This is patch 0.6.0 with a whole lot of changes since the last patch.
Features:
Added tooltips that explain what the buttons do.
Feeding the fish now displays what it does to the fish.
Your assistant can now carry the bag to your tank.
Changes:
UI changes to the shop and collections.
Fish will now move more fluidly.
Bug fixes:
Fixed crash error on Nvidia devices
Fixed an issue where fish bags' non-passthrough state can be persistent, soft-locking the game.
Fixed an issue where the assistant can walk offscreen if the tank window is minimized.
Some bugs I didn't track or was too lazy to write down...