Unreal Engine Issues
Unreal Engine Issues
Subsurface Profile material in scene capture with r.SubsurfaceScattering set to 0 causes wrong value in alpha channel
UE - Graphics Features - Substrate - Jul 24, 2023World Partition Editor minimap build failed
UE - World Creation - Worldbuilding Tools - Aug 10, 2023The issue was reproduced when building a minimap for an open world level with no Actors with "Is Spatially Loaded" enabled. Placing additional Actors with "Is Spatially Loaded" enabled in the level ...
Edit Conditions on Struct that contains FGameplayTagQuery leave the property readonly
UE - Gameplay - Gameplay Tags - Apr 8, 2024When inside an array is used a UStruct with a FGameplayTagQuery var that has the EditCondition meta that is evaluating inside the struct. When a new element is added to the array in the editor, if a ...
PCG crash when using Attribute Remove Duplicates on partitioned data if one of those sets of data is empty
UE - World Creation - Procedural Tools - PCG Graph - Jul 3, 2025Context: In PCG, the Attribute Remove Duplicates node can be used to remove duplicate attributes from an array. Problem: The licensee has observed that using the Attribute Remove Duplicates node ...
RayTracing - Nanite Foliage assets do not display shadows properly when painted with Foliage Tool
UE - Graphics Features - Ray Tracing - Aug 18, 2025LOD glitch when using Control Rig with Import Skeleton node
UE - Anim - Rigging - Control Rig - Aug 26, 2025In Unreal Engine 5.6 and Main, a glitch occurs when switching between LODs in a character setup that uses a Control Rig to dynamically load the skeleton hierarchy through the Import Skeleton node in ...
Gameplay Tags sourced from a Composite Data Table do not reflect changes made to its parent tables
UE - Gameplay - Gameplay Tags - Dec 5, 2025When a Composite Data Table is included in the "Gameplay Tag Table List" on the Project Settings, making and saving changes to one of its Parent Tables does not cause the Gameplay Tag Tree to refres ...
SSR not rendering correctly in SM4 Preview
UE - Graphics Features - Sep 20, 2017This is a regression from 4.17.2 and you do not need to be in PIE to see the effect. This is not seen in Shader Model 5 ...
Particle memory can be corrupted leading to a crash
UE - Foundation - Core - Jan 7, 2019New 'UncookedOnly' modules can incorrectly be included as a build dependency after nativization of a Blueprint asset
UE - Gameplay - Blueprint - Dec 20, 2019The new 'UncookedOnly' module type that was added in 4.24 is not visible to Blueprint nativization, and thus it does not know to exclude these module types from the generated Build.cs file when they ...