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…	2339	142115	February 11, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15379	November 17, 2021
[SM6] (Node TextureSampleParameter2D) Param2D> Found NULL, requires Texture2D question , editor , Rendering , unreal-engine	1	260	February 20, 2026
Render distance cutting out at small and long distances question , unreal-engine , fortnite , fortnite-creative	0	12	February 19, 2026
I have wonky shadows, How do I fix?? (UE4.27) Blueprint , question , unreal-engine	10	42	February 19, 2026
Lighting channels also for skylights? unreal-engine	34	10390	February 19, 2026
exact 'first person: world space representation' requirements? question , unreal-engine	5	70	February 19, 2026
Cannot delete empty material from model question , unreal-engine	2	16	February 19, 2026
Ctrl + L does not work UE5 (Unreal Engine 5) question , Lighting , unreal-engine , light , lighting-problem , UE5-0	39	23457	February 19, 2026
nDdisplay rendering exr issue editor , bug-report , unreal-engine	0	7	February 19, 2026
Unreal 5.7 RayTracing Crash question , crash , Rendering , unreal-engine , Ray-Tracing	11	514	February 19, 2026
nDisplay Movie render Queue -- Stretch issue only for one panel (floor display) question , unreal-engine	0	11	February 19, 2026
Black Horizontal Line In Rendering (please help) question , Rendering , unreal-engine	0	18	February 19, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	761	41063	February 19, 2026
Foliage shadow flicker in render with UE 5.7 unreal-engine	3	25	February 18, 2026
I accidentally made my nanite meshes NOT work with decals...what did I do??? Nanite , question , Decals , unreal-engine , emissive	0	12	February 18, 2026
World Aligned Texture + Modernised Version - Weird Shadow / Darkness On Mesh question , unreal-engine	2	18	February 18, 2026
Skeletal Mesh animations not playing when far away? Animation , question , Rendering , unreal-engine , bones	4	1342	February 18, 2026
Volumetric Shadows issue after certain scale unreal-engine	0	5	February 18, 2026
HLOD landscape building is broken in editor (UE 5.7.2) question , editor , CPP , bug-report , unreal-engine	1	122	February 18, 2026
Random Ray Tracing Crashes in D3D12RHI question , unreal-engine , Epic-Pro-Support	5	105	February 18, 2026
Green screen render question , unreal-engine	3	38	February 18, 2026
Epic's GPUlightmass unreal-engine	842	70484	February 17, 2026
Switching between multiple Frame Generation sources at runtime question , unreal-engine , Epic-Pro-Support	2	21	February 17, 2026
Twinmotion not running fluidly on Mac M4 Max Cpu 16 core, GPU 40-core- neural 16 core - 64GB RAM twinmotion	0	19	February 17, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	2	79	February 17, 2026
Error during custom RayTracer Shader initialization unreal-engine	4	136	February 17, 2026
Unreal (5.4.4 and 5.6 Preview) Lightmass on Mac stopping at 0% question , Lightmass , apple , building-lighting , unreal-engine , baked-lighting , Macos	9	583	February 17, 2026
USceneCaptureComponent2D produces large checkered cube instead of charactrers question , unreal-engine	1	20	February 16, 2026
Does Fortnite support deferred shading on mobile? question , Rendering , Forward-Rendering , fortnite , unreal-editor-for-fortnite , UEFN	1	15	February 16, 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…