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…	2344	143311	March 1, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15411	November 17, 2021
Shadow Artifacts question , unreal-engine	4	26	March 7, 2026
Nanite Foliage and 5.6 unreal-engine	1	21	March 7, 2026
Why do I get these strange artifacts switching from Lumen to GPU lightmass Baked GI? question , unreal-engine	1	73	March 7, 2026
PNG with Alpha: How do you get them to work? unreal-engine	12	41535	March 7, 2026
Light specular reflections visible through walls question , Reflections , Lighting , Rendering , specular , unreal-engine	3	50	March 6, 2026
Pixelated textures on Oculus Quest unreal-engine	3	1054	March 6, 2026
Having issues using Quixel Megaplants/Nanite Foliage with Pathtracer? Nanite , Foliage , skeletalmesh , unreal-engine	1	21	March 6, 2026
exr renders question , Rendering , unreal-engine	2	35	March 6, 2026
Rendering Albedo, Roughness, Specular passes unreal-engine	2	35	March 6, 2026
animated 360 camera render unreal-engine	0	6	March 6, 2026
Green lightmap density still blocky shadows question , unreal-engine	1	17	March 6, 2026
Leaks and "dirty" baked shadows question , unreal-engine	0	11	March 6, 2026
Why are my rtxgi light probes black (it does not reflect light) question , unreal-engine	1	173	March 6, 2026
Spotlight dissapears on edge of screen. question , editor , unreal-engine , lighting-problem	1	22	March 6, 2026
strange line on render Rendering , unreal-engine	1	23	March 6, 2026
5.7 Lightmass Issues (Crashes and Bugs) question , Lightmass , unreal-engine , lightmass-crash	1	119	March 5, 2026
Render settings RTX 3070 question , unreal-engine	4	39	March 5, 2026
Power node ignores Y, Z components of float 3 in Exp pin if base is Float 1 UE4-27 , question , Shaders , unreal-engine	2	342	March 5, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	772	41606	March 5, 2026
Shader Model 6 Required Warning question , unreal-engine	2	555	March 5, 2026
Certain static lights not casting light on actors question , unreal-engine , lighting-problem , static-lights	6	55	March 4, 2026
Error prosessing in twinmotion cloud question , bug-report , cloud , twinmotion	0	4	March 4, 2026
Packed Level Actors or Level Instances with baked lightmaps question , editor , Rendering , unreal-engine	6	1136	March 4, 2026
[UE 5.6] Scene Capture 2D exports black PNG despite correct render target preview Blueprint , unreal-engine , render-target , Scene-Capture	4	423	March 4, 2026
MetaHuman face shadow artifact (whitish splotch) with rect light at specific angle - not SSS, specular, or indirect lighting question , Rendering , unreal-engine	0	15	March 4, 2026
No indirect lighting baked CPU Lightmass 5.7.1 and 5.6.1 question , Lighting , unreal-engine , lighting-problem , baked-lighting	4	168	March 3, 2026
Baked Lights look awfully bad question , Rendering , unreal-engine , lighting-problem	6	114	March 3, 2026
Weird and awful shadows in UE4.27 question , Shadows , unreal-engine , Lightmap	2	35	March 3, 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…