The Complete Guide to React Native Debugging in 2026 If you learned React Native debugging before 2025, almost everything you knew is now obsolete. Flipper is dead. The remote JS debugger is gone. And as of React Conf 2025, the New Architecture is no longer optional — it's the only architecture. This post is what I actually use to debug React Native in 2026, after migrating a handful of older codebases and starting new ones. TL;DR — the 2026 stack JS debugging : React Native DevTools (press j in Metro). It's built in. State / storage : Reactotron (Redux, Zustand, MMKV). Native : Xcode or Android Studio directly. No middleware. Production : Sentry / Bugsnag / Crashlytics with source maps. Four tools. Clear jobs. Compare to the 2022 chaos of Flipper plugins + standalone React Native Debugger + Chrome DevTools + Reactotron and you'll appreciate the simplification. React Native DevTools, the new default Ships built-in with RN 0.76+. In the Metro terminal, press j .…