We had a ton of problems with React to handle our states.
We adopted Redux, and after a short period we could finally just focus on producing features and not bugs
Here is a video of the last meetup we did in San Francisco: Using Redux at scale.
Here is the source medium article for those who cannot listen to the video: https://blog.matters.tech/10-redux-tips-from-the-trenches-55e06ed1c0a8