Manipulating Morph Target on Master Component distorts Slave Components

OLD - Anim - Apr 1, 2016

Manipulating Morph Targets on Master Component distorts Slave Components. It makes no difference if the slave component has the morph target being manipulated in the master See attached image and ...

GTAO console command minor issues

UE - Graphics Features - Oct 18, 2024

The following ambient occlusion console commands have issues: r.AmbientOcclusion.Compute ? The help text state it only works console but it also works on PC and likely other platforms. r.GTAO.Use ...

Fbx importer can import valid under 30Hz anim at 30Hz

Tools - Jul 17, 2017

The samplerate of a track was compute with the following formula Equation 1: number of Key / animation Time This formula work only if we have animation keys that are time equidistant. example of ...

Surface Profile Skin shading has some unexpected stripe rendering issues

UE - Graphics Features - Apr 3, 2018

So it looks like the artifact is definitely related to whether sss checkboard is enabled, but I can't reproduce it if enabling checkboard right after open the map, I mean it has to be reproduced aft ...

Cannot touch at top of screen after input japanese on UEditableTextBox on IOS

UE - Platform - Mobile - Apr 5, 2022

[translated comment from licensee] This issue can be found in a IOS project using the Integrated Keyboard. it occurs when using a Japanese keyboard on EditableTextBox. There is no problem with Engl ...

The selection operation with notify track in Persona is not compatible with custom window display scaling

UE - Anim - Runtime - Jun 4, 2025

It appears that notify track does not follow the size of the custom window scale. As a result, display problems may occur, and events may be placed in unexpected positions. This is similar to [Link ...

Incorrect Lumen Scene direct lighting when objects behind masked landscape

UE - Graphics Features - Lumen - Oct 5, 2025

When objects are placed behind or beneath a masked landscape and r.Lumen.HardwareRayTracing.SurfaceCacheAlphaMasking is enabled, the direct light evaluation is incorrect. There are two workarounds, ...

[CrashReport] UE4Editor_Engine!UBodySetup::FinishCreatingPhysicsMeshes() [bodysetup.cpp:464]

UE - Simulation - Physics - Oct 27, 2017

This is a trending crash coming out of the 4.18 release. User DescriptionsWas moving assets that were migrated from another project. Source Context 451 if(bClearMeshes) 452 { ...

ExpandEnumAsExecs always uses first Exec if an argument name matches Enum value

UE - Gameplay - Blueprint - Jan 13, 2023

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. EnumBugBP uses two enum cases and three argument cases for 6 total permutations:Enum w ...

Material Shared Samplers do not honor Texture Quality console variables

UE - Graphics Features - Apr 28, 2016

When using shared samplers in the material do not adjust quality when adjusting the console variable or texture quality in Engine Scalability for SG.TextureQuality. Attached is an image for demons ...