Version

2.5.11 (and earlier versions)

Reproduction link

https://jsfiddle.net/xb4172g8/

Steps to reproduce

1. Open console and observe while typing something into input fields
2. Enter some text into name field -> Vue re-renders all three Textfield components
3. In line 21 replace { ...this.$listeners } with an empty object
4. Once again enter some text into any field -> Vue re-renders only updated Textfield

What is expected?

Vue should re-render only the component whose props has changed.

What is actually happening?

Using $listeners in component's render function causes the component to be rendered whenever its parent is updated even though his props hasn't changed.