React Native Tab View

Listen, yesterday I was messing around with React Native Tab View (app) and ran into something that looked like a random performance glitch but turned out to be completely predictable once I slowed down and looked properly. The symptom was simple: brutal lag and frame drops when switching tabs. Not always, but consistently enough to make the app feel… cheap. Especially on older iPhones and even on a mid-range Android device. Swiping between tabs stuttered, and sometimes the content would flash blank for a split second before rendering. At first I assumed it was just the emulator being slow. That was my first mistake. What I did first (and why it didn’t help) I started by testing on a simulator. Laggy. Then I blamed hot reload. Restarted Metro, cleared cache with --reset-cache , rebuilt the app. Slight improvement, but the jank was still there. Then I thought maybe my tab scenes were too heavy, so I removed some images and temporarily mocked out API calls. Still not smooth. At that poin