As developers, we love to dive into performance metrics, benchmarks, compare one solution to another. Whether we enjoy it or not, we’re often required to fix performance issues in our React and React Native apps. However, this process is not sustainable and prone to regressions, especially as the app and team grow. What’s worse, those issues are often discovered by your users, making their experience miserable.

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In his talk, Michał will introduce you to Reassure, a performance regression testing library for React and React Native, which happens to be a missing piece in our automated testing and performance suites. Spotting problems before they hit production.