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…	2327	139817	January 8, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15310	November 17, 2021
unreal 5.6.1 question , editor , unreal-engine	2	17	January 28, 2026
My UE5.7 project is stuck loading as 92%. How do I fix it? Blueprint , question , editor , crash , bug-report , unreal-engine	9	43	January 28, 2026
Refresh Texture Streaming Pool Without Restart? (r.Streaming.PoolSize Improvement) question , unreal-engine	3	237	January 28, 2026
UE5 Planar Reflection Not Supported Translucent Material (5.4.4/5.7.2) question , unreal-engine	0	10	January 28, 2026
[UE5] Anime/Toon/Cel Shading Model (WORKS WITH LAUNCHER ENGINE VERSIONS) Lighting , Rendering , unreal-engine , UE5-0	179	61533	January 27, 2026
Niagara particles FX Resets on Camera Cut When Rendering. question , unreal-engine	1	41	January 27, 2026
Writing a VertexFactory shader, is there a template or defined interface to implement? question , unreal-engine	2	285	January 27, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	756	40128	January 27, 2026
UE 5.5 -> UE 5.7 Megalights issue question , unreal-engine	26	995	January 27, 2026
HLOD landscape building is broken in editor (UE 5.7.2) question , editor , CPP , bug-report , unreal-engine	0	10	January 27, 2026
HLOD landscape building is broken in editor question , editor , CPP , bug-report , unreal-engine	0	4	January 27, 2026
Epic's GPUlightmass unreal-engine	824	69235	January 27, 2026
Constant invalidation of VSM dynamic shadows in 5.7.0 question , unreal-engine , Epic-Pro-Support	4	180	January 27, 2026
When i am doing the rendering my Image export quality does not seems good, every time it is like this. question , twinmotion	1	11	January 27, 2026
床や部屋の反射が強いときの対処法 question , twinmotion	1	26	January 27, 2026
Feature Request: Adjustable Outline Thickness After Recent Update question , outline , twinmotion	2	59	January 27, 2026
Virtual Texture blocky artifact 4.27 question , unreal-engine	1	11	January 27, 2026
exact 'first person: world space representation' requirements? question , unreal-engine	3	22	January 27, 2026
Unreal Engine 5.7.1 Lumen Ghosting/Light lines help ._. Lumen , unreal-engine	3	37	January 27, 2026
Per flake color with Substrate question , unreal-engine	1	22	January 27, 2026
Getting weird light spots in my render question , Rendering , unreal-engine	1	24	January 26, 2026
How to Get GPU Lightmass Working with HLODs? question , Lightmass , unreal-engine , gpu-lightmass	1	13	January 26, 2026
How can i make my game look like this? like what post process settings do i have to add? Post-Processing , Rendering , unreal-engine , Post-Process	3	42	January 26, 2026
GPU Lightmass Error: Array index out of bounds question , crash , Lightmass , unreal-engine , gpu-lightmass	1	16	January 26, 2026
5.7 Lightmass Issues (Crashes and Bugs) question , Lightmass , unreal-engine , lightmass-crash	0	17	January 26, 2026
UE 5.7 Pathtracer Fatal error in large scenes question , unreal-engine , dx12 , Path-Tracer	5	219	January 26, 2026
DumpGpu Open Empty question , unreal-engine	1	49	January 26, 2026
Jittery and pixelated volumetric clouds question , unreal-engine	5	376	January 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…