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Performance

4 posts on this topic.

· 4 min read

React Native's New Architecture: what Fabric and TurboModules actually change

The New Architecture is now the default. Past the buzzwords - Fabric, the JSI, TurboModules, codegen - here's what genuinely changes for app developers and what to check before you flip it on.

  • React Native
  • New Architecture
  • Performance

· 3 min read

Profiling React Native startup: Hermes, TTI, and chasing the cold start

Cold-start time is the first impression your app makes, and it's measurable and fixable. How I profile React Native startup, what actually moves the needle, and the wins that are mostly free.

  • React Native
  • Performance
  • Hermes

· 4 min read

Cutting our crash rate: a Sentry and Crashlytics triage workflow

How we went from a crash-free rate we were embarrassed by to one we were proud of - not with one heroic fix, but with boring, repeatable triage. The process, the tooling, and what the numbers actually mean.

  • React Native
  • Sentry
  • Crashlytics

· 3 min read

Debounce vs throttle in JavaScript, with real examples

Two functions that sound similar and get mixed up constantly. Here's the difference, when to reach for each, and small implementations you can read in one sitting.

  • JavaScript
  • Performance
  • Web