Players who build in survival can all agree that the trapdoor recipe is a huge waste. Only 2 trapdoors for 6 planks? Even the door recipe gives you 3, and its double the size of a trapdoor!
Following this logic, I've created a datapack that changes the trapdoor recipe to give you 6 trapdoors rather than 2. It is the same recipe, just with more trapdoors, and works for all wood types (including the nether woods) and iron.
This was my first datapack, so it is very simple, but it's definitely a needed change!