# 3.4.1 - Added: Emerald transport and liquid pipes. (CovertJaguar) - Added: Spring water source blocks at bedrock level. - Changed: Wood pipe and redstone engine recipes now use wood from the ore dictionary. - Changed: Coordinates of invalid pipes are now logged. (agaricusb) - Bugfix: Fixed item drops on world load. (davboecki) - Bugfix: Proper side checking for liquid pipe connections. (King_Lemming)