FastLeafDecay Mod (1.19.2, 1.18.2) accelerates leaf decay after you have cut down the tree’s wood. It will take approximately five seconds to remove all leaves.
FastLeafDecay allows you to quickly remove leaves from trees after you have broken all of their wood. They may not despawn if leaves touch leaves from another tree. This mod will accelerate the removal of leaves from Minecraft trees using the following mods: Natura, IndustrialCraft 2 and Minefactory Reloaded.
