What I expected to happen was...:
The boats would appear in order when searching "#boats" in the Creative Inventory, e.g. Oak Boat, Oak Boat with Chest, Birch Boat, Birch Boat with Chest, etc.

What actually happened was...:
The boats were out of order: Oak Boat with Chest, Bamboo Raft with Chest, Oak Boat, Spruce Boat, Spruce Boat with Chest, Birch Boat, Birch Boat with Chest, and so on.

Steps to Reproduce:
1. Search in the Creative Menu: "#boats"