The following is shown in regards to deprecation.
Warning: You are manually calling a React.PropTypes validation function for the transitionName prop on ReactCSSTransitionGroup. This is deprecated and will not work in production with the next major version. You may be seeing this warning due to a third-party PropTypes library. See https://fb.me/react-warning-dont-call-proptypes for details.
The following is shown in regards to deprecation.
Warning: You are manually calling a React.PropTypes validation function for the
transitionNameprop onReactCSSTransitionGroup. This is deprecated and will not work in production with the next major version. You may be seeing this warning due to a third-party PropTypes library. See https://fb.me/react-warning-dont-call-proptypes for details.