This is a regression and does not occur on Windows
Result: Audio becomes distorted before eventually crashing
UE4Editor-Core.dylib!rml::internal::Block::freePublicObject() UE4Editor-Core.dylib!FMemory::Free() UE4Editor-CoreAudio.dylib!FCoreAudioSoundSource::SubmitPCMBuffers() UE4Editor-CoreAudio.dylib!FCoreAudioSoundSource::Init() UE4Editor-Engine.dylib!FAudioDevice::StartSources() UE4Editor-Engine.dylib!FAudioDevice::Update() UE4Editor-Engine.dylib!TGraphTask<FFunctionGraphTask>::ExecuteTask() UE4Editor-Core.dylib!FNamedTaskThread::ProcessTasksNamedThread() UE4Editor-Core.dylib!FNamedTaskThread::ProcessTasksUntilQuit() UE4Editor-Core.dylib!FTaskGraphImplementation::ProcessThreadUntilRequestReturn() UE4Editor-Engine.dylib!FAudioThread::Run() UE4Editor-Core.dylib!FRunnableThreadPThread::Run() UE4Editor-Core.dylib!FRunnableThreadPThread::_ThreadProc() libsystem_pthread.dylib!<Unknown> libsystem_pthread.dylib!<Unknown> libsystem_pthread.dylib!<Unknown>
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-41146 in the post.