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	144014	March 13, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15436	November 17, 2021
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	774	41823	March 16, 2026
Virtual Shadow Maps Debug Visualization Broken in 5.7 ? question , unreal-engine	0	3	March 16, 2026
Is it possible to enable VSM cache and disable WPO in Scalability? question , unreal-engine	0	5	March 16, 2026
Is it Possible to turn off the y axis of screen based reflections with keeping y axis movement for player camera question , unreal-engine	1	12	March 15, 2026
Submit depth texture from camera to OpenXR runtime question , unreal-engine	8	129	March 15, 2026
Green lightmap density still blocky shadows question , unreal-engine	6	47	March 15, 2026
Can't open a project that was made with Path Tracing twinmotion	0	4	March 15, 2026
DLSS UE4.27.2 PACKAGE PROBLEM! question , bug-report , nvidia , unreal-engine , Packaging-Error	0	6	March 15, 2026
Stationary light source does not create static shadows (likely a bug) question , bug-report , Lighting , Lightmass , unreal-engine , shadow , Lightmap	7	38	March 15, 2026
View UVs for Skeletal Mesh question , editor , skeletalmesh , uvs , unreal-engine	9	19401	March 15, 2026
Megaplants trees reflection low poly question , unreal-engine	0	17	March 15, 2026
Half Tone effect on bloom question , unreal-engine	1	9	March 15, 2026
Wierd stripes everywhere in 5.7 question , unreal-engine	0	10	March 14, 2026
Epic's GPUlightmass unreal-engine	866	71720	March 14, 2026
Unreal Engine 5.6 – Nanite Trees Painted with Foliage Tool Don't Cast Shadows When WPO Is Enabled question , unreal-engine , Foliage-Tool	43	3429	March 14, 2026
Reflection flickering question , unreal-engine	2	17	March 14, 2026
Looking for improvements for Scene Capture 2D lighting/shadows Lumen , question , Shadows , unreal-engine , scenecapture2d	1	6	March 14, 2026
Hair glowing under point lights question , Materials , Lighting , point-light , unreal-engine , Hair	11	2312	March 13, 2026
Character mesh disappears at certain camera angles unreal-engine	28	39732	March 13, 2026
Material with Unlit Shading Model doesn't look as expected question , unreal-engine	6	1139	March 13, 2026
No GI Bounces on baked lighting UE4-27 , question , Lighting , Rendering , unreal-engine , lighting-problem	17	1809	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	580	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	3919	March 13, 2026
world position offset material not working with pathtracing on Niagara static meshes unreal-engine	0	13	March 13, 2026
Ray Tracing Geometry - Always Over Budget question , unreal-engine	4	61	March 13, 2026
Flour poured in a bowl Niagara question , unreal-engine	2	31	March 13, 2026
Detect Indirect Specular in Material When Not Using Path Tracing question , unreal-engine	3	22	March 13, 2026
Splotchy shadows cast by single hairs when only using SkyLight as light source Lumen , Shadows , unreal-engine , shadows-problem	1	17	March 12, 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…