Is it really the standard that games have cross progression?
I don't really follow, so I'm probably influenced by all the negative reports I seem to see about it.
From what I can see they've done a good job on a free PS5 version.
They could've charged and throw in a tool to copy progression. As it is additional work beyond the other platforms. Competing platform at that.
If there isn't a standard way to do it, Sony really should get something in place as cross gen isn't going away any time soon.
Edit: To be clear I mean a standard library that they could use, without having to write the whole process as a bespoke bit of code.