Unreal Engine Issues
Unreal Engine Issues
Roughness rendering differently on Macs
UE - Graphics Features - Oct 4, 2016The roughness value for Macs renders differently (less rough or glossy) compared to Windows. It also seems to render as expected within the Material Editor preview window, but when applied to an obj ...
Custom Primitive Data on BP instance not taking affect while in editor
UE - Rendering - Architecture - Apr 5, 2023Original Repo is from 4.27, however, it still happens in 5.2. This is happening because the Instance Data system does not update the field UPrimitiveComponent::CustomPrimitiveDataInternal from the d ...
SSR Does Not Work On Mobile or Mobile Preview
UE - Platform - Mobile - Mar 7, 2017In our Docs page SSR is listed as compatible with mobile here: https://docs.unrealengine.com/latest/INT/Platforms/Mobile/PostProcessEffects/ While testing this doesn't seem to be the case so either ...
Sphere Reflection Capture Influence Radius Broken In Forward Shading
UE - Graphics Features - Apr 14, 2017When forward shading is enabled sphere reflection actors seem to disregard their influence radius. This seems to cause issues with effecting meshes that should be outside their radius. ...
Texturing: RC 1.5 texturing hangs, RC 1.4.2 works fine with same dataset and workflow
RS - Texturing - Feb 13, 2025Tested on the provided project, it looks like the unwrap was provided, but then the process stuck. I also checked the Task manager and there wasn't almost any activity for RealityCapture.[Image Remo ...
5.6 Skeletal Meshes with Disabled Sections Flicker in Ray Tracing Scene
UE - Rendering - Features - Ray Tracing - Nov 7, 2025Skeletal meshes with disabled mesh sections will flicker in the Hardware Ray Tracing Scene. Also tested on //UE/Release-5.6, CL:45232827 ...
3D Widget Doesn't Render Custom Depth Stencil
UE - Editor - UI Systems - Apr 21, 2017Custom Stencils don't appear to work with 3d widgets. ...
Landscape material doesn't show correctly on ES3.1 if Landscape layer blend was implemented by using in Material function
UE - LD & Modeling - Terrain - Landscape - Jan 30, 2019Open the project attached to see the issue ...
Show collision command turns on lights that have 'Visibility' set to false
UE - Graphics Features - Dec 2, 2019Running the console command "Show Collision" when lights are placed in the scene with "Visibility" off results in the lights turning back on. Tested in: 4.22.3 CL#7053642 , 4.24.P4 CL#10387632, 4 ...