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	139762	January 8, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15309	November 17, 2021
Virtual Texture blocky artifact 4.27 question , unreal-engine	0	4	January 27, 2026
exact 'first person: world space representation' requirements? question , unreal-engine	3	21	January 27, 2026
My UE5.7 project is stuck loading as 92%. How do I fix it? Blueprint , question , editor , crash , bug-report , unreal-engine	6	30	January 27, 2026
Unreal Engine 5.7.1 Lumen Ghosting/Light lines help ._. Lumen , unreal-engine	3	33	January 27, 2026
Epic's GPUlightmass unreal-engine	823	69194	January 27, 2026
Per flake color with Substrate question , unreal-engine	1	18	January 27, 2026
Getting weird light spots in my render question , Rendering , unreal-engine	1	23	January 26, 2026
How to Get GPU Lightmass Working with HLODs? question , Lightmass , unreal-engine , gpu-lightmass	1	11	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	40	January 26, 2026
UE 5.5 -> UE 5.7 Megalights issue question , unreal-engine	25	975	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	14	January 26, 2026
UE 5.7 Pathtracer Fatal error in large scenes question , unreal-engine , dx12 , Path-Tracer	5	208	January 26, 2026
DumpGpu Open Empty question , unreal-engine	1	47	January 26, 2026
Jittery and pixelated volumetric clouds question , unreal-engine	5	375	January 26, 2026
Material is appearing completely different on static mesh question , unreal-engine	11	31	January 25, 2026
Skeletal Mesh with opacity disappears at certain angles question , unreal-engine	0	7	January 25, 2026
Meta quest 3 standalone packaging question , unreal-engine	0	10	January 25, 2026
Niagara system disappears certain distance unreal-engine	10	2434	January 24, 2026
Simulate SSAO with Forward Shading? question , Rendering , unreal-engine	7	37	January 24, 2026
HLOD error on Lightmass build: Instanced meshes don’t yet support unique static lighting for each LOD question , unreal-engine	2	16	January 24, 2026
Is Nanite Tessellation broken on terrain in 5.6 ? question , unreal-engine	10	711	January 23, 2026
Unreal 5.7 RayTracing Crash question , crash , Rendering , unreal-engine , Ray-Tracing	9	377	January 23, 2026
Light Function Material - Line through texture question , unreal-engine	0	19	January 23, 2026
When i am doing the rendering my Image export quality does not seems good, every time it is like this. question , twinmotion	0	4	January 23, 2026
Lumen/AA flickering unreal-engine	7	56	January 23, 2026
Problem with flickering shadows in Unreal Engine 5 when using global illumination not in Lumen mode question , editor , bug-report , Rendering , unreal-engine	38	21845	January 23, 2026
How to draw a 'outline/wireframe' of specific edges/corners of mesh? unreal-engine	2	2237	January 23, 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…