Crash/Freeze in UICollectionView.performBatchUpdates when Removing Header
Originator: | milkservice | ||
Number: | rdar://43610684 | Date Originated: | 2018-08-22 |
Status: | Open | Resolved: | |
Product: | iOS + SDK UIKit | Product Version: | Xcode 9.4.1 / 10 beta 6 |
Classification: | Crash/Hang/Data Loss | Reproducible: | Always |
Summary: Steps to Reproduce: * Check out https://github.com/fabb/CollectiveCrash * Run the project * Remove the only collectionview item via the "Remove" bar button Expected Results: * The last item should be removed, also the header should be removed Actual Results: * On Xcode 9 with iOS 11.4 simulator, the app crashes * On Xcode 10 beta 6 with iOS 12 simulator, the app freezes for 15 seconds (!!), then continues normally Version/Build: Xcode 9.4.1 and 10 beta 6 respectively Configuration: iOS simulators bundled with respective Xcode versions
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