Well the update was just the 100 page thing, no? Similarly to the inventory display update way back. And to backpack what Hasrat has already said; fishing is very mysterious which is why its so fun. I love fishing, even spearfishing however similar to btn/min it may be. Right now, Phyllinos is eluding me and my friend. We're both figuring out breakpoints/fishing windows/weathers/fishing hole/bait and the like.

With mining and botany you have a sledgehammer and pickaxe, a one size fits all tool where you walk up to a node and mine a chunk of salt the same way you mine a chunk of gems.