Pick New sprite option becomes unavailable if you change the view options

Tools - Jan 4, 2018

The Pick New sprite option becomes unavailable if you change the view options to either tile or column when working with the keyframes of a 2D animation. This issue affects the project indefinitely ...

UProceduralMeshComponent::UpdateMeshSection does not call UProceduralMeshComponent::UpdateCollision

UE - Simulation - Physics - Apr 20, 2020

Updating a procedural mesh results in an incomplete collision update. Collision bounds appear to get updated properly, but collision data is not updated, despite a navigation rebuild being triggered ...

ARCore: Camera does not function in ARDebugCheck app

UE - Platform - XR - Mar 14, 2022

The camera is not turning on when using the ARDebugCheck app. Some details:The app does not ask for Camera permission and defaults to denied.ARDebugCheck is a Black screen after selecting "Start AR" ...

Actor Sequence Component Not Working While Playing in Standalone

UE - Anim - Sequencer - Jun 6, 2017

When using an Actor Sequence Component in an actor blueprint, the sequence will not play in Standalone. In the test, a cube was used and was increasing its scale using the sequence. When playing in ...

Editor crashes when creating a new level while the current level contains an Actor with an Actor Sequence Component

UE - Anim - Sequencer - Jan 5, 2022

This is not a regression. Tested in: //UE5/Main CL18218925 Binary - Crashed //UE5/Release-5.0 CL16682836 Binary - Crashed //UE4/Release-4.27 CL Binary - Crashed Having a level open that contains a ...

Editing sets and maps of structures does not correctly check for duplicates

UE - Editor - Workflow Systems - Apr 12, 2022

Customer created a custom DataTable with a TSet Property and saw the behavior of allowing duplicate elements within the TSet, which is not allowed. See TSet Documentation for more information. This ...

Wrong normal map compression settings when importing USD file

UE - Editor - Content Pipeline - USD - Apr 22, 2022

Customer Comments: this is just a workflow issue where you need to set the compression settings to normal or tick the sRGB checkbox to fix the shading issue Regression testing done in //UE4/Rele ...

SetOneWayInteraction functionality has no effect on the simulation

UE - Simulation - Physics - Nov 11, 2022

Calling SetOneWayInteraction on a BodyInstance has no effect within the physics engine. The state of the flag is passed in to Chaos but nothing actually uses the value once it is there. It is expe ...

Manually importing LODs are rotated 90 degrees when using Transform Vertex to Absolute

Tools - May 26, 2016

When importing a Static Mesh if you use the default settings and then manually import any LODs for that static mesh they will be rotated by 90 degrees. I found that disabling Transform Vertex to A ...

Anamorphic Squeeze Factor causes a blocky Depth of Field issue on AMD Hardware

UE - Graphics Features - Jul 30, 2025

When using the Anamorphic Squeeze Factor on a camera on AMD RDNA3 and RDNA4 hardware, blocking artefacts may be seen depending on the extent of the blur. The peripheries of the viewport appear to be ...