Unreal Engine Issues
Unreal Engine Issues
MRQ reports missing frames when rendering multiple cameras on a Sequencer camera track with Temporal Sample Count > 1
UE - Virtual Production - Tools - MRQ - Feb 2, 2026If there are multiple cameras in the Sequencer camera track, everything works correctly when the Temporal Sample Count for anti-aliasing is set to 1. However, when it is set to 3, the following erro ...
Enabling MobileHDR on Meta Quest 3 device causes intermittent hang in splash screen
UE - Platform - XR - Feb 2, 2026Using MobileHDR on an actual MetaQuest device (MQ3 tested) causes an intermittent hang/deadlock in the splash screen. This hang in the splash screen seem to happen maybe 1 in 5 times. The first ti ...
Hard shadow edges appear when using Displacement Fade on a Nanite tessellated landscape
UE - Rendering - Graphics Features - Shadows - Feb 2, 2026A hard shadow edge occurs when displacement fade is enabled on a Nanite landscape with tessellation. This occurs on the edge between two clipmap levels of the VSM. The artefact can be somewhat red ...
Crash when enabling Nanite on a Mesh using an OptimusDeformer
UE - Anim - Rigging - Deformer - Jan 29, 2026When a skeletal mesh has a deformer present and then nanite support is enabled and applied. (the deformer in question was hsasset://DeformerGraph/Deformers/DG_LinearBlendSkin_Morph_Cloth_RecomputeNo ...
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 ...