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	145122	March 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15485	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	3	62	April 3, 2026
BP character’s body disappears in render Blueprint , question , unreal-engine	10	231	April 3, 2026
Light specular reflections visible through walls question , Reflections , Lighting , Rendering , specular , unreal-engine	9	136	April 3, 2026
Custom C++ render pass - world positions must be in Translated World Space before clip transform CPP , Shaders , Rendering , unreal-engine	0	6	April 3, 2026
Overlay materials don't work in 5.41? question , unreal-engine	14	2055	April 3, 2026
How do I import a Japanese font for use as a text render component in Blueprint? question , unreal-engine , font , fonts	10	7156	April 3, 2026
UE 5.7 – Directional Light Intensity Takes Time to Darken Scene question , unreal-engine	3	14	April 3, 2026
Android - shadow quality affecting dynamic light brightness unreal-engine	2	21	April 3, 2026
Rect Lights - barns not working on static lights - ies profile not working UE4-27 , question , Lighting , building-lighting , unreal-engine , lighting-problem	4	709	April 2, 2026
UE5.7 Windows 2D project now building on Steam Deck is behaving differently on some sprites on Z-axis question , unreal-engine	0	6	April 2, 2026
Unreal 5.7 still crashes on render question , unreal-engine	3	22	April 2, 2026
Black Streaks after switching to Forward Rendering. unreal-engine	3	34	April 2, 2026
Trying to bring RTXGI to 5.7 unreal-engine	23	2426	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	13	April 2, 2026
"Use Custom Depth as Mask" feature of High Resolution Screenshot is not working and producing blank screenshots question , unreal-engine	1	36	April 1, 2026
Ghosting and Smearing in Renders all of a sudden. Please help. question , unreal-engine	0	12	April 1, 2026
How can I handle this Depth Of field foreground issue? question , Depth-Of-Field , glitch , unreal-engine , edges , DOF , artifacts	15	2880	April 1, 2026
Distance along spline - but in a material shader? question , unreal-engine	2	36	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	15	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	21	April 1, 2026
SpeedTree trees in UE5.3 looking bad? Rendering issue? question , Lighting , Rendering , unreal-engine	5	884	March 31, 2026
Lumen vs lightmass - why so different? question , Lightmass , unreal-engine	7	67	March 31, 2026
When drawing, the texture disappears question , unreal-engine , landscape-problems	0	10	March 31, 2026
How can I reduce the performance cost for these in the top two? unreal-engine	1	26	March 31, 2026
Post Process Blend Speed? unreal-engine	3	1162	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	23	March 31, 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…