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…	2345	143896	March 13, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15434	November 17, 2021
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	773	41773	March 14, 2026
Reflection flickering question , unreal-engine	2	10	March 14, 2026
Looking for improvements for Scene Capture 2D lighting/shadows Lumen , question , Shadows , unreal-engine , scenecapture2d	0	3	March 14, 2026
Hair glowing under point lights question , Materials , Lighting , point-light , unreal-engine , Hair	11	2308	March 13, 2026
Character mesh disappears at certain camera angles unreal-engine	28	39721	March 13, 2026
Material with Unlit Shading Model doesn't look as expected question , unreal-engine	6	1136	March 13, 2026
No GI Bounces on baked lighting UE4-27 , question , Lighting , Rendering , unreal-engine , lighting-problem	17	1805	March 13, 2026
Bug in VR Since 5.6 (and 5.7 preview) with Instanced Stereo + Baked Reflection Capture + Deferred Rendering + Post Process Volume unreal-engine	9	574	March 13, 2026
Exponential Height Fog and Metahumans: how to solve hair and eyes artifacts? UE4-27 , question , Lighting , unreal-engine , Exponential-Height-Fog	12	3915	March 13, 2026
Submit depth texture from camera to OpenXR runtime question , unreal-engine	5	115	March 13, 2026
world position offset material not working with pathtracing on Niagara static meshes unreal-engine	0	12	March 13, 2026
Ray Tracing Geometry - Always Over Budget question , unreal-engine	4	53	March 13, 2026
Flour poured in a bowl Niagara question , unreal-engine	2	30	March 13, 2026
Detect Indirect Specular in Material When Not Using Path Tracing question , unreal-engine	3	21	March 13, 2026
Splotchy shadows cast by single hairs when only using SkyLight as light source Lumen , Shadows , unreal-engine , shadows-problem	1	16	March 12, 2026
Toon/Cel Shader Issue on Volume Shader (VDB, Volumetric Fog) question , unreal-engine	1	17	March 12, 2026
Render metahuman character is noise question , unreal-engine , metahuman	0	9	March 12, 2026
The character's hair appears overly bright when using path tracing. question , Rendering , unreal-engine	1	146	March 12, 2026
Epic's GPUlightmass unreal-engine	865	71568	March 12, 2026
strange line on render Rendering , unreal-engine	3	40	March 12, 2026
Fake shadows Archicad-Twinmotion twinmotion	2	8	March 12, 2026
Shadow issue. Lumen/VSM question , unreal-engine	1	19	March 12, 2026
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	43	2932	March 11, 2026
Green lightmap density still blocky shadows question , unreal-engine	5	40	March 11, 2026
Skylight Broken question , unreal-engine	4	36	March 11, 2026
Megalights issue: glitter/sparkle effect in 5.7.3 on unlit materials and collision edges. Any solution? question , bug-report , unreal-engine	10	97	March 11, 2026
TSR Ghosting after color grading question , unreal-engine , Epic-Pro-Support	6	153	March 11, 2026
Scene Capture/Render Target view Causes Niagara Flickering Issue question , Rendering , unreal-engine	5	1215	March 11, 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…