It's been confirmed PS5 will be backward compatible. https://twitter.com/GameSpot/status/1118167477203107846?s=19 I was worried we wouldn't be able to play The Sims 4 if we upgraded to the PS5 ...
I'll believe it when it's for sale, since Sony sometimes makes promises before the product is launched. But if this is true, I'll buy one the first day it comes out. I'd have to give up this game plus a few others.