This article was originally published on Jo4 Blog . "Just run eas build --platform ios --auto-submit and you're done!" Famous last words. The Problem I had a React Native app built with Expo. Android was already live on the Play Store. iOS should be the same process, right? Here's what actually happened over the next 4 hours. Part 1: The Provisioning Profile Dance First build attempt: ❌ Provisioning profile doesn't support the App Groups capability Enter fullscreen mode Exit fullscreen mode My app has a Share Extension (for sharing URLs from other apps). Share Extensions need their own bundle ID, their own provisioning profile, and their own set of capabilities. The fix: Go to Apple Developer Portal → Identifiers Find both your main app ID AND the ShareExtension ID Enable "App Groups" capability on BOTH Go to Profiles → Delete the old profiles Let EAS regenerate them EAS will ask to create new profiles. Say yes. It knows what it's doing (mostly).…