[danabramov]

I believe it's in the blog post:

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

(TLDR: Use `componentDidUpdate` for this.)

Have you had a chance to skim through it?

[myth_drannon]

Yes, I also saw your post on twitter. I will try to use it from now on. Thanks!