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To force the NavigationLink to push onto the master, use the modifier .isDetailLink(false)
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I found the issue. It was this code executed in a background thread:self->bbi_sort.enabled = YES;UIBarButtonItem *bbi_sort;The Main Thread Checker didn't catch it and the crash backtrace was no help. And it only actually crashed in iOS 13.
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I'm getting a similar crash, but having to do with setTintColor on UIImageView, but it's not my code:2019-11-12 10:36:54.498311-0500 <APP NAME>[850:78347] [Assert] Unsupported use of UIKit view-customization API off the main thread. -setTintColor: sent to <UIImageView: 0x155d97130; frame = (0 0; 22 22); clipsToBounds = YES; opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0x283cc11c0>>2019-11-12 10:36:54.505194-0500 <APP NAME>[850:78347] This application is modifying the autolayout engine from a background thread after the engine was accessed from the main thread. This can lead to engine corruption and weird crashes.Stack:( 0 Foundation 0x0000000193176cd4 0DF2911E-80CB-3289-8A1E-ED0913D55A12 + 2251988 1 Foundation 0x0000000192f81fd4 0DF2911E-80CB-3289-8A1E-ED0913D55A12 + 200660 2 Foundation 0x0000000192f81eec 0DF2911E-80CB-3289-8A1E-ED0913D55A12 + 200428 3 Foundation 0x0000000192f81b60 0DF2911E-80CB-3289-8A1E-ED0913D55A12 + 199520 4 UIKitCore 0x00000001971388a0 82C949DD-37F6-35F7-B3EF-62BA342F6BF5 + 15181984 5 UIKitCore 0x00000001971392d8 82C949DD-37F6-35F7-B3EF-62BA342F6BF5 + 15184600 6 QuartzCore 0x00000001996255f8 5A4A8F86-A37D-3290-AC6A-9C03140FA5D3 + 1377784 7 QuartzCore 0x0000000199629e28 5A4A8F86-A37D-3290-AC6A-9C03140FA5D3 + 1396264 8 QuartzCore 0x0000000199635894 5A4A8F86-A37D-3290-AC6A-9C03140FA5D3 + 1443988 9 QuartzCore 0x000000019957e9f0 5A4A8F86-A37D-3290-AC6A-9C03140FA5D3 + 694768 10 QuartzCore 0x00000001995a8890 5A4A8F86-A37D-3290-AC6A-9C03140FA5D3 + 866448 11 QuartzCore 0x00000001995a9814 5A4A8F86-A37D-3290-AC6A-9C03140FA5D3 + 870420 12 libsystem_pthread.dylib 0x00000001929c0350 C3FA4F34-750F-362B-BEFE-835BFB15C0F8 + 58192 13 libsystem_pthread.dylib 0x00000001929bd248 C3FA4F34-750F-362B-BEFE-835BFB15C0F8 + 45640 14 libsystem_pthread.dylib 0x00000001929be29c C3FA4F34-750F-362B-BEFE-835BFB15C0F8 + 49820 15 libsystem_pthread.dylib 0x00000001929be034 _pthread_wqthread + 420 16 libsystem_pthread.dylib 0x00000001929c0ae0 start_wqthread + 8)I tried setting a symbolic breakpoint for [UIImageView setTintColor], but it doesn't get hit.
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This does not work for me. I'm setting the tinitColor at the window level, but UISegmentedControl ignores it. Everywhere else seems to accept it, so I assume it's a bug.UIApplication.shared.delegate?.window??.tintColor = theme.tintColor
