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	160621	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15966	November 17, 2021
Create a rectangular boundary for Rect Light question , unreal-engine	1	47	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	47	August 11, 2026
Lighting - Where is the light coming from? question , unreal-engine	14	105	August 11, 2026
My dynamic material instances for my post-process material are created, but... question , unreal-engine	0	16	August 11, 2026
How to force the Vulkan Mobile Renderer on Desktop? unreal-engine	1	389	August 11, 2026
Heterogeneous Volumes, Flickering when animating question , Rendering , unreal-engine	2	776	August 11, 2026
UE5.6 TSR DOF BUG question , unreal-engine , Epic-Pro-Support	17	364	August 10, 2026
Crash when PSO precache + cache occurs while Insights tracing question , unreal-engine , Epic-Pro-Support	8	195	August 10, 2026
Volumetric Fog visible rectangle artifact on Play (Temporal accumulation artifact) question , unreal-engine	2	68	August 9, 2026
Lumen surface cache atlas oversubscribed in UE 5.8 question , unreal-engine	4	327	August 8, 2026
Radiance Cascades in Unreal unreal-engine	7	4786	August 8, 2026
5.5 Project Convertion to 5.8 broke Planar Reflections? question , Reflections , Rendering , unreal-engine	1	42	August 7, 2026
no reflections on Android Vulkan question , unreal-engine	5	73	August 7, 2026
Movie Render Graph Antialiasing issue question , Rendering , unreal-engine	24	296	August 7, 2026
Weird artifacts on the mesh. unreal-engine	2	59	August 7, 2026
Sequencer plays camera movement but render does not (SOLVED) question , editor , Rendering , unreal-engine	0	28	August 6, 2026
Consistent GPU crash after upgrading to 5.8 unreal-engine	7	266	August 5, 2026
MegaLights feedback thread Lighting , Rendering , unreal-engine , MegaLights	336	23172	August 5, 2026
Adapt MetaXR and MetaXRInteraction to UE5.7.3 unreal-engine , oculus-vr , oculus-quest , OpenXR	6	280	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	37	August 4, 2026
Why does Nanite not work? question , unreal-engine	3	121	August 4, 2026
Material Layering System problem unreal-engine	2	273	August 4, 2026
UE 5.7 Lumen: View-dependent flickering/pulsing on specific meshes in dark scenes Blueprint , question , unreal-engine	1	70	August 3, 2026
Groom ignores opacity mask input question , Rendering , unreal-engine , Hair , Groom	2	658	August 3, 2026
Loading sublevel causes GPU hitch question , CPP , Level-Streaming , streaming , unreal-engine , level , streaming-level , level-load	3	111	August 3, 2026
Bad performance in the horror sample project level Performance , question , unreal-engine	3	219	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	5713	August 2, 2026
creating 3d animation question , twinmotion	0	28	August 2, 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…