After eating food, the health doesn't heal all the way up to 10 hearts. Instead it heals only 9.5 only.

Steps to reproduce:
1. Get some damage.
2. Eat food.

Here's an unedited clip of an example in my world: https://drive.google.com/file/d/18otxCZzWoJ0YKWT_5p6f4WaB9It42-Ra/view?usp=sharing

The file was too big to upload here.

My world's seed: 3430972925665885604
and my position in the world can be seen in the clip.

Update:
Health heals to 10 hearts after drinking a potion of Instant Health II