4. Better server-side rendering
React 16 includes a completely rewritten server renderer. It’s really fast. It supports streaming, so you can start sending bytes to the client faster.
5. Unknown HTML attributes will remain
In previous versions we can't add invalid html attributes to html tags. In React 16 unknown html attributes will remain as it is.
6. Reduced file size
React 16 is actually smaller compared to react 15
7. Removed libraries from React 16 that was in React 15
Some packages included in React 15 was remove from react 16
- React.createClass is now available as create-react-class,
- React.PropTypes as prop-types
- React.DOM as react-dom-factories