The bug
When clicking on a recipe in the furnace recipe book, it won't insert the fuel. Even though the fuel slot is empty and the player has fuel-items in their inventory.
When clicking on a recipe in the furnace recipe book, it won't insert the fuel. Even though the fuel slot is empty and the player has fuel-items in their inventory.
Considering that you should have a say in which fuel item is used I think this may just be WAI for now.