Summary:
The texture of some blocks disappears inside boats if the block is in the boat as an item and in a placed state.

Affected blocks:

• Slime Block
• Honey Block
• Ice
• Banner
• Glass
• Glass Pane

Steps to Reproduce:

1. Place the boat.
2. Throw the above blocks into the boat.
3. Place the above blocks side by side.
4. Get into the boat and approach the blocks so that some of the inside of the boat overlaps the texture of the placed blocks.

Observed Results:
The texture of items and placed items inside the boat disappears.

Expected Results:
The texture will not fade as with unspecified blocks.

Image: