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…	2380	165200	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	16220	November 17, 2021
How can UE 5.5.4 reliably attribute controller-driven Niagara GPU smoke activity to specific systems and correlate it with CSV Profiler captures for automated regression testing? question , unreal-engine	0	10	September 29, 2026
Epic's GPUlightmass unreal-engine	1032	87849	September 29, 2026
Incorrect Rendering results with Negative Scale When Using Packaged Level Actor / FastGeo ISMTransformer unreal-engine , hism	0	16	September 29, 2026
Niagara dust particles not visible in Movie Render Queue question , unreal-engine	0	14	September 28, 2026
Emissive not rendering on a transparent background PNG with movie render queue question , Rendering , unreal-engine , logo , Render , alpha , emissive , sequence , png	10	130	September 28, 2026
Megascans trees with nanite and virtual shadow maps glitch Nanite , Shadows , unreal-engine , trees , Raytracing , Megascans	5	891	September 28, 2026
invisible objects/part of objects behind a invisible wall Blueprint , question , Rendering , unreal-engine , transparency	5	1889	September 28, 2026
Having issues using Quixel Megaplants/Nanite Foliage with Pathtracer? Nanite , Foliage , skeletalmesh , unreal-engine	6	328	September 28, 2026
how to: Realistic crystal ball (Curved transparent glass surfaces) question , UE4 , Lighting , unreal-engine	2	1782	September 28, 2026
Jagged Shadows question , unreal-engine	4	108	September 27, 2026
Trying to make a shader that looks like old school RuneScape in UE 5.8.2 question , unreal-engine	1	51	September 26, 2026
Path Tracer question , twinmotion	0	15	September 26, 2026
Static Mesh Actor disappearing in Game View or Camera Views - Solution unreal-engine	1	1191	September 26, 2026
Loading loose files (uasset/uexp/ubulk) question , unreal-engine , Epic-Pro-Support	3	392	September 26, 2026
Path tracing render with ACEScg color profile create noise on the highlights question , Rendering , unreal-engine	2	495	September 26, 2026
How to fix MRQ Output? question , unreal-engine	1	28	September 26, 2026
Depth Fade fog bug question , unreal-engine	0	22	September 24, 2026
Distance Field shader doesn't appear in editor but does when changing values question , unreal-engine	0	20	September 24, 2026
Enabling Nanite on AnimToTexture Crowd Assets causes stretched VAT animations. question , unreal-engine , Epic-Pro-Support	14	802	September 24, 2026
5.5 baked lightmaps error question , unreal-engine	19	1474	September 23, 2026
Title: Persistent Lumen GI Ghosting / Smearing on Moving Objects Despite Velocity and CVar Adjustments Unreal Engine Version: [5.7.4] question , unreal-engine	2	196	September 23, 2026
How to capture scene depth into an image and then sample it? UE4-27 , question , Shaders , Rendering , unreal-engine , Render	8	8271	September 23, 2026
How to set Niagara Volumetric translucent shadow in blueprint? question , unreal-engine	1	74	September 23, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	820	53829	September 22, 2026
Point cloud visualization with particle system question , unreal-engine , Epic-Pro-Support	8	279	September 22, 2026
Geometry-Based Armor Occlusion / Spatial Mapping to a Character Skeletal Mesh question , unreal-engine	5	108	September 22, 2026
Visible splits in lumen reflections(the rendered frame) when using large screenpercentage Lumen , question , Rendering , unreal-engine	5	105	September 22, 2026
[UE 5.7.3] Sharing a workaround for GPU crash caused by Niagara ribbon renderer in Split-screen play crash , split-screen , splitscreen , gpu , unreal-engine , dx12	0	37	September 22, 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…