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	148501	May 22, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15584	November 17, 2021
How to create a custom G-Buffer ? question , CPP , Rendering , unreal-engine , render-target	8	7021	May 27, 2026
Rendering Crash in 5.7 - PreshadowCacheLayout.RemoveElement question , crash , unreal-engine	0	20	May 27, 2026
Foliage Grass flickering in the shadow UE5 Lumen Lumen , question , Rendering , unreal-engine , UE5-0	14	8484	May 27, 2026
fab资产里的材质会导致影子消失 question , unreal-engine , shadows-problem	0	21	May 27, 2026
Unreal LUX/Exposure Equivalents question , unreal-engine	0	25	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	24	May 27, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	798	44195	May 27, 2026
Foliage on landscape is randomly dark question , please-help-me , unreal-engine	1	28	May 26, 2026
substrate materials wont let me bake gi question , unreal-engine	11	191	May 26, 2026
Twin 2026.1 HF crashed - TwinmotionCoockedEditor_Win64_Shipping question , twinmotion	0	19	May 26, 2026
NodeAndClusterCull GPU crash due to TDR in packaged game question , unreal-engine , Epic-Pro-Support	7	251	May 26, 2026
Lumen Billboard Grass Bad Shadows in UE5 question , Shadows , unreal-engine , UE5-0	13	5898	May 26, 2026
Distance Field Ambient Occlusion DFAO: Visible only on short distance from camera question , unreal-engine	1	21	May 26, 2026
Solution to blurry or flickering heterogeneous volumes when rendering using MRQ unreal-engine	0	14	May 26, 2026
Epic's GPUlightmass unreal-engine	916	75233	May 26, 2026
How to preview Niagara Data Channel (NDC) particle systems? question , unreal-engine	0	15	May 26, 2026
Distance Field Ambient Occlusion disappears with camera distance unreal-engine	10	4483	May 26, 2026
Depth of field quality question , unreal-engine	16	2919	May 25, 2026
How do you blur the edges of a voronoi noise texture? Blueprint , question , Rendering , unreal-engine	10	335	May 24, 2026
Dynamic Wind System Questions question , unreal-engine , Epic-Pro-Support	2	311	May 24, 2026
1D post process blur causes visual bugs when mixed with other material question , Post-Processing , unreal-engine , Post-Process	1	36	May 24, 2026
How to prevent drawing over existing pixels on a Canvas Render Target? Blueprint , question , unreal-engine	2	59	May 24, 2026
How to recreate color blurring/"dreamy" effect seen in AC2 question , Post-Processing , unreal-engine , Post-Process	1	63	May 24, 2026
How to lock one axis in the ScreenAlignedUVs node? question , unreal-engine	0	33	May 23, 2026
How to fix TSR Ghosting / Wave Artifacts on Flashlight with Volumetric Fog? question , unreal-engine	1	48	May 23, 2026
Emissive material is not casting shadows / Toon shader not working in viewport question , unreal-engine	1	34	May 23, 2026
Title: Interior objects invisible in Play mode and Render — Pixel Streaming project with Packed Level Actors question , unreal-engine	0	16	May 22, 2026
[SM6] Shader error when using Texture Cube Array in UE 5.5 question , bug-report , unreal-engine	5	347	May 22, 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…