Unreal Engine Issues
Unreal Engine Issues
The infamous "smearing" is still present when SceneCaptureComponent2d is active
UE - Platform - XR - Jan 28, 2026UGS log a total sync time that is roughly double the actual time
UE - Foundation - UGS - Jan 27, 2026Crash when Background Blur is added with Instanced Stereo enabled
UE - Editor - UI Systems - UMG - Jan 26, 2026Textures from Data tables do not work with Clip with UV Mask.
UE - Anim - Mutable - Jan 23, 2026Currently this workflow fails to generate in mutable, but using static paramters for textures do work. ...
PCG Volume does not regenerate after being moved through a sequencer sequence
UE - World Creation - Procedural Tools - PCG Component - Jan 23, 2026Any transform modifications on the PCGVolume by Sequencer use USceneComponent::SetRelativeTransform directly and are not tracked by the TrackingManager (FPCGTrackingManager::OnObjectPropertyChanged ...
Texture streaming uses ISM component bounds instead of closest ISM instance
UE - Rendering Architecture - Jan 22, 2026When regular texture streaming is used (not virtual textures), the largest mips are always loaded for ISM mesh textures whenever the camera is inside the bounds of the ISM even if the instances are ...
Unable to use AnimInstance metadata when using Passthrough Skeletal Mesh Component.
UE - Anim - Mutable - Jan 22, 2026With the standard non-passthrough flow you set the AnimBP on the SkeletalMesh node itself. With the passthrough SkeletalMeshComponent node I see no place to set the AnimBP. While I can set this manu ...
StaticMesh export to FBX crashes if UVElements has more channels than VertexInstanceUVs
UE - Editor - Content Pipeline - FBX - Jan 22, 2026As indicated in the repro steps, we have a StaticMesh asset that, for some reason, has a mismatch in their serialized bulk data where:MeshDescription->GetNumUVElementChannels() == 2FStaticMeshConstA ...
Custom Primitive Data is not affected in the skeletal mesh on BP instances in the editor
UE - Rendering Architecture - Jan 22, 2026Editing Custom Primitive Data values in the details panel of a placed BP actor with a Skeletal Mesh component does not reflect in the Editor viewport. ...
PCGs Duplicate Point node option to apply in Relative Space has metadata warnings and crashes editor.
UE - World Creation - Procedural Tools - Jan 21, 2026When using the PCG Duplicate Point node's "Direction Applied in Relative Space" option, this deletes or messes with the output metadata and, if connected to an output or using it's debug mode, will ...