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…	2369	147822	May 16, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15564	November 17, 2021
How to fix post process material (after tonemapping) gamma issue with renders? question , unreal-engine	5	85	May 18, 2026
black areas. also lumen visualization black question , unreal-engine	2	19	May 18, 2026
Post-Process outline Artifacting in right eye only question , editor , Post-Processing , unreal-engine	1	91	May 18, 2026
[Feature Request] More Projector Light Settings twinmotion	1	62	May 18, 2026
Square/weird shadows question , unreal-engine	5	81	May 18, 2026
GPU Stalling and Unusually High Draw Times question , unreal-engine	0	9	May 18, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	793	43707	May 18, 2026
Recommended Lightmass Version question , unreal-engine , Epic-Pro-Support	5	67	May 18, 2026
Unreal Engine shading problem question , unreal-engine , shader	0	19	May 17, 2026
How to fix this weird hardline when ramp hits 1.0? question , unreal-engine	0	16	May 17, 2026
Physical Material Masks? unreal-engine	24	13602	May 17, 2026
[UE5.7] How to fix detail lighting artifacts (ringing and dark areas)? question , unreal-engine	2	34	May 17, 2026
Ultra Volumentric now working in CineCamera but working in standard CameraActor unreal-engine	0	13	May 16, 2026
MegaLights feedback thread Lighting , Rendering , unreal-engine , MegaLights	337	19688	May 15, 2026
Post Process Absolute World Position is weird question , Rendering , unreal-engine	10	1522	May 15, 2026
Twinmotion wrong texture mapping question , twinmotion	0	16	May 15, 2026
How can I bake lighting for only a small specific area in UE5? question , Lightmass , unreal-engine , Lightmap , baked-lighting , baking	3	63	May 15, 2026
World Accurate Height maps unreal-engine	5	3046	May 15, 2026
Render target / scene capture 2d bug unreal-engine , render-target , Scene-Capture	0	13	May 15, 2026
[UE 5.7] Substrate: Path Tracer exhibits severe colored banding when varying Transmittance Color/Thickness in a Single Volume Slab unreal-engine	0	15	May 15, 2026
UE 5.7 Landscape Blending Issue with Substrate Materials question , unreal-engine , Substrate	0	21	May 15, 2026
How do I specify ray tracing proxy mesh for nanite asset? question , unreal-engine	1	31	May 15, 2026
How to Import an HDRI Image as HDRI Texture and not HDRI Cubemap? UE4-20 , question , UE4 , unreal-engine , Cubemaps	25	6492	May 14, 2026
NOT Solved. Pixelated DOF issue on out of focus objects close to the camera when rendering through Movie Render Queue. (UE 5.6) unreal-engine	11	568	May 14, 2026
Low quality of gaussian splats with XVerse question , Rendering , unreal-engine , quality , Render , resolution , 3D-Gaussian-Splatting	0	11	May 14, 2026
Exposure compensation curve crash in standalone. question , crash , curve , unreal-engine , Auto-Exposure	5	45	May 13, 2026
Celestial Vault missing North Offset alignment parity with SunSky, causing a permanent 90-degree world orientation discrepancy. question , unreal-engine	0	22	May 13, 2026
Using Render Graph in non-editor builds question , unreal-engine , Epic-Pro-Support	8	83	May 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…