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	145096	March 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15484	November 17, 2021
Major Visual Fidelity Loss (Critical Failure of Volumetric Lighting, Glow Assets, and Global Illumination) compared to Legacy Builds Save the World Blueprint , bug-report , Lighting , Rendering , unreal-engine , fortnite	0	7	April 2, 2026
Rect Lights - barns not working on static lights - ies profile not working UE4-27 , question , Lighting , building-lighting , unreal-engine , lighting-problem	4	705	April 2, 2026
UE5.7 Windows 2D project moved to Linux is behaving differently on some sprites on Z-axis question , unreal-engine	0	4	April 2, 2026
Android - shadow quality affecting dynamic light brightness unreal-engine	1	15	April 2, 2026
UE 5.7 – Directional Light Intensity Takes Time to Darken Scene question , unreal-engine	1	11	April 2, 2026
Unreal 5.7 still crashes on render question , unreal-engine	3	19	April 2, 2026
Black Streaks after switching to Forward Rendering. unreal-engine	3	33	April 2, 2026
Trying to bring RTXGI to 5.7 unreal-engine	23	2407	April 2, 2026
How I can create a Real Time Spectrogram Heatmap question , unreal-engine	1	20	April 2, 2026
Ellipsoid Earth SkyAtmosphere for spaceflight simulation question , unreal-engine , Sky-Atmosphere	0	12	April 2, 2026
"Use Custom Depth as Mask" feature of High Resolution Screenshot is not working and producing blank screenshots question , unreal-engine	1	34	April 1, 2026
Ghosting and Smearing in Renders all of a sudden. Please help. question , unreal-engine	0	11	April 1, 2026
How can I handle this Depth Of field foreground issue? question , Depth-Of-Field , glitch , unreal-engine , edges , DOF , artifacts	15	2877	April 1, 2026
Distance along spline - but in a material shader? question , unreal-engine	2	35	April 1, 2026
How to fix Max-Headroom-style glitches in AVI Render but preview is perfect, 5.1, 5.2? SOLVED! question , unreal-engine	1	12	April 1, 2026
Textures coming out washed out question , Materials , Textures , unreal-engine , pixel	10	3913	April 1, 2026
Crash in FD3D12DescriptorCache::SetDescriptorHeaps question , unreal-engine , Epic-Pro-Support	4	20	April 1, 2026
SpeedTree trees in UE5.3 looking bad? Rendering issue? question , Lighting , Rendering , unreal-engine	5	882	March 31, 2026
Lumen vs lightmass - why so different? question , Lightmass , unreal-engine	7	60	March 31, 2026
When drawing, the texture disappears question , unreal-engine , landscape-problems	0	9	March 31, 2026
How can I reduce the performance cost for these in the top two? unreal-engine	1	24	March 31, 2026
Post Process Blend Speed? unreal-engine	3	1160	March 31, 2026
Why does a Scene Capture Component Cube in a Construction Script Decimate Perf? Blueprint , Performance , question , unreal-engine , scene-capture-cube	1	20	March 31, 2026
Video memory has been exhausted unreal-engine , UE5-0	116	178411	March 30, 2026
Overlay materials don't work in 5.41? question , unreal-engine	13	2051	March 30, 2026
No Metahuman Hair visible in Movie Render Queue !!! question , unreal-engine	0	8	March 30, 2026
No GI Bounces on baked lighting UE4-27 , question , Lighting , Rendering , unreal-engine , lighting-problem	18	1851	March 30, 2026
Export panorama set to cloud fails twinmotion	5	200	March 30, 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…