## Environment OS: macOS High Sierra 10.13.4 Node: 10.2.1 Yarn: Not Found npm: 5.6.0 Watchman: 4.9.0 Xcode: Xcode 9.4 Build version 9F1027a Android Studio: 3.1 AI-173.4720617 ## Packages Packages: (wanted => installed) react: ^16.3.2 => 16.3.2 react-native: ^0.55.4 => 0.55.4 In real device and emulator. ## Description <!-- Describe your issue in detail. --> When I try to rotate screens, sometime UI crashes as shown in the [clip](https://firebasestorage.googleapis.com/v0/b/dooboolab-2f044.appspot.com/o/cooni%20strange%20orientation.mov?alt=media&token=5dbd2e2f-96fd-40cc-b47d-8bff8b793e61). ## Steps to Reproduce Rotate, rotate. ## Expected Behavior UI should not crash. ## Actual Behavior UI crashes like in the [clip](https://firebasestorage.googleapis.com/v0/b/dooboolab-2f044.appspot.com/o/cooni%20strange%20orientation.mov?alt=media&token=5dbd2e2f-96fd-40cc-b47d-8bff8b793e61). You can [download](https://firebasestorage.googleapis.com/v0/b/dooboolab-2f044.appspot.com/o/cooni%20strange%20orientation.mov?alt=media&token=5dbd2e2f-96fd-40cc-b47d-8bff8b793e61). -------------------- I've edited environment in my post but `react-native-bot` [here](https://github.com/facebook/react-native/issues/19561) won't get this away so I posted again.