Unreal Engine Issues
Unreal Engine Issues
Uniform Static Mesh Sampling doesn't work on GPU Niagara Emitters
UE - Niagara - Aug 11, 2020Uniform sampling of static meshes for GPU emitters does not work. ...
Override Game Mode in Media Render Queue does not work properly
UE - Anim - Sequencer - Jun 21, 2021This problem behaves differently between Local and Remote Render when Game Mode is set in Override. ...
Shadows cast on a translucent forward shaded materials renders with jagged edges
UE - Rendering Architecture - Materials - Mar 31, 2022Shadows cast on a translucent forward shaded materials renders with jagged edges. In 4.27 the edges are different with some jagged points only those points are not as prominent. [Link Removed] ...
Virtual Bones Are Not Retained in Retargeted Animation Aim Offsets
UE - Anim - Rigging - Retargeting - May 13, 2022Occurs 5/5 times Virtual Bones are not retained in Retargeted Animation Aim Offset. Regression does not occur as UE5 Manny assets are not available for retargeting before UE5. ...
[CrashReport] UnrealEditor-AnimGraph!UAnimGraphNode_Base::GetAnimBlueprint() [AnimGraphNode_Base.h:306]
UE - Anim - Sequencer - May 16, 2022Generated from CrashReporter ...
[Oscilloscope][Analyser Probes] - Analyser graph doesn't update smoothly when observing pin outputs
UE - Audio - MetaSounds - Sep 22, 2023[Image Removed] ...
Bug in StringTemplate.cpp related to modulo operator in MaterialTemplate.ush (code fix provided)
UE - Rendering Architecture - Materials - Jun 25, 2024Shader Template files like MaterialTemplate.ush do not submit previous chunks when encountering a `%` character, unless that `%` character is `%s` or `% {...} `. Because the error is happening ...
r.Lumen.Reflections.DownsampleFactor split screen artifact
UE - Graphics Features - Lumen - Dec 6, 2024In Split-Screen, with "r.Lumen.Reflections.DownsampleFactor" set to 2, it is possible to have vertical colored artifacts on View 1 (the second view). The Licensee reported the artifact occurred on ...
Disabling bLerpUVs in Nanite Settings of Static Mesh causes texture warping in clusters
UE - Graphics Features - Nanite - Jan 21, 2025The licensee has identified a potential fix by changing if( Settings.bLerpUVs ) to if( Settings.bLerpUVs || UVIndex == 0 ) On line 389 of NaniteBuilder\Private\Cluster.cpp in UE 5.5 ...
Distance Field AO from Moveable Skylight (non-Lumen) invalidates AO incorrectly with a screenspace offset to the right of moving objects
UE - Graphics Features - Mar 25, 2025When Global Illumination is set to “None” in the project settings the ambient occlusion does not correctly render shadows for moving objects. This has been observed in versions 5.4 and above. ...