Unreal Engine Issues
Unreal Engine Issues
Foliage radius does not affect other foliage assets
UE - World Creation - Worldbuilding Tools - Foliage - May 5, 2016Setting the radius on a foliage asset does not prevent other foliage assets from being painted within that radius. Regression (no) issues (does) occur in 4.10.4 ...
SkelMeshMerge not working for meshes with >1 LOD
OLD - Anim - May 31, 2018Reported on UDN (see Additional Info URL). Looking at code, we call USkeletalMesh::AllocateResourceForRendering for every LOD, but we should only call it once. Need to check if our SkelMeshMerge t ...
Actor Enable Collision does not affect ISM
UE - Simulation - Physics - Nov 12, 2020The problem was reported via UE Bug Submission. I was able to repro with their provided test project. ...
Scene Capture Cube not affected by bloom
zComponent - Archive - Jun 17, 2021SplineComponent - setting roll affects tangents
UE - Framework - Components - Jun 12, 2023Licensee reports issue with setting roll on a spline component control point. ...
Synthetic benchmark is affected by Scalability Settings
UE - Rendering - Architecture - RHI - Feb 19, 2025Sumo Digital Ltd. has reported that the synthetic benchmark has skewed GPUIndex scores when changing graphics scalability settings (i.e. r.LumenScreenProbeGather.DownsampleFactor). They are currentl ...
Crash when saving after resetting Instanced array element via Property Matrix on placed actors
UE - Editor - Nov 21, 2025When an Actor Component contains an Instanced UObject array marked EditDefaultsOnly, adding a new element to the Blueprint defaults correctly updates the Blueprint and its own Property Matrix. Howev ...
Crash at compile time when using a VariableSet node with a local variable created by pasting a private property
UE - Framework - Blueprint - Oct 7, 2025When a property is created in this way, a local variable with a Private flag is generated. Since such a variable is generally not desirable, it would be better to remove the Private flag upon pastin ...
Morph Target Preview Slider Defaults to One When Entered Value is Larger Than One
OLD - Anim - Jan 2, 2018When morph target weight value is set to a number other than 1 the slider sets it back to being a value under 1. It does not go down from the number that it was set to but instead defaults to being ...
Crash when upgrading Nvidia GFX driver from Version 457.85 with open Project
UE - Graphics Features - Nov 18, 2022Repro Rate: 5/5 Summary: When opening a Project in UE version 5.1.0 with Nvidia GFX driver version ###, the user is notified that there are known issues with this driver through a pop-up:WARNING: K ...