titles to fix compatibility.