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…	2380	172687	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	16445	November 17, 2021
[Gpu hung] RenderVirtualShadowMaps(Nanite) - NodeAndClusterCull question , unreal-engine , Epic-Pro-Support	10	330	November 5, 2026
MSAA doesn't seem to work properly with local fog volumes - 5.8.4 question , unreal-engine	1	43	November 4, 2026
Extrapolate clamped texture with fixed color question , unreal-engine , clamp	4	1918	November 4, 2026
UE 5.8 is Hierachical Instance meshes not supported for Lumen? question , unreal-engine	6	199	November 3, 2026
Water ripples not centered around the character. question , unreal-engine	2	41	November 3, 2026
Smoke Particle effect changing opacity based on camera position. question , unreal-engine	1	42	November 3, 2026
Horizontal stripes shader not tiling over geometry as expected question , unreal-engine	2	47	November 3, 2026
Virtual Shadow Maps for high quality rendering / cinematics unreal-engine	10	3055	November 3, 2026
Export baked lighting question , unreal-engine	0	23	November 2, 2026
Unreal 5.7 MRQ render Motion Vector Pass not working question , unreal-engine	3	32	November 2, 2026
The noise in UE5 is Unreal! translucent , unreal-engine , noise , translucency	2	89	November 2, 2026
Directional light passing through everything question , editor , unreal-engine	1	40	November 1, 2026
Persistent Flickering and Fine Visual Noise in UE 5.7/5.8 – RTX 5060 Ti and RTX 4070 question , unreal-engine	0	57	November 1, 2026
DOF blurs away hair strands (groom) question , Post-Processing , unreal-engine , DOF , UE5-0	10	6264	November 1, 2026
Black Lines question , Rendering , unreal-engine	5	321	October 31, 2026
UE 5.1 Jagged Shadows? question , Rendering , Shadows , unreal-engine	4	1468	October 31, 2026
Epic's GPUlightmass unreal-engine	1045	92334	October 30, 2026
Is there any way to use Constrain Aspect Ratio and Aspect Ratio Axis Constraint at the same time? Blueprint , question , viewport , unreal-engine	2	241	October 30, 2026
Metahuman hair is pitch black in every situation question , unreal-engine	1	84	October 29, 2026
What's actually the default Normal value in the material graph, when there's no node connected to it? unreal-engine	4	3559	October 28, 2026
Smoke Trail question , unreal-engine	0	25	October 28, 2026
Visible splits in lumen reflections(the rendered frame) when using large screenpercentage Lumen , question , Rendering , unreal-engine	6	180	October 27, 2026
Unreal Engine MediaPlayer materials always start off as black question , unreal-engine	1	54	October 27, 2026
Nanite Tessellation pushes displacement in the wrong direction on landscapes with Z scale (UE-367789, still in 5.8) question , unreal-engine	0	58	October 27, 2026
Mystery light sources appear question , twinmotion	0	41	October 26, 2026
Lumen indirect light is exactly zero: here is where it works and where it stops question , unreal-engine	1	111	October 26, 2026
The leaves of the plant model are twinkling question , unreal-engine	1	108	October 26, 2026
Shader Complexity, Unreal Insights shows hitches but I don't see frame drops in unit graph question , unreal-engine	1	65	October 26, 2026

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…