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	145273	March 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15490	November 17, 2021
Niagara - Rendered Sprite looks fine in Preview window but jitters in Baker and In-Game unreal-engine	1	16	April 10, 2026
Substrate Automotive - Coated materials produce NaN/bad pixel unreal-engine , Render , Substrate	0	3	April 10, 2026
Imposter trees not rendering properly question , unreal-engine	0	4	April 9, 2026
Shadows artifacts on large Nanite static meshes. question , unreal-engine	1	11	April 9, 2026
Materials with World Position Offset not rendering properly UE 5.7.4 question , unreal-engine	1	17	April 9, 2026
Lumen in interior unreal-engine	4	43	April 9, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	9	399	April 9, 2026
How do you create a POM with silhouette clipping using flat quads? question , UE4 , occlusion , unreal-engine , parallax	4	1703	April 9, 2026
DLSS UE4.27.2 PACKAGE PROBLEM! question , bug-report , nvidia , unreal-engine , Packaging-Error	2	30	April 9, 2026
Failed lighting build on mac in 5.7 question , unreal-engine	5	21	April 9, 2026
Bad raytraced shadows with voxelised Nanite Foliage in 5.7 question , Foliage , unreal-engine , shadows-problem , Raytracing	9	308	April 9, 2026
First Person Rendering - Mesh Warping Issue question , Rendering , unreal-engine	2	96	April 9, 2026
Remove HDRI Background Image while reatin lighting? question , unreal-engine , twinmotion	2	30	April 9, 2026
Flickering/Wobbly Shadows Issue due to Day/Night Cycle question , unreal-engine	13	594	April 8, 2026
FPS Drops Over Time After Enabling TextureShare Plugin in UE 5.7.2 unreal-engine	4	42	April 8, 2026
Frame drops while rotating camera even with empty level question , unreal-engine	3	25	April 8, 2026
Knowledge Base: Why does my editor keep saying “LIGHTING NEEDS TO BE REBUILT”? unreal-engine	3	1541	April 8, 2026
SSGI is flickering in foliage question , unreal-engine	0	13	April 8, 2026
Who can help me,My fisheye camera has cubemap seams! question , unreal-engine	1	9	April 8, 2026
Ray traced shadows are wrong on skeletal mesh question , unreal-engine	1	14	April 8, 2026
I see the outline shadow in the scene cube capture. Why is that? question , unreal-engine	9	33	April 8, 2026
Niagara Ribbon Renderer - close the loop? question , unreal-engine	0	14	April 7, 2026
Can you disable actors? Blueprint , question , editor , display , unreal-engine	18	68841	April 7, 2026
UE5.7 Windows 2D project now building on Steam Deck is behaving differently on some sprites on Z-axis question , unreal-engine	1	16	April 7, 2026
no Global Illumination(eg. ambient occlusion, lumen) while rendering a 32k image question , Rendering , unreal-engine	7	128	April 7, 2026
Shadow on translucent material disappear at distance question , Materials , Lighting , Shadows , translucent , unreal-engine	12	5738	April 6, 2026
How to Get rid of the "Unreal Look"? question , unreal-engine	15	262	April 6, 2026
MRG Lumen spatial sample count issue question , unreal-engine	0	14	April 6, 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…