React version:

Steps To Reproduce

1. Go to React's code pen example you can find the link in the documentation here
2. Inspect " is going " checkbox element
3. uncheck the checkbox

Link to code example: https://codepen.io/gaearon/pen/wgedvV?editors=0010

The current behavior

dom does not update, the checked attribute stays no matter what.
same goes if the initial state is set to false, the checked attribute never appears on the input element.

The expected behavior

The checked attribute should be removed if not checked.