Unreal Engine Issues
Unreal Engine Issues
Spatialization no longer occurs when Non-Spatialized Radius is set above 0
UE - Audio - Sep 13, 2016Audio spatialization no longer occurs when Non-Spatialized Radius is set above 0 in a sound actor (instance or in a sound cue). I could not reproduce this issue in UE4/Main. ...
Ensures for Pixel and Vertex Shaders occur when running TM-ShaderModels with -onethread
UE - Graphics Features - Jan 20, 2017Two ensures fire when opening the TM-ShaderModels Map in QAGame with the -onethread argument. The callstacks look identical with the exception that one is for a pixel shader and the other is for a v ...
Specular Scale 0 on Light still affects Groom asset
UE - Rendering - Architecture - Jul 30, 2025When a light's Specular Scale is set to 0, the specular still affects hair / groom assets. The specular of other assets (like a shiny static mesh in the scene) is properly affected by the change. ...
Crash when making Android package in SlateTextShaper.cpp
UE - Editor - UI Systems - Slate - Apr 7, 2020Crash when outputting garbled text when creating Android package. It did not occur in my colleague's environment using English OS, but occurred in my environment using Japanese OS. This issue should ...
Morph target LOD over 0 not worrking with GPU skin
UE - Rendering - Architecture - RHI - Dec 17, 2019I do not know what happen here and I need the help of the rendering team to debug this issue. There is no log at all even with -d3debug If you import the file SK_LOD_Morph_Working.fbx its a similar ...
Area scattering defaults to 0.01 spacing when input is invalid
TM - Tools - Dec 18, 2025If the user provides an invalid input for Area spacing (for example, using the hotkey 'R' to check the raytraced image), the spacing defaults to a value of 0.01m. Depending on the size of the Area s ...
Setting Fixed Frame Rate Prevents Particle Collision In PIE, Standalone, and Packaged Game
UE - Graphics Features - Oct 12, 2016If you set the project to use a fixed frame rate, particle collision no longer works. ...
Landscape No Longer Renders when Setting Max Desired Draw Distance Above 0
UE - World Creation - Worldbuilding Tools - World Composition - Jul 1, 2019Landscapes no longer renders when setting max desired draw distance above 0. Found in 4.21 CL# 4753647, 4.22 CL# 7053647, 4.23 CL# 7208101. 4.24 CL# 7210422 ...
Material editor crash in 5.0.2
UE - Rendering - Architecture - Materials - Sep 2, 2022Nanite custom depth rendering is missing support for r.CustomDepthTemporalAAJitter=0
UE - Rendering - Features - Nanite - Dec 14, 2023Nanite custom depth rendering doesn't "de-jitter" the view parameters for custom depth rendering when r.CustomDepthTemporalAAJitter is set to 0. This was discovered by a licensee and reported via U ...