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	141305	February 7, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15349	November 17, 2021
Render thread hitches on mip streaming for particle systems question , unreal-engine , Epic-Pro-Support	7	237	February 10, 2026
Need a way to have lights in child actors or scene components bake static lighting question , unreal-engine	0	5	February 10, 2026
Use cases for Vertex Painting and Texture Color? question , unreal-engine	1	10	February 10, 2026
How do I get accurate and performant coastal reflections? question , unreal-engine	0	7	February 10, 2026
Glass reflects the window itself question , bug-report , Rendering , unreal-engine , window , glass , reflection	9	2906	February 10, 2026
Light Function Material - Line through texture question , unreal-engine	1	32	February 9, 2026
Packed Level Actors and Occlusion Culling/ Frustum Culling unreal-engine	3	35	February 9, 2026
How to force BC1 texture compression? question , Textures , unreal-engine , compression	2	531	February 9, 2026
Best Practices for Optimizing Niagara VFX for Performance in UE5 question , unreal-engine	6	694	February 9, 2026
Ghosting and shadows problem question , unreal-engine	4	25	February 9, 2026
Static Lights look strange after upgrading from 5.4 to 5.6 question , unreal-engine	6	55	February 9, 2026
Epic's GPUlightmass unreal-engine	829	69940	February 9, 2026
Angled Walls Not Lighting? question , unreal-engine	1	25	February 9, 2026
Trying to bring RTXGI to 5.7 unreal-engine	16	1496	February 9, 2026
Overlay Material not working on Static Meshes unreal-engine	7	3289	February 9, 2026
How do I get rid of these black metallic splotches on my textures? question , unreal-engine	1	25	February 9, 2026
Artefacting between meshes using the same translucent glass material question , Rendering , unreal-engine	0	9	February 9, 2026
Render Queue mesh disappears HELP question , Rendering , unreal-engine	5	1691	February 9, 2026
Nanite mesh - fade out unreal-engine , UE5-0	5	1030	February 9, 2026
5.7——Resolution Settings Issue in Unreal Engine question , unreal-engine	1	14	February 8, 2026
lighting issues on linux mint question , unreal-engine	0	12	February 8, 2026
Been trying to do a post process material question , unreal-engine	0	13	February 8, 2026
PSA/Bug Report - Path Tracer Alpha Artifacts unreal-engine	0	10	February 7, 2026
Apply Scalability Settings Not Working Blueprint , question , editor , Rendering , unreal-engine	2	16	February 7, 2026
Regression with RecomputeTangents on SkeletalMeshes in 5.6 question , unreal-engine , Epic-Pro-Support	4	161	February 7, 2026
Omnidirectional Light or Point Directional-Light - Trying to achieve realistic solar system lighting. Blueprint , question , Lighting , Rendering , unreal-engine	6	114	February 7, 2026
Lumen no longer working in UE5.5 DX11 SM5 Lumen , dx11 , unreal-engine	27	3439	February 7, 2026
UV light/black light question , please-help-me , unreal-engine , Post-Process	1	19	February 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…