Minecraft Version: 1.12.2
Forge Version: 1.12.2-14.23.5.2854
DaVinci's Vessels Version: 1.12-6.340-full

I've noticed that blocks from Decocraft and ArchitectureCraft do not adjust their orientation when a boat is disassembled (they remain facing the same direction as when the boat was assembled). Additionally, DoubleSlab blocks from DoubleSlabs turn invisible when the ship is mounted.