react-addons-transition-group

This package is deprecated and will no longer work with React 16+. We recommend you use TransitionGroup from react-transition-group instead.

In particular, its version 1.1.1 is a drop-in replacement for the last released version of react-addons-transition-group.

Run npm install --save react-transition-group@1.1.1, and replace the imports in your code:

// Old
import TransitionGroup from 'react-addons-transition-group';

// New
import TransitionGroup from 'react-transition-group/TransitionGroup';

The documentation branch for react-transition-group@1.1.1 can be found here.