Item entities bounce on top of cauldrons

What I expected to happen was...:
I throw an item into the cauldron and it stays inside just like before 1.4.3

What actually happened was...:
The item started to bounce on top of the cauldron

Steps to Reproduce:
1. Place a cauldron
2. Get an item in your inventory
3. Throw it in the cauldron
4. The item bounces