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	145233	March 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15489	November 17, 2021
Flickering/Wobbly Shadows Issue due to Day/Night Cycle question , unreal-engine	13	590	April 8, 2026
FPS Drops Over Time After Enabling TextureShare Plugin in UE 5.7.2 unreal-engine	4	40	April 8, 2026
Materials with World Position Offset not rendering properly UE 5.7.4 question , unreal-engine	0	8	April 8, 2026
Failed lighting build on mac in 5.7 question , unreal-engine	3	11	April 8, 2026
Frame drops while rotating camera even with empty level question , unreal-engine	3	21	April 8, 2026
Knowledge Base: Why does my editor keep saying “LIGHTING NEEDS TO BE REBUILT”? unreal-engine	3	1540	April 8, 2026
SSGI is flickering in foliage question , unreal-engine	0	9	April 8, 2026
Remove HDRI Background Image while reatin lighting? question , unreal-engine , twinmotion	1	19	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	32	April 8, 2026
Niagara Ribbon Renderer - close the loop? question , unreal-engine	0	12	April 7, 2026
Can you disable actors? Blueprint , question , editor , display , unreal-engine	18	68836	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	127	April 7, 2026
Niagara - Rendered Sprite looks fine in Preview window but jitters in Baker and In-Game unreal-engine	0	14	April 7, 2026
Shadow on translucent material disappear at distance question , Materials , Lighting , Shadows , translucent , unreal-engine	12	5737	April 6, 2026
How to Get rid of the "Unreal Look"? question , unreal-engine	15	259	April 6, 2026
MRG Lumen spatial sample count issue question , unreal-engine	0	13	April 6, 2026
Run multiple instances on multiple displays question , unreal-engine , Epic-Pro-Support	5	9	April 6, 2026
Lumen in interior unreal-engine	1	25	April 6, 2026
Color Level Based Moon Phase unreal-engine	5	1839	April 6, 2026
Epic's GPUlightmass unreal-engine	878	72711	April 5, 2026
Why TSR 5.1 worked and in 5.5 it is terrible unreal-engine	4	791	April 5, 2026
Black Streaks after switching to Forward Rendering. unreal-engine	4	50	April 5, 2026
Virtual Textures rendering as solid colors question , unreal-engine	7	355	April 5, 2026
3D Stereoscopic Rendering question , twinmotion	1	179	April 5, 2026
Stereoscopic nDisplay Rendering with MovieRenderQueue question , unreal-engine	1	33	April 5, 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…