Enable TNT duping with pistons to build automatic cobblestone farms, tree farms, basalt farms, obsidian farms, etc. Without duping, we must farm gunpowder and sand to craft TNT, which is time-consuming and impractical for large-scale automation. Duping makes these farms work easier
Simply a datapack (as there is no good plugin) to allow players to use wood in a stonecutter, as well as lets players use almost every stone type in a stonecutter.