cross save

Hey everyone, I'm new here and I've been playing a lot on my ps5, also bought it on PC and thinking about getting for mobile, I don't know if it was posted already, but I really wish for a cross progression system where I can play anywhere. I don't know if it's not possible due to code or...

the story is that i was playing stardew valley 1.5.6 on my iphone and when i transferred the save file from that ios version 1.5.6 to windows and played with version 1.6 it still worked fine but when i finished playing and When I transfer the file back to iOS, I don't see it loading the map I...

Apologies if this question has been asked before, but with the fantastic new updates coming to the console versions, is there any way to transfer a save from the PS Vita to the PS4, to avoid starting over from scratch? Is that something that could be made possible in a future update? Thanks,