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Developer shares hard-won lessons from shipping an Expo React Native app to the App Store

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A developer recently published an iOS app called 'Add to Calendar: AI Events' built with Expo SDK 52 and React Native, then documented the non-obvious pitfalls encountered during the process. One of the trickiest challenges involved configuring a share extension, which requires a separate binary target and precise alignment between the plugin settings and EAS Build configuration to avoid cryptic build failures. When a post-launch crash bug was discovered, the developer used patch-package to backport a five-line upstream fix rather than upgrading the entire SDK, arguing this approach is practical on mobile where dependency upgrades carry high testing overhead. The developer also adopted EAS Metadata to manage App Store Connect listings as version-controlled files, replacing error-prone manual web form edits. The full write-up, along with the app's MIT-licensed source code, has been shared publicly to help other developers avoid the same time-consuming pitfalls.

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Developer shares hard-won lessons from shipping an Expo React Native app to the App Store · ShortSingh