This is great. After a long time HN user, I recently got an account here and saw this article.
I recently open sourced a nice marriage between React Final Form and Material UI called aptly mui-rff. I also am an expat software engineer, but living in Vietnam for the past 3 years.
React Final Form is a really nice piece of engineering and I love the focus on rendering performance. It really makes building forms with React a pleasure. Thanks!