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…	2379	158494	June 24, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15910	November 17, 2021
Appearing Colorful noises on particular parts in Electric Dreams Sample project unreal-engine	0	3	July 25, 2026
PalWorld Hazy Sky Atmosphere Question UE 4.27.x question , unreal-engine	1	7	July 25, 2026
SSGI is flickering in foliage question , unreal-engine	1	46	July 24, 2026
BDRF.USF models like cheaper Blinn-Phong with stable textures. What is the functionality of the rest? question , CPP , Lighting , Rendering , unreal-engine	4	485	July 24, 2026
Volumetric Fog visible rectangle artifact on Play (Temporal accumulation artifact) question , unreal-engine	1	13	July 24, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	20	1560	July 24, 2026
Twisted tunnel material Post-Processing , Rendering , unreal-engine , UE5-0	25	2730	July 23, 2026
Purple streaks in renders, not in editor (UE 5.8) - Subsurface profile issue? question , unreal-engine	0	19	July 23, 2026
VR mobile resolution unreal-engine , quality , resolution	1	61	July 23, 2026
Epic's GPUlightmass unreal-engine	945	82420	July 23, 2026
Ambient occlusion is not displayed in the viewport question , unreal-engine	4	349	July 22, 2026
Does anyone know why the foliage always flickering in ue5? question , Lighting , Rendering , unreal-engine	21	3637	July 22, 2026
HDRI backdrop reflect lower black hemisphere in UE5.5 question , Rendering , unreal-engine	4	616	July 22, 2026
UE 5.8 Render on Mac stuck at 100% question , unreal-engine	0	25	July 22, 2026
UE5.7 Movie Render Queue Rendering Error question , unreal-engine , Epic-Pro-Support	4	227	July 22, 2026
Movie Render Graph Antialiasing issue question , Rendering , unreal-engine	11	104	July 22, 2026
Consistent GPU crash after upgrading to 5.8 unreal-engine	4	104	July 21, 2026
5.8 Preview - Toon BSDF - Shadows cast on surface are blurry question , unreal-engine , Epic-Pro-Support	9	48	July 21, 2026
How do you delete a second UV channel on an older model? unreal-engine	2	37	July 21, 2026
What is the best way to get "flat" lighting over the entire scene? UE4-24 , question , unreal-engine	7	2783	July 21, 2026
Luoshuang's GPULightmass unreal-engine	2504	870064	July 21, 2026
White outlines on vegetation assets question , Rendering , unreal-engine	4	189	July 20, 2026
UE 5.8: VirtualHeightfieldMesh terrain LOD popping — cause and fix unreal-engine	0	33	July 20, 2026
Seams when clothing is added to Metahuman Creator unreal-engine	0	30	July 20, 2026
Anisotropy dosen't work in unreal 5.5 ! question , bug-report , Rendering , unreal-engine	11	1094	July 20, 2026
UE5.4 MacOS Building Lighting consistantly failing - connection timeout? MAC , building-lighting , unreal-engine , internet	9	330	July 19, 2026
Constant "Resizing Virtual Texture Pools" message after upgrading project to 5.4 unreal-engine	35	23780	July 19, 2026
Is there any way to use Constrain Aspect Ratio and Aspect Ratio Axis Constraint at the same time? Blueprint , question , viewport , unreal-engine	1	57	July 19, 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…