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…	2381	155961	June 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15772	November 17, 2021
How can I speed up package for quick overview unreal-engine	4	4509	July 4, 2026
Upgrade Issue question , unreal-engine	1	82	July 4, 2026
how to adjust defocused background seen through the glass objects in unreal 5.8? question , unreal-engine	0	12	July 3, 2026
Source Build Toon Engine(UntoonEngine) 卡通渲染引擎 editor , CPP , unreal-engine	0	11	July 3, 2026
Error distance field generated when using two-sided material question , unreal-engine , Epic-Pro-Support	8	177	July 3, 2026
Removing a color from a material / texture or making it Transparent unreal-engine	31	32571	July 2, 2026
NodeAndClusterCull GPU crash due to TDR in packaged game question , unreal-engine , Epic-Pro-Support	9	347	July 1, 2026
Weird blue artifact on foliage question , unreal-engine	2	59	June 30, 2026
GTX 1660 super twinmotion path trace question , twinmotion	0	25	June 30, 2026
Moving Objects Leave Behind A Trail In Shadows question , unreal-engine , lighting-problem	1	70	June 30, 2026
How I can choose the needed color from texture? unreal-engine	12	4359	June 29, 2026
Artifacts on my mesh in unreal question , unreal-engine	1	76	June 29, 2026
Unable to import VDB volume correctly in Unreal Engine 5.6.1 InsideUnreal , question , unreal-engine	0	29	June 29, 2026
Lower resolution to improve framerate ? unreal-engine	13	2319	June 29, 2026
Epic's GPUlightmass unreal-engine	929	79722	June 29, 2026
Another way to disable tonemapping unreal-engine	23	13064	June 28, 2026
2D image Color problem question , Materials , Lighting , 2D , unreal-engine	17	2736	June 28, 2026
How do I set the window size and position in a multi-monitor setup? question , unreal-engine , multiple-monitors	4	2115	June 28, 2026
SceneTextureLookup hlsl function no longer works in substrate question , unreal-engine , Substrate	3	2149	June 28, 2026
How can I resolve a conflict between two post-process materials outline? question , Post-Processing , unreal-engine , outline	2	99	June 27, 2026
How to render Alpha Transparency in Path Tracer question , Rendering , unreal-engine , transparency , alpha , Path-Tracer	5	1112	June 26, 2026
The ribbon particles no longer cast shadows. Rendering , unreal-engine	5	381	June 26, 2026
Nanite + r.RayTracing.Nanite.Mode 1 causes flipped normals in Path Tracing mode (UE 5.7.4) question , unreal-engine	3	186	June 26, 2026
Crash when hitting play after re-loading World Partition level with Static Lighting crash , unreal-engine	2	173	June 25, 2026
How to fix lighting banding artifacts? question , unreal-engine	0	65	June 25, 2026
Does nDisplay work with World Partition? unreal-engine , ndisplay , World-Partition	0	41	June 25, 2026
Movie Render Graph Alpha problems question , editor , Rendering , unreal-engine , Render	0	54	June 25, 2026
How can I simulate/implement interlacing? question , Shaders , unreal-engine	2	381	June 25, 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…