The web has several tools to measure performance, but what about us, React Native devs? Have you ever added some optimization in your code (like a memo here and there) and wondered if it had a real impact on performance?
Presenting a Flipper plugin to measure React Native performance, with a concrete case of how we used it to bring our app performance to the top quality.
Bonus: a deep dive into React DevTools flame charts!
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POV: Your app has a crash affecting thousands of users, but for the life of you, you can't reproduce it and have no idea what's causing it. Hear the story of an epic struggle to vanquish a non reproducible bug and learn what to do (and what not to do) when facing such a foe.

You want to know if your RN app has the best performance? Check out the slow rendering UI stat on the play store, if your numbers are not so good, come to this talk! I will present Systrace, a tool that can be daunting to use at first glance, but a fantastic tool, once you learn how to master it. I will show how it helped us detect and solve performance issues in our app.