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…	2336	141357	February 7, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15350	November 17, 2021
Water Foam in 3D FLIP System not showing question , Rendering , unreal-engine , fluid , Fluids	0	2	February 10, 2026
Artefacting between meshes using the same translucent glass material question , Rendering , unreal-engine	1	14	February 10, 2026
Need a way to have lights in child actors or scene components bake static lighting question , unreal-engine	3	18	February 10, 2026
Anti-Aliasing Causing Grainy Shadows and Textures in Motion question , unreal-engine	1	7	February 10, 2026
Water Depth Effects in Unreal Engine: Deformation, Blur, and Visual Clarity unreal-engine	0	4	February 10, 2026
Rendu des reflets sur Mac Apple Silicon twinmotion	0	3	February 10, 2026
Error during custom RayTracer Shader initialization unreal-engine	3	124	February 10, 2026
Volumetric Fog issues with Flashlight (SpotLight) question , Lighting , Rendering , unreal-engine , volumetric-fog	1	14	February 10, 2026
UE5.6 TSR DOF BUG question , unreal-engine , Epic-Pro-Support	15	86	February 10, 2026
Epic's GPUlightmass unreal-engine	830	69967	February 10, 2026
Use cases for Vertex Painting and Texture Color? question , unreal-engine	3	20	February 10, 2026
Trying to bring RTXGI to 5.7 unreal-engine	17	1517	February 10, 2026
Rect Light Reflections in RayTraced Translucency unreal-engine , Ray-Tracing , translucency	0	10	February 10, 2026
Render thread hitches on mip streaming for particle systems question , unreal-engine , Epic-Pro-Support	7	244	February 10, 2026
How do I get accurate and performant coastal reflections? question , unreal-engine	0	15	February 10, 2026
Glass reflects the window itself question , bug-report , Rendering , unreal-engine , window , glass , reflection	9	2911	February 10, 2026
Light Function Material - Line through texture question , unreal-engine	1	33	February 9, 2026
Packed Level Actors and Occlusion Culling/ Frustum Culling unreal-engine	3	37	February 9, 2026
How to force BC1 texture compression? question , Textures , unreal-engine , compression	2	533	February 9, 2026
Best Practices for Optimizing Niagara VFX for Performance in UE5 question , unreal-engine	6	700	February 9, 2026
Ghosting and shadows problem question , unreal-engine	4	32	February 9, 2026
Static Lights look strange after upgrading from 5.4 to 5.6 question , unreal-engine	6	56	February 9, 2026
Angled Walls Not Lighting? question , unreal-engine	1	26	February 9, 2026
Overlay Material not working on Static Meshes unreal-engine	7	3297	February 9, 2026
How do I get rid of these black metallic splotches on my textures? question , unreal-engine	1	25	February 9, 2026
Render Queue mesh disappears HELP question , Rendering , unreal-engine	5	1692	February 9, 2026
Nanite mesh - fade out unreal-engine , UE5-0	5	1033	February 9, 2026
5.7——Resolution Settings Issue in Unreal Engine question , unreal-engine	1	14	February 8, 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…