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	161558	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	16042	November 17, 2021
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	812	51632	August 17, 2026
When dithered LOD switches, a flicker occurs. question , unreal-engine , Epic-Pro-Support	4	115	August 17, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	22	1823	August 16, 2026
Question about Vertex Color Error Factor in "Evolving a Legend: Bringing Halo to Unreal Engine 5" talk question , unreal-engine	1	72	August 16, 2026
[Issue] Volumetric Fog settings changing during play question , unreal-engine	3	204	August 16, 2026
Camera Cuts question , Exposure , unreal-engine	1	41	August 14, 2026
Benefits of Physically Based Lighting Values vs. Game-Scaled Values in UE5 Lumen , question , Lighting , Exposure , unreal-engine	0	33	August 14, 2026
no reflections on Android Vulkan question , unreal-engine	6	111	August 14, 2026
Mutable Texture Project on Metahuman (Tattoos) question , unreal-engine , Epic-Pro-Support	2	117	August 14, 2026
Glass material problem question , unreal-engine	6	108	August 14, 2026
Light Leaking Appears When Using Shadow Maps question , unreal-engine	2	65	August 14, 2026
Translucent fog cards disapearing with distance when using post process Post-Processing , translucent , unreal-engine	1	85	August 12, 2026
Import mesh weird face normals question , Rendering , unreal-engine , UE5-0	5	2701	August 12, 2026
How to fix lumen flickering issue without anti aliasing? Lumen , question , unreal-engine	1	62	August 12, 2026
How do I create an Overlay blend, with alpha support question , unreal-engine	0	35	August 12, 2026
Create a rectangular boundary for Rect Light question , unreal-engine	1	67	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	83	August 11, 2026
Lighting - Where is the light coming from? question , unreal-engine	14	162	August 11, 2026
My dynamic material instances for my post-process material are created, but... question , unreal-engine	0	33	August 11, 2026
How to force the Vulkan Mobile Renderer on Desktop? unreal-engine	1	413	August 11, 2026
Heterogeneous Volumes, Flickering when animating question , Rendering , unreal-engine	2	807	August 11, 2026
UE5.6 TSR DOF BUG question , unreal-engine , Epic-Pro-Support	17	408	August 10, 2026
Crash when PSO precache + cache occurs while Insights tracing question , unreal-engine , Epic-Pro-Support	8	231	August 10, 2026
Volumetric Fog visible rectangle artifact on Play (Temporal accumulation artifact) question , unreal-engine	2	89	August 9, 2026
Lumen surface cache atlas oversubscribed in UE 5.8 question , unreal-engine	4	364	August 8, 2026
Radiance Cascades in Unreal unreal-engine	7	4837	August 8, 2026
5.5 Project Convertion to 5.8 broke Planar Reflections? question , Reflections , Rendering , unreal-engine	1	63	August 7, 2026
Movie Render Graph Antialiasing issue question , Rendering , unreal-engine	24	372	August 7, 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…