Hello Kitty Island Adventure for Steam got their first content update today! More items, more stuff in the mountain zone, more endgame quests, but I'm not on endgame quests yet, so I won't know how those go.
What I'm really digging are the quality of life updates they added to the game. Like how if you miss a day or two, your spawned resources stack up to 3, and if you go in on day 3, you get a ton of resources! Everything is everywhere, and it's nice, because you can't always go on a gathering run every single day.