Bags can no longer be used in Crafting Tables, Furnaces, Smokers, or Blast Furnaces.
You can still burn fuel while attempting to smelt a bag.
The start event for smelting is not cancellable.
In depth:
- Crafting table:
Bags can no longer be used as ingredients to craft an item. I.e if the bag was coal, and you tried to make a torch.
- Smelters:
as source:
If you attempt to smelt a bag (i.e if the bag was raw_iron), the smelting would begin, but cannot finish.
The event for "FurnaceStartSmeltEvent" is not a cancellable event, and I can therefore not prevent it.
as fuel:
If you attempt to use a bag as fuel, the furnace refuse to start.