Asana task assigned to

In React 17 componentWillMount, componentWillReceiveProps and componentWillUpdate
will be removed(can be called using UNSFE_functionName).
Foreman does not use these function but the libraries foreman uses do.
For example:
'react-debounce-input ' https://github.com/nkbt/react-debounce-input/blob/master/src/Component.js
'react-redux' - functions removed in 6.0.0 (we use 5.) 
storybook
many components from Patternfly
and maybe more

https://reactjs.org/blog/2018/03/27/update-on-async-rendering.html