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…	2327	139167	January 8, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15288	November 17, 2021
City Sample in UE5.4 flickering artifact Rendering , unreal-engine	2	205	January 18, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	749	39773	January 18, 2026
Accessing View struct from custom .usf shader causes undeclared identifier error question , Shaders , unreal-engine , shader	0	5	January 18, 2026
Crash on Path Traced render The paging file is too small for this operation to complete crash , unreal-engine , Path-Tracing	0	5	January 18, 2026
Does packing AO, Roughness, and Displacement into a single ARD texture reduce perceived surface detail? question , Rendering , unreal-engine	3	16	January 18, 2026
Don’t Follow — Surpass! Please reconsider the strategic importance of Python support in Twinmotion unreal-engine , twinmotion , epic-for-indies	5	125	January 18, 2026
Apply bloom only to specific light actors Bloom , unreal-engine	0	11	January 17, 2026
Ocean body renders in front of clouds question , Rendering , unreal-engine , Clouds , Water , ocean , Volumetric-Clouds	2	26	January 17, 2026
Create a Procedural Level Generator, or use a premade one? Blueprint , question , Rendering , unreal-engine , Procedural-Generation , procedural-geometry	3	1704	January 17, 2026
How to remove that Grass shadow question , Foliage , unreal-engine , Environment	12	1854	January 17, 2026
Textures and Materials Displaying Black in Content Browser and on Meshes (UE 5.5.1) question , unreal-engine	65	9259	January 16, 2026
Trees and grass create shadows that glare, create noise and shimmer. question , unreal-engine	3	30	January 16, 2026
How to runtime change frame generation method? How to recreate the window at runtime? unreal-engine	3	37	January 16, 2026
Material issue with foliage in reflections (UE 5.5 / Quixel) Reflections , unreal-engine	1	100	January 16, 2026
5.7 Landscape paint layer blend issue question , unreal-engine	12	567	January 16, 2026
Cutting a Mesh using blueprint construction script and Filling the inner areas of the mesh question , unreal-engine	1	432	January 16, 2026
OCIO INVALID question , unreal-engine	1	12	January 16, 2026
r.ScreenPercentage 50 does not work for me on XSX question , unreal-engine	1	25	January 16, 2026
Weird graphic glitch on Quest 3 / 3s question , unreal-engine	0	6	January 16, 2026
Issues with Custom Vertex Factory: PrimitiveIdStream, VSM support, and SV_InstanceID conflicts question , CPP , Rendering , unreal-engine	0	10	January 16, 2026
Issues with Custom Vertex Factory: PrimitiveIdStream, VSM support, and SV_InstanceID conflicts question , CPP , Rendering , unreal-engine	0	3	January 16, 2026
Custom Depth Android , question , bug-report , unreal-engine , fortnite , unreal-editor-for-fortnite , fortnite-creative	0	12	January 16, 2026
Draw debug lines with alpha less than 1.0 still appear opaque. question , bug-report , unreal-engine , alpha , draw , line	11	2604	January 15, 2026
Hide Meshes or Actors from UCameraComponents - “Only Owner See” question , unreal-engine	1	121	January 15, 2026
Is it possible to make a reverse perspective effect in UE4? question , Rendering , unreal-engine	2	17	January 15, 2026
5.7.1 Vr Template Bugged? unreal-engine	0	18	January 15, 2026
Lumen bleed or weird light spots when object is near a wall unreal-engine	1	14	January 15, 2026
Volumetric Fog not visible in Lumen Reflections question , Lighting , Rendering , unreal-engine , volumetric-fog	2	100	January 15, 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…