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	160550	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15961	November 17, 2021
UE5.6 TSR DOF BUG question , unreal-engine , Epic-Pro-Support	17	358	August 10, 2026
How does nanite handle a large mesh close to the camera but has a part that is far? question , unreal-engine	1	16	August 10, 2026
Crash when PSO precache + cache occurs while Insights tracing question , unreal-engine , Epic-Pro-Support	8	192	August 10, 2026
Volumetric Fog visible rectangle artifact on Play (Temporal accumulation artifact) question , unreal-engine	2	65	August 9, 2026
Lumen surface cache atlas oversubscribed in UE 5.8 question , unreal-engine	4	319	August 8, 2026
Radiance Cascades in Unreal unreal-engine	7	4782	August 8, 2026
5.5 Project Convertion to 5.8 broke Planar Reflections? question , Reflections , Rendering , unreal-engine	1	40	August 7, 2026
no reflections on Android Vulkan question , unreal-engine	5	71	August 7, 2026
Movie Render Graph Antialiasing issue question , Rendering , unreal-engine	24	290	August 7, 2026
Weird artifacts on the mesh. unreal-engine	2	51	August 7, 2026
Sequencer plays camera movement but render does not (SOLVED) question , editor , Rendering , unreal-engine	0	22	August 6, 2026
Lighting - Where is the light coming from? question , unreal-engine	13	92	August 6, 2026
Consistent GPU crash after upgrading to 5.8 unreal-engine	7	255	August 5, 2026
MegaLights feedback thread Lighting , Rendering , unreal-engine , MegaLights	336	23147	August 5, 2026
Adapt MetaXR and MetaXRInteraction to UE5.7.3 unreal-engine , oculus-vr , oculus-quest , OpenXR	6	275	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	34	August 4, 2026
Why does Nanite not work? question , unreal-engine	3	115	August 4, 2026
Material Layering System problem unreal-engine	2	264	August 4, 2026
UE 5.7 Lumen: View-dependent flickering/pulsing on specific meshes in dark scenes Blueprint , question , unreal-engine	1	66	August 3, 2026
Groom ignores opacity mask input question , Rendering , unreal-engine , Hair , Groom	2	657	August 3, 2026
Loading sublevel causes GPU hitch question , CPP , Level-Streaming , streaming , unreal-engine , level , streaming-level , level-load	3	106	August 3, 2026
Bad performance in the horror sample project level Performance , question , unreal-engine	3	215	August 3, 2026
Getting an error when launching a pre-made project related to Lumen being enabled even though it isin't Lighting , unreal-engine , UE5-0	5	5704	August 2, 2026
creating 3d animation question , twinmotion	0	25	August 2, 2026
Landscape Material problem in from 5.6 to 5.7 question , unreal-engine	0	43	August 2, 2026
Deconstructing & Replicating Wuthering Waves' Post-Process / Anime Shader Model in UE5 question , unreal-engine	0	43	August 1, 2026
How do I do parallax corrected cubemaps? question , unreal-engine	0	42	August 1, 2026
static skylgiht doesnt cast reflection unreal-engine	2	69	July 31, 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…