Texture Object Parameter Being Read Even If It Is Not Used In a Material

UE - Graphics Features - Jul 17, 2019

Texture Object Parameter Being Read Even If It Is Not Used In a Material.  Working as expected in 4.21 CL# 4753647 Found in 4.22 CL# 7053642, 4.23 Preview 2 CL# 7321677, 4.24 CL# 7329126 This is ...

Spline points deleted after movement

UE - Editor - Workflow Systems - Sep 6, 2019

Spline points are deleted from the Spline component after adding them in Python and then moving them in the scene. Tested in 4.21.2 (CL - 4753647) 4.22.3 (CL - 7053647), 4.23.0 (CL - 8386587), 4.24 ...

Additives using Frame From This Animation as the Base Pose Type fail to retarget correctly

UE - Anim - Rigging - Retargeting - Feb 13, 2025

Additive animations that use a frame from their own sequence as a base pose are initially broken when retargeted.  Users have to refresh the properties that select the base pose in order to fix the ...

Unreal Editor crash on Datasmith import with VrayBlend Materials

UE - Editor - Content Pipeline - Datasmith - Importer - Jun 16, 2020

It seems like VrayBlend materials are crashing the Engine when importing them with Datasmith. This is a regression from 4.24.3 (CL-11590370) where the file imported successfully. This was reported ...

Adding a scene component to a child blueprint causes log warnings to appear in output log

UE - Gameplay - Blueprint - Sep 1, 2015

If a scene component is added to a child blueprint and the parent blueprint is compiled, a log warning will appear that states: "LogBlueprint:Warning: USimpleConstructionScript::FixupRootNodeParen ...

Custom lighting channels ignored when object culled in stereoscopic

UE - Platform - XR - Apr 14, 2016

When a light that uses lighting channels is only visible in one view during stereoscopic rendering, it affects the default light channel instead of the assigned one in the view that it's not visible ...

Scaling a SceneCapture2D from Default Scale will cause Decals to Disappear in the Render Target

UE - Graphics Features - Dec 6, 2016

When scaling a SceneCapture2D actor/component any decals there were being rendered within the Render Target disappear. I also noticed that when the SceneCapture2d is set to orthographic, the scale ...

Pin wires do not connect correctly after collapse to function and duplication

UE - Gameplay - Blueprint - Mar 20, 2017

Pin wires do not connect correctly after collapse to function and duplication. Any node can cause this issue, I used an INT variable because it was quick to test with. Regression: This issue affect ...

World Aligned Texture / Normal in Decals does not Operate as Expected

UE - Graphics Features - Jun 26, 2018

World Aligned Texture / Normal in Decals does not operate as expected, however when used as a surface material it will work just fine. Found in 4.19 CL# 4033788, 4.20 Preview 3 CL# 4154964, 4.21 CL ...

Generate Lightmap UVS Doesn't Update the Lightmap Coordinate Index

Tools - Jul 23, 2018

When importing an fbx file and using 'generate lightmap uvs', the light map coordinate index will not update correctly. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4212847 and 4.21 CL# ...