Summary:
The game crashes when entering a boat and after that reloading the world.
Steps to reproduce:
1. Create a new world with Creative enabled
2. Enter a boat (oak boat from creative inventory)
3. Save the game (save and quit)
4. Reload the world (the game crashes)
Additional steps:
2.1 exit the boat (after entering the boat)
Example: Use the attached
[media]and enter the boat and reload the world. (attached a world in the state it crashes as well)
Expected results:
The game does not does not crash after entering a boat.
This affects all rideable entities/mobs. Also, the crash occurs even if you load or create a different world or enter a nether/end portal.