Topics tagged unreal-engine

Topic	Replies	Views	Activity
Lumen GI and Reflections feedback thread Rendering 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…	2339	142175	February 11, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions Rendering unreal-engine	29	15381	November 17, 2021
Megalights issue: glitter/sparkle effect in 5.7.3 on unlit materials and collision edges. Any solution? Rendering question , bug-report , unreal-engine	5	18	February 21, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI Rendering question , unreal-engine	3	92	February 20, 2026
Weird color artifacts Rendering question , editor , unreal-engine	1	12	February 20, 2026
Need for instant Lumen scene update Rendering question , unreal-engine	1	131	February 20, 2026
is there a way to view which texture mips are currently loaded? (and i might be seeing a severe caching bug too) Rendering question , unreal-engine , mipmap , memory-usage	0	6	February 20, 2026
After upgrade from 5.6 to 5.7 Volumetric Light is leaking through Instanced Meshes (HISM). Why?? (GIFs inside) Rendering question , unreal-engine , Hierarchical-Instanced-Static-Mesh , volumetric-fog	1	19	February 20, 2026
I have wonky shadows, How do I fix?? (UE4.27) Rendering Blueprint , question , unreal-engine	13	48	February 20, 2026
Water body showing in Editor but not in VR Preview Rendering question , unreal-engine , Water	0	9	February 20, 2026
Unreal (5.4.4 and 5.6 Preview) Lightmass on Mac stopping at 0% Rendering question , Lightmass , apple , building-lighting , unreal-engine , baked-lighting , Macos	11	590	February 20, 2026
privet privet Rendering question , unreal-engine	0	9	February 20, 2026
Build LIghting on Mac BROKEN Rendering MAC , unreal-engine	0	11	February 20, 2026
RenderTarget whitewashed on Medium+ settings Rendering question , unreal-engine , render-target , scenecapture2d , metahuman	0	10	February 20, 2026
Volumetric Shadows issue after certain scale Rendering unreal-engine	1	11	February 20, 2026
[SM6] (Node TextureSampleParameter2D) Param2D> Found NULL, requires Texture2D Rendering question , editor , Rendering , unreal-engine	1	260	February 20, 2026
Render distance cutting out at small and long distances Rendering question , unreal-engine , fortnite , fortnite-creative	0	16	February 19, 2026
Lighting channels also for skylights? Rendering unreal-engine	34	10394	February 19, 2026
exact 'first person: world space representation' requirements? Rendering question , unreal-engine	5	70	February 19, 2026
Cannot delete empty material from model Rendering question , unreal-engine	2	16	February 19, 2026
Ctrl + L does not work UE5 (Unreal Engine 5) Rendering question , Lighting , unreal-engine , light , lighting-problem , UE5-0	39	23461	February 19, 2026
nDdisplay rendering exr issue Rendering editor , bug-report , unreal-engine	0	12	February 19, 2026
Unreal 5.7 RayTracing Crash Rendering question , crash , Rendering , unreal-engine , Ray-Tracing	11	515	February 19, 2026
nDisplay Movie render Queue -- Stretch issue only for one panel (floor display) Rendering question , unreal-engine	0	14	February 19, 2026
Black Horizontal Line In Rendering (please help) Rendering question , Rendering , unreal-engine	0	19	February 19, 2026
Substrate - Feedback Thread Rendering Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	761	41090	February 19, 2026
Foliage shadow flicker in render with UE 5.7 Rendering unreal-engine	3	27	February 18, 2026
I accidentally made my nanite meshes NOT work with decals...what did I do??? Rendering Nanite , question , Decals , unreal-engine , emissive	0	12	February 18, 2026
World Aligned Texture + Modernised Version - Weird Shadow / Darkness On Mesh Rendering question , unreal-engine	2	18	February 18, 2026
Skeletal Mesh animations not playing when far away? Rendering Animation , question , Rendering , unreal-engine , bones	4	1342	February 18, 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…