i3/settingtypes.txt

# The progressive mode shows recipes you can craft from items you ever had in your inventory.
i3_progressive_mode    (Learn crafting recipes progressively)    bool false

# Regroup the items of the same type in the item list.
i3_item_compression    (Regroup items of the same type)          bool true

# Set the inventory size to common chests size (8*4).
i3_legacy_inventory    (Legacy inventory size)                   bool false