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…	2380	161280	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15980	November 17, 2021
Glass material problem question , unreal-engine	5	43	August 13, 2026
Light Leaking Appears When Using Shadow Maps question , unreal-engine	1	26	August 12, 2026
Translucent fog cards disapearing with distance when using post process Post-Processing , translucent , unreal-engine	1	74	August 12, 2026
Import mesh weird face normals question , Rendering , unreal-engine , UE5-0	5	2679	August 12, 2026
How to fix lumen flickering issue without anti aliasing? Lumen , question , unreal-engine	1	38	August 12, 2026
How do I create an Overlay blend, with alpha support question , unreal-engine	0	19	August 12, 2026
Create a rectangular boundary for Rect Light question , unreal-engine	1	55	August 11, 2026
How does nanite handle a large mesh close to the camera but has a part that is far? question , unreal-engine	3	63	August 11, 2026
Lighting - Where is the light coming from? question , unreal-engine	14	129	August 11, 2026
My dynamic material instances for my post-process material are created, but... question , unreal-engine	0	25	August 11, 2026
How to force the Vulkan Mobile Renderer on Desktop? unreal-engine	1	398	August 11, 2026
Heterogeneous Volumes, Flickering when animating question , Rendering , unreal-engine	2	786	August 11, 2026
UE5.6 TSR DOF BUG question , unreal-engine , Epic-Pro-Support	17	377	August 10, 2026
Crash when PSO precache + cache occurs while Insights tracing question , unreal-engine , Epic-Pro-Support	8	204	August 10, 2026
Volumetric Fog visible rectangle artifact on Play (Temporal accumulation artifact) question , unreal-engine	2	73	August 9, 2026
Lumen surface cache atlas oversubscribed in UE 5.8 question , unreal-engine	4	341	August 8, 2026
Radiance Cascades in Unreal unreal-engine	7	4803	August 8, 2026
5.5 Project Convertion to 5.8 broke Planar Reflections? question , Reflections , Rendering , unreal-engine	1	49	August 7, 2026
no reflections on Android Vulkan question , unreal-engine	5	83	August 7, 2026
Movie Render Graph Antialiasing issue question , Rendering , unreal-engine	24	327	August 7, 2026
Weird artifacts on the mesh. unreal-engine	2	75	August 7, 2026
Sequencer plays camera movement but render does not (SOLVED) question , editor , Rendering , unreal-engine	0	34	August 6, 2026
Consistent GPU crash after upgrading to 5.8 unreal-engine	7	287	August 5, 2026
MegaLights feedback thread Lighting , Rendering , unreal-engine , MegaLights	336	23322	August 5, 2026
Adapt MetaXR and MetaXRInteraction to UE5.7.3 unreal-engine , oculus-vr , oculus-quest , OpenXR	6	281	August 4, 2026
[Substrate] Blendable GBuffer silently discards F0 chromaticity for dark metals — same F0, different results between legacy-converted and hand-built Slab materials question , Rendering , unreal-engine , Substrate	0	40	August 4, 2026
Why does Nanite not work? question , unreal-engine	3	125	August 4, 2026
Material Layering System problem unreal-engine	2	279	August 4, 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…