React 16.13.0 release, JavaScript library to build user interfaces

React 16.13.0 release, updates are as follows: 

React

• Warning (when is not suitable to future codemod way to use a string ref @lunaruan  in  # 17864 )
• Deprecated  React.createFactory() ( @trueadm  in  # 17878 )

React DOM

• Warning (when style changes may lead to unexpected @sophiebits  in  # 14181 ,  # 18002 )
• Warning (when rendering stage another component to update a functional component @acdlite  in  # 17099 )
• Deprecated  unstable_createPortal ( @trueadm  in  # 17880 )
• OnMouseEnter fix the problem on the disabled button is triggered ( @AlfredoGJ  in  # 17675 )
• In StrictMode when developed, should be called twice shouldComponentUpdate ( @bvaughn  in  # 17942 )
• Add the version attribute to eactDOM R ( @ealush  in  # 15780 )
• Do not call  dangerouslySetInnerHTML the  toString()  ( @sebmarkbage  in  # 17773 )
• The display module stack more warnings ( @gaearon  in  # 17922 ,  # 17 586 )

More See update:

https://github.com/facebook/react/releases/tag/v16.13.0