this is 100% reproducible with the MidiDemo on ios, make sure you set status bar hidden to enabled.it works fine when status bar hidden is disabled.
it crashes at juce_ios_UIViewComponentPeer.mm#L274
#0 0x00000001d751eb98 in __kill ()
#1 0x0000000101006edc in juce::isKioskModeView(JuceUIViewController*) at /Users/jon/git/JUCE/modules/juce_gui_basics/native/juce_ios_UIViewComponentPeer.mm:274
#2 0x0000000101006de8 in -[JuceUIViewController prefersStatusBarHidden] at /Users/jon/git/JUCE/modules/juce_gui_basics/native/juce_ios_UIViewComponentPeer.mm:330
#3 0x00000001adf5297c in -[UIViewController _preferredStatusBarVisibility] ()
#4 0x00000001adcdcb50 in +[UIWindow(StatusBarManager) _prefersStatusBarHiddenInWindow:targetOrientation:animationProvider:] ()
#5 0x00000001adcdc9d0 in +[UIWindow(StatusBarManager) _prefersStatusBarHiddenInWindow:animationProvider:] ()
#6 0x00000001ae5fe428 in -[UIApplication _isStatusBarEffectivelyHiddenForContentOverlayInsetsForWindow:] ()
#7 0x00000001ae636054 in -[UIWindow _sceneSafeAreaInsetsIncludingStatusBar:] ()
#8 0x00000001ae635c68 in -[UIWindow _normalizedSafeAreaInsets] ()
#9 0x00000001ae635e9c in -[UIWindow safeAreaInsets] ()
#10 0x00000001aead5278 in -[UIView _safeAreaInsetsForFrame:inSuperview:] ()
#11 0x00000001aead5170 in -[UIView _safeAreaInsetsInSuperview:] ()
#12 0x00000001aead5374 in -[UIView _updateSafeAreaInsets] ()
#13 0x00000001aeb00498 in -[UIView(CALayerDelegate) layoutSublayersOfLayer:] ()
#14 0x00000001af005df4 in -[CALayer layoutSublayers] ()
#15 0x00000001af00c398 in CA::Layer::layout_if_needed(CA::Transaction*) ()
#16 0x00000001af0176e8 in CA::Layer::layout_and_display_if_needed(CA::Transaction*) ()
#17 0x00000001aef62d7c in CA::Context::commit_transaction(CA::Transaction*, double, double*) ()
#18 0x00000001aef8cf40 in CA::Transaction::commit() ()
#19 0x00000001ae5f4d8c in _UIApplicationFlushRunLoopCATransactionIfTooLate ()
#20 0x00000001ae69bac4 in __processEventQueue ()
#21 0x00000001ae692afc in __eventFetcherSourceCallback ()
#22 0x00000001abd0bbf0 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ ()
#23 0x00000001abd0baf0 in __CFRunLoopDoSource0 ()
#24 0x00000001abd0ae9c in __CFRunLoopDoSources0 ()
#25 0x00000001abd053e0 in __CFRunLoopRun ()
#26 0x00000001abd04ba0 in CFRunLoopRunSpecific ()
#27 0x00000001c2a6a598 in GSEventRunModal ()
#28 0x00000001ae5f62f4 in -[UIApplication _run] ()
#29 0x00000001ae5fb874 in UIApplicationMain ()
#30 0x000000010100ad8c in juce::juce_iOSMain(int, char const**, void*) at /Users/jon/git/JUCE/modules/juce_gui_basics/native/juce_ios_Windowing.mm:427
#31 0x0000000100ee5698 in juce::JUCEApplicationBase::main(int, char const**) at /Users/jon/git/JUCE/modules/juce_events/messages/juce_ApplicationBase.cpp:237
#32 0x0000000100e62e24 in main at /Users/jon/git/MidiDemo/Source/Main.cpp:68
some git bisecting led me to 56f9f83638385cf4700f9840f7917cc67485c3b1 - reverting this change locally fixes the issue for me i was wrong, reverting it shows the midi dialog but the crash still occurs after the midi dialog is closed.