Unreal Engine Issues
Unreal Engine Issues
Atmosphere related scan line artifacts for Path Tracer with MGPU
UE - Graphics Features - Path Tracer - Feb 10, 2023There are two UDNs related to this issue. It makes the Path Tracer unusable with MGPU, with atmosphere enabled. I already have a one-line fix implemented and tested. The atmosphere scan line arti ...
Alpha blending is done twice when using RenderOpacity of RetainerBox's parent slot
UE - Editor - UI Systems - UMG - Feb 10, 2023Licensee reported that alpha blending is done twice in the code below, and the fix below seems to fix it. .\Engine\Source\Runtime\UMG\Private\Slate\SRetainerWidget.cpp From:const FLinearColor Compu ...
Stencil Test Post Process Breaks in Stereo Rendering
UE - Platform - XR - Feb 9, 2023[Link Removed] post process material is blacking out our left eye A test project is provided. ...
Errors occur when moving duplicated Material Instances
UE - Rendering Architecture - Materials - Feb 9, 2023Licensees have reported that two UMaterialInterfaceEditorOnlyData objects are being created for duplicated assets, causing a name conflict when renaming. ...
Editor Crashes when copy/pasting an emitter in the Niagara timeline
UE - Niagara - Feb 8, 2023When creating the emitter's track widget we search for the stack view model's root entry, but the stack view model pointer is null, so we crash. ...
Calling RemoveAllAnchors function on a non-clustered geometry collection falls extremely fast
UE - Simulation - Physics - Destruction - Feb 8, 2023Non-clustered geometry collections applied RemoveAllAnchors are not put into FPBDRigidsSOAs::DynamicGeometryCollectionArray, so acceleration is not reset every tick and they fall super fast. The fol ...
NiagaraEditor timeline folders are not saved correctly
UE - Niagara - Feb 8, 2023It works correctly in 5.0.3. ...
Index of Texture Cube Array cannot be specified with VisualizeTexture on D3D11
UE - Rendering Architecture - RHI - Feb 8, 2023Licensees have reported that they always see Index 0 for Texture Cube Arrays. Looking at the RenderDoc, Index1 has a white texture but it's not actually visible.[Image Removed] ...
Editable FBox properties are not saved
UE - Foundation - Core - Feb 7, 2023FBox properties in the editor are not being saved. This appears to be a regression caused by CL# 21566516 that was missed due to there being no editable box types in the Epic codebase. ...
TSR ghosting when see through translucent wall
UE - Graphics Features - Feb 7, 2023see through a translucent material will cause ghosting This issue did not occur in 5.0, it occurs when using TSR on UE 5.1 or later. ...