# react-transition-group [![npm][npm-badge]][npm] > **ATTENTION!** To address many issues that have come up over the years, the API in v2 and above is not backwards compatible with the original [`React addon (v1-stable)`](https://github.com/reactjs/react-transition-group/tree/v1-stable). > > **For a drop-in replacement for `react-addons-transition-group` and `react-addons-css-transition-group`, use the v1 release. Documentation and code for that release are available on the [`v1-stable`](https://github.com/reactjs/react-transition-group/tree/v1-stable) branch.** > > We are no longer updating the v1 codebase, please upgrade to the latest version when possible A set of components for managing component states (including mounting and unmounting) over time, specifically designed with animation in mind. ## Documentation - [**Main documentation**](https://reactcommunity.org/react-transition-group/) - [Migration guide from v1](/Migration.md) ## TypeScript TypeScript definitions are published via [**DefinitelyTyped**](https://github.com/DefinitelyTyped/DefinitelyTyped) and can be installed via the following command: ``` npm install @types/react-transition-group ``` ## Examples Clone the repo first: ``` git@github.com:reactjs/react-transition-group.git ``` Then run `npm install` (or `yarn`), and finally `npm run storybook` to start a storybook instance that you can navigate to in your browser to see the examples. [npm-badge]: https://img.shields.io/npm/v/react-transition-group.svg [npm]: https://www.npmjs.org/package/react-transition-group