Update broke my game

I updated earlier today for the Deep North, ran around exploring for hours having a great time. Then all of a sudden Xbox kicked me out of the game and said Valheim needed to update again for 1gb. After that I loaded back in and was floating without a boat in the middle of the ocean and drowned, at a spot from hours before, despite me saving every 20 minutes. Lost so much progress and items, lost a few trophies that took me forever to get. I have never had any game do this before, what kind of update was so important it had to completely break the game just to do