How React Native Blog improves App Startup on iOS
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Facebook just open-sourced Hermes, a JavaScript engine built specifically for React Native on Android. This isn't just another optimization tweak. It's a ground-up rethink of how JS should run on mobile.
Facebook cut React Native Time to Interaction in half on low-end Android devices. The secret? They stopped trusting their testing tools and went straight to production data.
The React Native team made their app startup twice as fast. Here's how they tackled one of mobile's most critical performance challenges.