Rendering

Topic	Replies	Views	Activity
Lumen GI and Reflections feedback thread Lumen , unreal-engine , Staff-Pick-UE Hi everyone, I’m starting this thread for feedback and discussion about Lumen GI and Reflections in UE5. We’re under a lot of pressure with internal deadlines so can’t promise responses, but we will read everything here…	2304	125573	November 22, 2025
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	14979	November 17, 2021
NVIDIA Driver 580+ makes the DoF low quality Post-Processing , Rendering , Depth-Of-Field , bug , unreal-engine , DOF , artifacts	3	228	November 26, 2025
Why does my lighting work in editor, but not in game? question , unreal-engine	0	8	November 25, 2025
Merged objects aren't self shadowing correctly question , Rendering , unreal-engine	1	9	November 25, 2025
UE 5.7 Pathtracer Fatal error in large scenes question , unreal-engine , dx12 , Path-Tracer	0	11	November 25, 2025
Pixelated DOF issue on out of focus objects close to the camera when rendering through Movie Render Queue. (UE 5.6) question , Rendering , Depth-Of-Field , unreal-engine , DOF	32	948	November 25, 2025
Crash in Metal GPU profiler question , unreal-engine , Epic-Pro-Support	3	33	November 25, 2025
Severe ghosting in VR when using Lumen — baked lighting looks perfect, but Lumen causes heavy ghosting Lumen , question , Rendering , unreal-engine	6	122	November 25, 2025
[feature request] Volumetric Lightmap Density Volume increase density in volume question , unreal-engine	0	18	November 24, 2025
Regression with RecomputeTangents on SkeletalMeshes in 5.6 question , unreal-engine , Epic-Pro-Support	3	60	November 24, 2025
T.array resize error question , Lighting , Lightmass , building-lighting , unreal-engine	1	7	November 24, 2025
[Feature Request Update] UE-26214: Exclude Mesh from Motion Blur question , unreal-engine	1	20	November 24, 2025
Is it impossible to achieve the floodlight effect shown in the picture when developing Quest3 MR using UE? question , Rendering , unreal-engine	1	19	November 24, 2025
Selective color based on lighting question , unreal-engine	2	23	November 24, 2025
Shader Node "If Then Else": How does it work? question , unreal-engine	9	87	November 24, 2025
Black halos question , unreal-engine	6	43	November 24, 2025
videos are blurred question , twinmotion	0	4	November 24, 2025
5.7 Landscape paint layer blend issue question , unreal-engine	5	75	November 24, 2025
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	693	33818	November 24, 2025
Groom renders in front of transparent materials unreal-engine	2	457	November 24, 2025
Epic's GPUlightmass unreal-engine	787	62878	November 24, 2025
How to get certain lighting information into your shader? Blueprint , Lighting , unreal-engine , shading	3	34	November 24, 2025
how to fix inconsistency lights and colors between pathtracer viewport and render question , Post-Processing , Lighting , Rendering , unreal-engine , Post-Process , color , Path-Tracer	0	10	November 23, 2025
PostProcess Dynamically Scale Texture to fit screen question , Materials , Post-Processing , unreal-engine , scale	2	2612	November 23, 2025
Lighting changes as the camera moves question , unreal-engine	0	13	November 23, 2025
Nanite Geometry Collections don't cast shadow in Hardware Ray Tracing Nanite , unreal-engine , Ray-Tracing	4	318	November 23, 2025
Material Lerps Disappear with Fog question , Rendering , unreal-engine	14	78	November 23, 2025
UE4 4.27.2 Build LIghting Crash UE4-26 , question , UE4 , Lighting , unreal-engine , lighting-problem	10	1601	November 23, 2025
MegaLights feedback thread Lighting , Rendering , unreal-engine , MegaLights	322	14705	November 22, 2025

Lumen GI and Reflections feedback thread

Lumen , unreal-engine , Staff-Pick-UE

Hi everyone, I’m starting this thread for feedback and discussion about Lumen GI and Reflections in UE5. We’re under a lot of pressure with internal deadlines so can’t promise responses, but we will read everything here…