Construction script does not properly find location of socket if parameter changed in details pane

UE - Gameplay - Blueprint - Oct 20, 2016

Construction script does not properly find location of socket if parameter changed in details pane. If the actor is moved in the viewport, it prints as expected. Regression (yes) issue (does not) ...

Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale

UE - Simulation - Physics - Nov 22, 2024

Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale. The licensee has reported and presented a repro project that displays the erratic behavior of ...

Attempting to apply instance changes to blueprint after altering a struct array crashes editor

UE - Gameplay - Blueprint - Dec 14, 2015

Editor crashes if a struct array that has been made editable is edited in an instance within the details pane of the level viewport, then the changes are applied from the instance to the base bluepr ...

Renaming a level containing Text3DComponent can cause crash

UE - Virtual Production - Jan 6, 2023

BuildTextMesh function queued as AsyncTasks may be called during saving (renaming) a level containing Text3DComponents.  The following workaround fix the problem. void UText3DComponent::BuildTextMe ...

Ensure occurs while duplicating world partitioned level by WorldPartitionRenameDuplicateBuilder commandlet

UE - World Creation - Worldbuilding Tools - World Partition - Aug 21, 2023

The level seems to have been successfully copied. ...

Crash happens when changing Animation Mode to any other mode while a Control Rig is selected.

UE - Anim - Rigging - Control Rig - May 17, 2022

This is a regression. Tested in //UE4/Release-4.27 CL18319896 An assertion is thrown when changing Animation Mode to any other mode while a Control Rig is selected. ...

Editor crashes if an interface array variable is reset in the Detail's Pane

UE - Gameplay - Blueprint - Apr 27, 2016

The editor will crash if an array of interfaces is reset using the "reset values" button (yellow arrow) in the Detail's Pane of the editor. Frequency: 4/4 Crashreporter: N/A Regression? (No), is ...

Trace Hit.Z varies strangely based on trace start/end Z

OLD - Anim - May 8, 2017

The Z value of a trace hit will vary based on the Z value of the start/end points of the trace. The larger the start/end Z range, the larger the variance of Hit.Z values. ...

Lighting channels not working as expected when enabling Ray Tracing Shadow

UE - Graphics Features - Lumen - Oct 13, 2020

Non-Ray Tracing Shadows are only cast from lights on meshes assigned to the same Lighting Channel. When enabling Ray Tracing Shadows this is not the case. Lights will still cast Ray Tracing Shadows ...

Alembic Import with empty first frame will cause the editor to crash

UE - Gameplay - Aug 10, 2016

The editor will crash when importing an Alembic file with an empty first frame. ...