Unreal Engine Issues
Unreal Engine Issues
Ensure When Adding Nodes to Material Graph in Forward Shading
UE - Graphics Features - May 15, 2019Ensure occurs when adding a Constant3Vector to the Material Graph in Forward Shading. Works as expected in 4.21 CL# 4753647 Found in 4.22 CL# 6063286 and 4.23 CL# 6395561 ...
Niagara Sub UV Index ignored
UE - Niagara - May 16, 2019Using the Particles.SubImageIndex has no effect on what portions of the a UV are rendered in Niagara. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6533064) ...
Disabling fog in Unlit mode does not work
UE - Graphics Features - Jun 11, 2019The Show Flags for Fog no longer function correctly when in Unlit mode. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6574378), 4.23 (CL - 6925347) ...
Package does not load using Vulkan on Oculus Quest
UE - Platform - XR - Jul 31, 2019When attempting to open a package using Vulkan, the application is loading and never opens. This happens for Launch On as well. This issue may be related to [Link Removed]. I was not able to reprod ...
CAD Geometry translation error
UE - Editor - Content Pipeline - Datasmith - Importer - Sep 6, 2019Importing the CAD file into Datasmith causes huge surfaces to appear on the model that do not appear in the CAD software. This was reported and tested in 4.22 (4.22E2). This was reproduced in 4.23 ...
Can't assign LightMapCoordinateIndex on Static Mesh with generated LODs
Tools - Jan 10, 2020Once a static mesh have generated LODS, the only lightmap index value the static mesh editor's UI accepts is 0. We should be able to set the index to any value between 0 and 3 as long as there are ...
Niagara Map Set parameters are improperly named
UE - Niagara - Mar 9, 2020Parameters are misnamed when adding a new parameter to Map Set in a Niagara Module Script Tested: 4.23.1, 4.24.3 , 4.25 preview, 4.26 (main) ...
Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling
UE - Editor - Workflow Systems - Jan 11, 2022This is a regression.This does not affect UE5. Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling. In 4.26 and UE5 the code compiles without issue, and the user ...
[AI] Area Class to Replace does not work on SplineNavModifierComponent
UE - AI - Navigation - Jun 16, 2025The SplineNavModifierComponent does not have the same behavior as regular nav modifier components where the modifier can specify that it only replaces a given NavArea class. Setting the area class t ...
The Delay node cannot be added to the StandardMacros bp in the Engine folder
UE - Gameplay - Blueprint - Jan 19, 2015The Delay node cannot be added to the StandardMacros bp in the Engine folder. However, the Delay node can be added to a new Macro Library bp and any Macro in an actor class blueprint. ...