no update

I have the Japanese Collectors Edition on switch, and i cannot update my game from 1.5.4.1 to the new 1.6. I have archived the game and tried updating again and still says 1.5 is up to date. Are the people with these editions not going to receive an update??

I just recently got Stardew on PC and want to play a modded playthrough. Sadly, a lot of the mods I want to use have yet to be updated for 1.6. Is there any way that I can play on an older version of the game so that the mods will work properly/at all? I've seen a lot of people say to save an...