Cannot find a page about it in the docs, but here they discuss how it was changed from document root to React root in React 17: https://reactjs.org/blog/2020/0

Cannot find a page about it in the docs, but here they discuss how it was changed from document root to React root in React 17: https://reactjs.org/blog/2020/08/10/react-v17-rc.html#changes-to-event-delegation https://reactjs.org/blog/2020/08/10/react-v17-rc.html#change...