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COMPARE — On August 5, Expo published a head-to-head of three AI models actually building Expo apps. Fable 5 came out ahead on code and UI qualitySDK — Expo SDK 57 is a small, focused release centered on moving apps to React Native 0.86 without turning the upgrade into a project of its ownPREBUILD — expo prebuild now clears and regenerates the native android and ios directories by default, which matters if you have hand-edited native codeOTA — Hermes bytecode diffing means an OTA update ships only the delta rather than the whole JS bundle, saving bandwidth and cost at scaleSIMULATOR — Rork streams a cloud iOS simulator to your browser, so you can test in a real Apple environment without Xcode or Mac hardwareHARDWARE — Rork reaches HealthKit, ARKit and LiDAR, NFC, Dynamic Island, and Metal 3D, well past where no-code tooling usually stopsCOMPARE — On August 5, Expo published a head-to-head of three AI models actually building Expo apps. Fable 5 came out ahead on code and UI qualitySDK — Expo SDK 57 is a small, focused release centered on moving apps to React Native 0.86 without turning the upgrade into a project of its ownPREBUILD — expo prebuild now clears and regenerates the native android and ios directories by default, which matters if you have hand-edited native codeOTA — Hermes bytecode diffing means an OTA update ships only the delta rather than the whole JS bundle, saving bandwidth and cost at scaleSIMULATOR — Rork streams a cloud iOS simulator to your browser, so you can test in a real Apple environment without Xcode or Mac hardwareHARDWARE — Rork reaches HealthKit, ARKit and LiDAR, NFC, Dynamic Island, and Metal 3D, well past where no-code tooling usually stops
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Rork Dev/2026-06-24Advanced

When EAS Update Ships but the Bug Won't Die — Why OTA Stalls Silently, and How I Operate Around It

EAS Update can succeed and still fail to reach a slice of your users. These are field notes on runtimeVersion drift, updates that publish but never get adopted, and choosing the right rollback — with the instrumentation that actually helped on my Rork apps.