This issue occurs NO MATTER your deployment type. (e.g. PIE, Launch, Package...)
This is BLOCKING all deployment from the Mac platform.
This is a regression and does not occur on Windows.
Result: Editor crashes
Play in editor repro:
RESULT
Crash
2017.04.17-12.54.24:295][504]LogMac: === Critical error: === SIGSEGV: invalid attempt to access memory at address 0xc [2017.04.17-12.54.24:296][504]LogMac: FCoreAudioSoundSource::Init(FWaveInstance*) Address = 0x31278490 (filename not found) [in UE4Editor-CoreAudio.dylib] FAudioDevice::StartSources(TArray<FWaveInstance*, FDefaultAllocator>&, int, bool) Address = 0x12d6e036 (filename not found) [in UE4Editor-Engine.dylib] FAudioDevice::Update(bool) Address = 0x12d6fb7f (filename not found) [in UE4Editor-Engine.dylib] FAudioDeviceManager::UpdateActiveAudioDevices(bool) Address = 0x12d81711 (filename not found) [in UE4Editor-Engine.dylib] UEditorEngine::Tick(float, bool) Address = 0xfe34acb (filename not found) [in UE4Editor-UnrealEd.dylib] UUnrealEdEngine::Tick(float, bool) Address = 0x10a9119c (filename not found) [in UE4Editor-UnrealEd.dylib] FEngineLoop::Tick() Address = 0xc660202 (filename not found) [in UE4Editor] GuardedMain(wchar_t const*) Address = 0xc667a62 (filename not found) [in UE4Editor] -[UE4AppDelegate runGameThread:] Address = 0xc675f3c (filename not found) [in UE4Editor] -[FCocoaGameThread main] Address = 0xcea35a6 (filename not found) [in UE4Editor-Core.dylib] __NSThread__start__() Address = 0xb8fb0b3d (filename not found) [in Foundation] _pthread_body() Address = 0x124fe93b (filename not found) [in libsystem_pthread.dylib] _pthread_body() Address = 0x124fe887 (filename not found) [in libsystem_pthread.dylib] thread_start() Address = 0x124fe08d (filename not found) [in libsystem_pthread.dylib]
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-44044 in the post.