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	158946	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15917	November 17, 2021
Epic's GPUlightmass unreal-engine	966	82765	July 28, 2026
Movie Render Graph Antialiasing issue question , Rendering , unreal-engine	14	129	July 27, 2026
rending HDRI backdrop with Yaw value tracked in Sequencer question , Rendering , unreal-engine , hdri	0	15	July 27, 2026
Luoshuang's GPULightmass unreal-engine	2506	870705	July 27, 2026
Why does Nanite not work? question , unreal-engine	1	32	July 27, 2026
MetalFX upscaling in UE iOS , MAC-OS-X , iphone , MAC , apple , unreal-engine , Macos	11	2447	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	508	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	191	July 25, 2026
Luoshuang’s GPULightmass Unreal Engine 5.4.3 and 5.4.4 patch Rendering , unreal-engine	54	9140	July 25, 2026
Appearing Colorful noises on particular parts in Electric Dreams Sample project question , unreal-engine	0	43	July 25, 2026
PalWorld Hazy Sky Atmosphere Question UE 4.27.x question , unreal-engine	1	22	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	27	July 24, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	20	1593	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	31	July 23, 2026
VR mobile resolution unreal-engine , quality , resolution	1	64	July 23, 2026
Ambient occlusion is not displayed in the viewport question , unreal-engine	4	362	July 22, 2026
Does anyone know why the foliage always flickering in ue5? question , Lighting , Rendering , unreal-engine	21	3660	July 22, 2026
HDRI backdrop reflect lower black hemisphere in UE5.5 question , Rendering , unreal-engine	4	630	July 22, 2026
UE 5.8 Render on Mac stuck at 100% question , unreal-engine	0	30	July 22, 2026
UE5.7 Movie Render Queue Rendering Error question , unreal-engine , Epic-Pro-Support	4	234	July 22, 2026
Consistent GPU crash after upgrading to 5.8 unreal-engine	4	125	July 21, 2026
5.8 Preview - Toon BSDF - Shadows cast on surface are blurry question , unreal-engine , Epic-Pro-Support	9	58	July 21, 2026
How do you delete a second UV channel on an older model? unreal-engine	2	47	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
White outlines on vegetation assets question , Rendering , unreal-engine	4	193	July 20, 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…