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	143138	March 1, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15407	November 17, 2021
Light specular reflections visible through walls question , Reflections , Lighting , Rendering , specular , unreal-engine	2	30	March 6, 2026
5.7 Lightmass Issues (Crashes and Bugs) question , Lightmass , unreal-engine , lightmass-crash	1	104	March 5, 2026
Render settings RTX 3070 question , unreal-engine	4	29	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	41548	March 5, 2026
Shader Model 6 Required Warning question , unreal-engine	2	553	March 5, 2026
Certain static lights not casting light on actors question , unreal-engine , lighting-problem , static-lights	6	52	March 4, 2026
Error prosessing in twinmotion cloud question , bug-report , cloud , twinmotion	0	3	March 4, 2026
Packed Level Actors or Level Instances with baked lightmaps question , editor , Rendering , unreal-engine	6	1132	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	419	March 4, 2026
strange line on render Rendering , unreal-engine	0	11	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	14	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	162	March 3, 2026
Baked Lights look awfully bad question , Rendering , unreal-engine , lighting-problem	6	113	March 3, 2026
Weird and awful shadows in UE4.27 question , Shadows , unreal-engine , Lightmap	2	32	March 3, 2026
Lightmap discrepancies between DX11 and DX12 unreal-engine , Lightmap	1	26	March 3, 2026
Epic's GPUlightmass unreal-engine	854	71085	March 3, 2026
UE5 Stencil Layers look lighter than in full scene render? question , unreal-engine	1	13	March 3, 2026
Blurry Shadows in PIE, Sharp in editor question , unreal-engine	0	7	March 3, 2026
(UE4.27) Point light briefly turning for a split second when changing intensity question , unreal-engine	0	6	March 3, 2026
Unreal post Process look different in render question , Post-Processing , unreal-engine , shading	3	20	March 3, 2026
Is it possible to have an object ONLY use baked shadows? question , unreal-engine	3	36	March 2, 2026
Having issues using Quixel Megaplants/Nanite Foliage with Pathtracer? Nanite , Foliage , skeletalmesh , unreal-engine	0	13	March 2, 2026
FPS Drops Over Time After Enabling TextureShare Plugin in UE 5.7.2 unreal-engine	1	10	March 2, 2026
Motion Vector issue in renders, Nuke unreal-engine	0	10	March 2, 2026
exr renders question , Rendering , unreal-engine	1	25	March 2, 2026
Rendering trouble with light reflections path tracer and lumen. question , unreal-engine , twinmotion	0	15	March 2, 2026
twinmotion extreme exposure when rendering interiors with lumen unreal-engine	0	6	March 2, 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…