Unreal Engine Issues
Unreal Engine Issues
(GAS) Block tags are ignored in version 5.5.2 if two abilities share the same parent tags structure.
UE - Gameplay - Gameplay Ability System - Feb 5, 2025Block tags are not working correctly in version 5.5.2, it was working in 5.5.1. This is caused by a change done in version 5.5.2. The exact CL is: CL 35930696 ...
Hierarchical Instance Static Mesh's array does not reorder itself correctly
UE - Graphics Features - Jan 16, 2017When an instance is removed from a Hierarchical Instanced Static Mesh's array, if there are indices that are further along in the array that fill that index, the last index in the array is used to d ...
LOD 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 ...
Starter Content's "P_Explosion" does not successfully convert to a Niagara System - incorrect loop, spawn, sprite size, and collision behaviors
UE - Niagara - Cascade - Mar 17, 2022Starter Content's "P_Explosion" does not successfully convert to a Niagara System - incorrect loop, spawn, sprite size, and collision behaviors Changes needed for / issues found with each emitter:A ...
Raytraced reflection doesn't work with high roughness
UE - Graphics Features - Lumen - Oct 30, 2020Even when the max roughness for raytraced reflections is set to 1, they seem to be blended away at far below that value. For projects (e.g. film,vfx) where quality trumps speed it would be valuable ...
Planar Reflections Not Behaving As Expected in Splitscreen
UE - Graphics Features - Dec 19, 2018This occurs in //UE4/Main @ CL 4670176 Not a Regression. This is similar to https://jira.it.epicgames.net/browse/UE-59149 but when adding more player characters it seems to change the planar reflec ...
Resave commandlet broken when using BuildEnvironment = TargetBuildEnvironment.Unique;
UE - CoreTech - May 14, 2024The explanation from the licensee seems pretty comprehensive. Text from the UDN: We've been trying to run fixupredirects via the resavepackages commandlet, but noticed that the OFPA assets were no ...
Foliage LODs do not appear to use the base LODs lightmap any longer
UE - World Creation - Worldbuilding Tools - Foliage - Dec 16, 2016LODs used with the Foliage Tool are no longer being shadowed accordingly with their baked lighting from their base LOD. Originally they would stay consistently lit, where as now the lower LOD transi ...
Crash while using Geometry Scripting to add an Array of Vector 2D data to 'Append Buffers to Mesh' node UV0 input pin
UE - Graphics Tools - Modeling Tools - Jun 13, 2022Geometry Scripting plugin isn't available for 4.27.2, and the behavior is the same 5.0.1. Crash while using Geometry Scripting to add an Array of Vector 2D data to 'Append Buffers to Mesh' node UV0 ...
'Call In Editor' events on components are not exposed in the details panel
UE - Gameplay - Mar 3, 2017Request for an Actor Components Blutility 'Call In Editor' events to be accessible from derived class. It would also be expected to see the Blutility dropdown selection and Run button in the actors ...