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	156130	June 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15793	November 17, 2021
how to adjust defocused background seen through the glass objects in unreal 5.8? question , unreal-engine	1	21	July 6, 2026
Lumen surface cache atlas oversubscribed in UE 5.8 question , unreal-engine	0	11	July 6, 2026
Vertex painting in combination with World Aligned Texture node? question , Materials , unreal-engine	4	1547	July 6, 2026
substrate materials wont let me bake gi question , unreal-engine	17	370	July 5, 2026
Lumen no longer working in UE5.5 DX11 SM5 Lumen , dx11 , unreal-engine	28	3902	July 5, 2026
Material refraction not working question , Materials , unreal-engine	18	6870	July 5, 2026
UE 5.8 megaplants error, crash unreal-engine	4	149	July 5, 2026
How can I speed up package for quick overview unreal-engine	4	4512	July 4, 2026
Upgrade Issue question , unreal-engine	1	88	July 4, 2026
Source Build Toon Engine(UntoonEngine) 卡通渲染引擎 editor , CPP , unreal-engine	0	14	July 3, 2026
Error distance field generated when using two-sided material question , unreal-engine , Epic-Pro-Support	8	179	July 3, 2026
Removing a color from a material / texture or making it Transparent unreal-engine	31	32574	July 2, 2026
NodeAndClusterCull GPU crash due to TDR in packaged game question , unreal-engine , Epic-Pro-Support	9	352	July 1, 2026
Weird blue artifact on foliage question , unreal-engine	2	64	June 30, 2026
GTX 1660 super twinmotion path trace question , twinmotion	0	28	June 30, 2026
Moving Objects Leave Behind A Trail In Shadows question , unreal-engine , lighting-problem	1	75	June 30, 2026
How I can choose the needed color from texture? unreal-engine	12	4362	June 29, 2026
Artifacts on my mesh in unreal question , unreal-engine	1	79	June 29, 2026
Unable to import VDB volume correctly in Unreal Engine 5.6.1 InsideUnreal , question , unreal-engine	0	32	June 29, 2026
Lower resolution to improve framerate ? unreal-engine	13	2324	June 29, 2026
Epic's GPUlightmass unreal-engine	929	79963	June 29, 2026
Another way to disable tonemapping unreal-engine	23	13073	June 28, 2026
2D image Color problem question , Materials , Lighting , 2D , unreal-engine	17	2739	June 28, 2026
How do I set the window size and position in a multi-monitor setup? question , unreal-engine , multiple-monitors	4	2122	June 28, 2026
SceneTextureLookup hlsl function no longer works in substrate question , unreal-engine , Substrate	3	2156	June 28, 2026
How can I resolve a conflict between two post-process materials outline? question , Post-Processing , unreal-engine , outline	2	103	June 27, 2026
How to render Alpha Transparency in Path Tracer question , Rendering , unreal-engine , transparency , alpha , Path-Tracer	5	1114	June 26, 2026
The ribbon particles no longer cast shadows. Rendering , unreal-engine	5	385	June 26, 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…