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	159143	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15928	November 17, 2021
quest3 VR shows not the same as twinmotion viewport , even with ultra settings question , twinmotion	2	50	July 29, 2026
Consistent GPU crash after upgrading to 5.8 unreal-engine	5	147	July 29, 2026
Epic's GPUlightmass unreal-engine	966	82854	July 28, 2026
Movie Render Graph Antialiasing issue question , Rendering , unreal-engine	14	136	July 27, 2026
rending HDRI backdrop with Yaw value tracked in Sequencer question , Rendering , unreal-engine , hdri	0	24	July 27, 2026
Luoshuang's GPULightmass unreal-engine	2506	870854	July 27, 2026
Why does Nanite not work? question , unreal-engine	1	36	July 27, 2026
MetalFX upscaling in UE iOS , MAC-OS-X , iphone , MAC , apple , unreal-engine , Macos	11	2450	July 26, 2026
BDRF.USF models like cheaper Blinn-Phong with stable textures. What is the functionality of the rest? question , CPP , Lighting , Rendering , unreal-engine	5	511	July 26, 2026
Da ieri non mi esporta più nè immagini nè video. Ho la versione 2022.1.2. Ho esportato fino l'altro ieri sia immagini che video senza problemi. Come mai non funziona più? Ho letto che altri utenti... question , twinmotion	3	89	July 25, 2026
Nanite Skeletal Meshes Invalidate VSM question , unreal-engine , Epic-Pro-Support	5	194	July 25, 2026
Luoshuang’s GPULightmass Unreal Engine 5.4.3 and 5.4.4 patch Rendering , unreal-engine	54	9142	July 25, 2026
Appearing Colorful noises on particular parts in Electric Dreams Sample project question , unreal-engine	0	44	July 25, 2026
PalWorld Hazy Sky Atmosphere Question UE 4.27.x question , unreal-engine	1	24	July 25, 2026
SSGI is flickering in foliage question , unreal-engine	1	55	July 24, 2026
Volumetric Fog visible rectangle artifact on Play (Temporal accumulation artifact) question , unreal-engine	1	38	July 24, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	20	1603	July 24, 2026
Twisted tunnel material Post-Processing , Rendering , unreal-engine , UE5-0	25	2739	July 23, 2026
Purple streaks in renders, not in editor (UE 5.8) - Subsurface profile issue? question , unreal-engine	0	40	July 23, 2026
VR mobile resolution unreal-engine , quality , resolution	1	69	July 23, 2026
Ambient occlusion is not displayed in the viewport question , unreal-engine	4	371	July 22, 2026
Does anyone know why the foliage always flickering in ue5? question , Lighting , Rendering , unreal-engine	21	3665	July 22, 2026
HDRI backdrop reflect lower black hemisphere in UE5.5 question , Rendering , unreal-engine	4	639	July 22, 2026
UE 5.8 Render on Mac stuck at 100% question , unreal-engine	0	36	July 22, 2026
UE5.7 Movie Render Queue Rendering Error question , unreal-engine , Epic-Pro-Support	4	236	July 22, 2026
5.8 Preview - Toon BSDF - Shadows cast on surface are blurry question , unreal-engine , Epic-Pro-Support	9	64	July 21, 2026
How do you delete a second UV channel on an older model? unreal-engine	2	49	July 21, 2026
What is the best way to get "flat" lighting over the entire scene? UE4-24 , question , unreal-engine	7	2787	July 21, 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…