Packaged Game Crashes When Launched with the -dx12 for Ray Tracing Features and PixelStreaming enabled

PixelStreaming - Apr 3, 2019

Packaged game crashes when launched with the -dx12 option and PixelStreaming is enabled. Found in 4.22 CL# 5660361 and 4.23 CL# 5704223 ...

Crash on Level Reload in Standalone when Set Sound Mix Class Override is called

UE - Audio - Aug 29, 2018

When the Set Sound Mix Override is called, reloading the level causes a crash when played in Standalone. Tested in 4.19.2 (CL - 4033788), 4.20.2 (CL - 4302132), 4.21 (CL - 4324949) ...

[CrashReport] Mac crash - UE4Editor-SlateCore.dylib!FSlateApplicationBase::Get()

UE - Platform - Apple - Oct 5, 2017

This is a slightly common Mac crash that has occurred since 4.17.1. Users have not provided any descriptions of their actions when the crash occurred. Callstack from Log[2017.10.05-15.00.31:683][3 ...

Crash setting actor rotation via details panel in VR editor

UE - Editor - Workflow Systems - Feb 3, 2017

Crash attempting to input value for Rot Y in a floating details panel. Found on //UE4/Release-4.15 CL-3283184. Reproduces in Binary and P4 versions of the editor. Reproduces in //UE4/Main CL-3283 ...

Creating a Blueprint Variable for InputActionKeyMappings, and then removing the default input parameter causes crash.

UE - Gameplay - Input - Nov 9, 2018

Upon creation and compilation of a Blueprint Variable of type InputActionKeyMappings, when clicking the "X" to remove the default input key parameter causes the editor to crash. ...

Crash after importing a 16k Normal Map while Unreal Real is Preparing Texture

UE - Texture - Sep 12, 2022

This is a regression tested in //UE4/Release-4.27 cl18319896 Editor crashes after importing a 16k Normal Map while Unreal Real is Preparing Texture. Other non-normal maps seem to work without issue ...

Crash changing variable type from Object Reference to Actor Soft Object Reference

UE - Gameplay - Blueprint - Oct 3, 2017

REGRESSION: No, this occurs as far back as 4.16. Crash occurs when the user changes a variable type from Object Reference to Actor Soft Object Reference. ...

Selecting Two Sided Foliage In Editor with Material Layers Enabled Causes Crash

UE - Graphics Features - Nov 20, 2018

With material layers enabled, selecting two sided foliage will cause the engine to crash. This is working as expected in 4.20 CL# 4369336. Found in 4.21 CL# 4541578 and 4.22 CL# 4573698 This is a ...

[CrashReport] Mac crash - UE4Editor-AudioEditor.dylib!FSoundCueEditor::DeleteInput()

UE - Platform - Apple - Sep 14, 2017

This is an infrequent Mac crash that has occurred for users since 4.16. Users have not provided any descriptions of their actions when the crash occurred. There is no record of a similar callstack ...

Crash when deleting BindingOverrides if the target property is left open on the details panel

UE - Anim - Sequencer - Sep 22, 2023

Crash if opening ALevelSequenceActor::BindingOverrides in the details panel and run a process that empties the BindingOverrides elements. Workaround: FMovieSceneObjectBindingID FMovieSceneObjectBi ...