[Updated] Testing with React v17

[aninde]

Description

The release candidate of React v17 was released last month https://reactjs.org/blog/2020/08/10/react-v17-rc.html

Breaking changes in React v17

Event Delegation
Aligning with Browsers - changes in on scroll, on focus on blur, Capture phase events
React 17 removes the “event pooling” optimization from React
Effect Cleanup Timing
Consistent Errors for Returning Undefined
New mechanism for generating component stacks
Private exports have been removed

Reference

https://reactjs.org/blog/2020/08/10/react-v17-rc.html
https://github.com/reactjs/react-gradual-upgrade-demo/ - Boilerplate app

[aninde]

No regression errors were found. Closing as done.