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	141592	February 11, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15354	November 17, 2021
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	0	4	February 13, 2026
Is SceneTexture:Subsurface not supported while using Substrate? question , unreal-engine	0	6	February 12, 2026
How do I get accurate and performant coastal reflections? question , unreal-engine	4	34	February 12, 2026
Epic's GPUlightmass unreal-engine	833	70095	February 12, 2026
Rendering Decal on Foliage unreal-engine	3	2163	February 12, 2026
User Scene Texture gets cutoff in VR for Right Eye question , unreal-engine	0	3	February 12, 2026
How are Lyra logo textures created? (RGB channels contain different data) question , unreal-engine	4	25	February 12, 2026
GPU Lightmass Error: Array index out of bounds question , crash , Lightmass , unreal-engine , gpu-lightmass	2	31	February 12, 2026
Why can't I use VSM to shadow objects drawn with Indirect Draw + Custom PrimitiveComponent question , unreal-engine	0	10	February 12, 2026
why the material's effect look different between in editor's preview and game scene? Blueprint , question , unreal-engine	1	8	February 12, 2026
Lighting malfunction in level on a mobile device when upgrade to UE 5.7.3 Lighting , unreal-engine , static-lighting	0	7	February 12, 2026
Unreal 5.7 Transparent Material Issue unreal-engine	3	241	February 12, 2026
Is it possible to hook into light mode / dark mode platform preferences for game screen display? Blueprint , question , CPP , unreal-engine	0	12	February 11, 2026
This seems to be a bug for RenderGraph question , unreal-engine	1	46	February 11, 2026
Small, bright, random color flashes in Volumetric Fog with Lumen 5.6.1 question , unreal-engine	3	107	February 11, 2026
Artefacting between meshes using the same translucent glass material question , Rendering , unreal-engine	2	28	February 11, 2026
Unreal 5 "Panoramic Rendering" making cryptomattes non-panorama question , Rendering , unreal-engine , UE5-0	2	400	February 11, 2026
nDisplay not possible on high refresh rate HDMI TVs? unreal-engine	0	11	February 11, 2026
Water Foam in 3D FLIP System not showing question , Rendering , unreal-engine , fluid , Fluids	0	12	February 10, 2026
Need a way to have lights in child actors or scene components bake static lighting question , unreal-engine	3	23	February 10, 2026
Anti-Aliasing Causing Grainy Shadows and Textures in Motion question , unreal-engine	1	20	February 10, 2026
Water Depth Effects in Unreal Engine: Deformation, Blur, and Visual Clarity unreal-engine	0	16	February 10, 2026
Rendu des reflets sur Mac Apple Silicon twinmotion	0	10	February 10, 2026
Error during custom RayTracer Shader initialization unreal-engine	3	125	February 10, 2026
Volumetric Fog issues with Flashlight (SpotLight) question , Lighting , Rendering , unreal-engine , volumetric-fog	1	18	February 10, 2026
UE5.6 TSR DOF BUG question , unreal-engine , Epic-Pro-Support	15	94	February 10, 2026
Use cases for Vertex Painting and Texture Color? question , unreal-engine	3	23	February 10, 2026
Trying to bring RTXGI to 5.7 unreal-engine	17	1561	February 10, 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…