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…	2371	149152	May 22, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15589	November 17, 2021
Strange shadows question , unreal-engine	0	13	May 30, 2026
Epic's GPUlightmass unreal-engine	920	75535	May 30, 2026
What's the Best Practice to Cast Shadows in First Person Camera from 3rd Person Mesh question , UE4 , Shadows , unreal-engine	4	1293	May 30, 2026
Trouble with FPS in project(CPU BottleNeck) question , CPP , unreal-engine	0	25	May 30, 2026
How to hide other transparent materials behind a transparent material? question , unreal-engine	2	37	May 29, 2026
Puddles - will it work? fortnite , unreal-editor-for-fortnite , fortnite-creative	1	20	May 29, 2026
Issue with face shadow texture looking jagged question , unreal-engine	1	18	May 29, 2026
Emissive material is not casting shadows / Toon shader not working in viewport question , unreal-engine	2	52	May 29, 2026
Rendering Crash in 5.7 - PreshadowCacheLayout.RemoveElement question , crash , Shadows , please-help-me , unreal-engine	3	53	May 28, 2026
Cannot package any project in mordhau sdk editor question , unreal-engine	3	62	May 28, 2026
Question about improving readability and reducing blur/shimmer of text-heavy textures rendered on §D planes in Unreal Engine VR question , unreal-engine	0	23	May 28, 2026
Problem with flickering shadows in Unreal Engine 5 when using global illumination not in Lumen mode question , editor , bug-report , Rendering , unreal-engine	40	23557	May 28, 2026
Does anyone know why the foliage always flickering in ue5? question , Lighting , Rendering , unreal-engine	19	3370	May 28, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	800	44637	May 28, 2026
Need Shadow Catcher / Matte Shadow Rendering , unreal-engine	20	3755	May 28, 2026
How to create a custom G-Buffer ? question , CPP , Rendering , unreal-engine , render-target	8	7033	May 27, 2026
Foliage Grass flickering in the shadow UE5 Lumen Lumen , question , Rendering , unreal-engine , UE5-0	14	8491	May 27, 2026
fab资产里的材质会导致影子消失 question , unreal-engine , shadows-problem	0	22	May 27, 2026
Unreal LUX/Exposure Equivalents question , unreal-engine	0	30	May 27, 2026
Severe Visual Artifacts and Ray Tracing Memory Budget Issues after GPU Upgrade (RX 580 to RTX 5060 Ti) in Unreal Engine 5.6 question , unreal-engine	1	32	May 27, 2026
Foliage on landscape is randomly dark question , please-help-me , unreal-engine	1	29	May 26, 2026
substrate materials wont let me bake gi question , unreal-engine	11	197	May 26, 2026
Twin 2026.1 HF crashed - TwinmotionCoockedEditor_Win64_Shipping question , twinmotion	0	32	May 26, 2026
NodeAndClusterCull GPU crash due to TDR in packaged game question , unreal-engine , Epic-Pro-Support	7	252	May 26, 2026
Lumen Billboard Grass Bad Shadows in UE5 question , Shadows , unreal-engine , UE5-0	13	5905	May 26, 2026
Distance Field Ambient Occlusion DFAO: Visible only on short distance from camera question , unreal-engine	1	23	May 26, 2026
Solution to blurry or flickering heterogeneous volumes when rendering using MRQ unreal-engine	0	14	May 26, 2026
How to preview Niagara Data Channel (NDC) particle systems? question , unreal-engine	0	17	May 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…