Saves are currently compatible between versions, but you can’t get your saves from consoles, which I think is a system limitation, not a Stardew limitation.
so you can use your save files from mobile on PC and the other way around.
Great question! I’ve had similar concerns with older saves after major updates. It’s like using
https://casinoveri.it/casino-pagamenti/skrill/ you want smooth transitions and guaranteed compatibility. Fortunately, the devs usually make a strong effort to ensure older saves still work. Just keep backups, just in case!