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Frameworks & web · #expo
Learn how to replace manual navigation config with Expo Router's file-based system, utilizing dynamic segments and shared layouts for scalable React Native apps.
Learn how to cache data locally in Expo apps using the FileSystem API. The guide covers directory choices, async I/O, permissions, a full code example, and trade‑offs for iOS and Android.
Learn how to use expo-updates to deploy JavaScript fixes and features instantly, bypassing the App Store review process while maintaining native stability.
Expo Router's real advantage isn't the folder convention — it's that static route analysis turns your route table into a build-time artifact that drives deep links, typed params, and bundle splitting.
Architecture note for using EAS Update to deliver JavaScript and assets over the air in managed Expo apps, covering requirements, minimal design, trust boundaries, operational checks, failure modes and when to change the design.
Learn how to replace Expo Go with a custom development client that supports any native library, using config plugins and EAS builds.
Learn how Expo Router simplifies navigation with file‑based routes, type‑safe links, and built‑in deep linking, plus the trade‑offs to consider before adopting.
expo-updates ships only JavaScript and assets. runtimeVersion is the gate deciding which bundles an installed binary accepts — and how to pick a policy.
Expo Updates lets you ship JavaScript fixes in minutes instead of waiting for store review — but only if you treat the runtime version as the compatibility contract it is.