Boats can place players inside solid blocks, causing players can phase through the nether roof using a boat.
The boat can make players phase through nether roof.
To reproduce
- Create a 2x2 area below the nether roof.
- Place a boat inside the area.
- Mount the boat.
- Dismount the boat.
- Tries to jump, if fails to reach the roof, that place a boat above the nether roof and mount it.
Expect result
You would not able to phase through nether roof.
Expect result
You can phase through nether roof.