Description

This is a common crash affecting Mac users in 4.16. It has occurred since at least 4.13

Steps to Reproduce

User Descriptions

  • Steps to reproduce:
    1) In any blueprint, open the event graph.
    2) Hover over back arrow for tab history.
    3) Wait for tooltip, "Step backward in the tab history. Right click to show full history" to appear.
    4) Right click.
    5) Entire editor crashes.
    This happens in every project I tried - personal projectes and official Unreal projects such as BlueprintOffice.
Callstack
UE4Editor-Kismet.dylib!FTabInfo::OnMouseDownHisory(FGeometry const&, FPointerEvent const&, TWeakPtr<SMenuAnchor,()
UE4Editor-Kismet.dylib!TBaseSPMethodDelegateInstance<false, FTabInfo, (ESPMode)0, FReply (FGeometry const&, FPointerEvent const&), TWeakPtr<SMenuAnchor, (ESPMode)0> >::Execute()
UE4Editor-SlateCore.dylib!SWidget::OnMouseButtonDown()
UE4Editor-Slate.dylib!FSlateApplication::RoutePointerDownEvent()
UE4Editor-Slate.dylib!FSlateApplication::ProcessMouseButtonDownEvent(TSharedPtr<FGenericWindow,()
UE4Editor-Slate.dylib!FSlateApplication::OnMouseDown(TSharedPtr<FGenericWindow,()
UE4Editor-Core.dylib!FMacApplication::ProcessMouseDownEvent(FDeferredMacEvent const&, TSharedPtr<FMacWindow,()
UE4Editor-Core.dylib!FMacApplication::ProcessEvent()
UE4Editor-Core.dylib!FMacApplication::ProcessDeferredEvents()
UE4Editor-Slate.dylib!FSlateApplication::TickPlatform()
UE4Editor-Slate.dylib!FSlateApplication::Tick()
UE4Editor!FEngineLoop::Tick()
UE4Editor!GuardedMain()
UE4Editor!<Unknown>
UE4Editor-Core.dylib!<Unknown>
Foundation!Unknown()
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>

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Fixed
ComponentUE - Platform - Apple
Affects Versions4.134.144.154.164.18
Target Fix4.17
Fix Commit3548033
Main Commit3596628
Release Commit3548033
CreatedJul 20, 2017
ResolvedJul 21, 2017
UpdatedApr 27, 2018
View Jira Issue