Unreal Engine Issues

BP - Exclusive nativization will fail at cook time if a BP class includes a ChildActorComponent with a Data-Only BP set as the ChildActor class.

Note: This does not occur when the nativization mode is set to "Inclusive" in the Project settings. Current workaround: Ensure that the ChildActor class is NOT a data-only Blueprint, by adding scri ...

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor

Changing the Curve Asset in a Material Instance That Uses a Material Layer Crashes the Editor. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5974510 ...

Crash when opening Post Process Material with Live Data Preview running in Profiler

Edit: CrashReporter link: [Link Removed] When running the Session Frontend Profiler as a Live Data Preview and you open a Post Process material, the editor will crash to the desktop. Reproduced in ...

Oculus Hand Components trigger a crash when Hand Tracking Support is changed

Oculus Hand Components trigger a crash while playing in editor when Hand Tracking Support is changed to Hands Only. ...

FDistanceFieldAsyncQueue crash during cook with MetaHuman Hair assets

Crash compiling System when a Dynamic Input only outputs a numeric value

Crash compiling System when a Dynamic Input only outputs a numeric value Crash occurs using Scratchpad and a Dynamic Input Script asset.  The crash does not occur if I connect a parameter to the s ...

Adding a track for LayerData.Offset to UMG Animation throws an Ensure

Adding a track for LayerData.Offset throws an ensure that states "No default blender class specified on property, and no custom blender specified on entities. Falling back to float blender." This do ...

Editor crashes when attempting to open the Window menu after recompiling a Standalone Editor Window plugin

Generated from CrashReporter Attempting to open the Window menu in the Editor after having used the Modules window to recompile a Standalone Editor Window plugin will result in the Engine crashing. ...

Crash in UHierarchicalInstancedStaticMeshComponent::GetOverlappingSphereCount

A licensee has reported a regression from 4.18.3 to 4.19.2 that is causing crashes to occur in their project. The crash occurs when walking onto their foliage in a packaged game. This does not happe ...

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

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