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…	2356	145606	March 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15503	November 17, 2021
Unable to get the raytraceacceleration structure in a compute shader question , unreal-engine	6	19	April 16, 2026
Exponential Height Fog and Metahumans: how to solve hair and eyes artifacts? UE4-27 , question , Lighting , unreal-engine , Exponential-Height-Fog	13	3971	April 15, 2026
Alpha Issue When Rendering Glass Material with Path Tracer on Stencil Layer question , unreal-engine	0	6	April 15, 2026
How to combine World Aligned Texture with Parallax Occulsion Offset? question , unreal-engine	1	10	April 15, 2026
Placing material on Static Mesh just goes red question , unreal-engine	0	7	April 15, 2026
my painting materials turn red in viewport, but look fine in the material editor question , Materials , unreal-engine	8	1262	April 15, 2026
Non-nanite Marking Job Queue Overflow warning Nanite , question , unreal-engine , shadow	18	15535	April 15, 2026
in a UI Material, Node Preview does not display anything in the Preview Window unreal-engine	0	5	April 15, 2026
Materials with World Position Offset not rendering properly UE 5.7.4 question , bug-report , unreal-engine	15	80	April 15, 2026
How to make surface dirty and grunge properly unreal-engine	2	12	April 15, 2026
Nanite + r.RayTracing.Nanite.Mode 1 causes flipped normals in Path Tracing mode (UE 5.7.4) question , unreal-engine	2	35	April 15, 2026
Color of the texture looks looks more red when lit. question , unreal-engine	0	14	April 15, 2026
Metahuman hair reflecting strangely with lumen question , Lighting , Rendering , unreal-engine , UE5-0	33	10927	April 15, 2026
Niagara Ribbon Renderer - close the loop? question , unreal-engine	1	26	April 14, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	10	442	April 14, 2026
how are we supposed to hide small nanite meshes inside houses? Nanite , unreal-engine , distance , hide	2	34	April 14, 2026
How can I have more than 341 Reflection Captures? Maximum is Global Instead of based on Loaded Sublevels? question , UE4 , bug-report , Reflections , Rendering , unreal-engine , Reflection-Capture	3	1477	April 14, 2026
Precomputed Visibility simply not working question , unreal-engine , Epic-Pro-Support	8	81	April 14, 2026
Water VFX rendering problem｜Problème rendu VFX eau. twinmotion	2	30	April 14, 2026
Pixel Streaming 2 Apple Vision Pro Render Issue question , unreal-engine	2	33	April 14, 2026
FPS Drops Over Time After Enabling TextureShare Plugin in UE 5.7.2 unreal-engine	6	67	April 13, 2026
Accurate Colors in replaced tonemapper: Linear Hex vs sRGB hex question , unreal-engine	1	570	April 13, 2026
Video memory has been exhausted unreal-engine , UE5-0	117	178877	April 13, 2026
Having issues using Quixel Megaplants/Nanite Foliage with Pathtracer? Nanite , Foliage , skeletalmesh , unreal-engine	3	77	April 13, 2026
TV Scan Lines shader unreal-engine	2	3134	April 13, 2026
Who can help me,My fisheye camera has cubemap seams! question , unreal-engine	2	26	April 13, 2026
Request for Guidance on Multi-GPU Support and Hardware Recommendations for Cinematic Rendering in Unreal Engine 5.6 question , unreal-engine , Epic-Pro-Support	7	270	April 12, 2026
using shadow in material unreal-engine	8	10572	April 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…