Development

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…	2331	133208	December 18, 2025
Creating a custom Substrate Shader Model/BSDF Asset Creation question , unreal-engine	36	5677	December 18, 2025
Camera Focus Probelm For Metahuman Grooms/Face Cinematics & Media question , unreal-engine	2	24	December 18, 2025
Substrate reflection of the rect light gets blurry with light scaling on one axis Rendering question , unreal-engine	7	64	December 19, 2025
One click to rule them all Blueprint question , unreal-engine	12	80	December 18, 2025
PCG, spawn skinned mesh, no collision Blueprint question , unreal-engine	3	124	December 18, 2025
Does sky lights get baked when I bake for lighting? Rendering question , unreal-engine	7	54	December 18, 2025
Crash Error in Unreal 5.7.1 Platform & Builds unreal-engine	11	235	December 18, 2025
NVIDIA Driver 580+ makes the DoF low quality Rendering Post-Processing , Rendering , Depth-Of-Field , bug , unreal-engine , DOF , artifacts	6	383	December 18, 2025
Metahuman - different parameter namings across DCCs ( FBX import issues ) Pipeline & Plugins question , unreal-engine	0	6	December 18, 2025
Unreal Game Play On Nintendo Switch Platform ， can not generate nrr error Programming & Scripting question , CPP , unreal-engine	0	11	December 18, 2025
How to get the mass of an overridden static mesh? Blueprint question , staticmesh , unreal-engine , Physics-Mass	0	9	December 18, 2025
Character head out of sync with eyes, mouth only in 5.4 Character & Animation question , unreal-engine	5	160	December 18, 2025
Paper2D Tilemap: tile textures start flickering while moving camera at longer distances Rendering question , unreal-engine , move , flickering , zoom , distance , tiles , flicker , tile-maps	3	449	December 18, 2025
Tilemaps lines pop-up issue Rendering question , bug-report , texture , unreal-engine , tile-maps	2	472	December 18, 2025
[UE-229688] Issue tracker marked this issue as solved but it is still occuring Character & Animation error , issue , unreal-engine , Kinematic	0	19	December 18, 2025
I just want to see viewport, with playing in editor, without moving or minimizing the other window Pipeline & Plugins Programming , question , editor , UE4 , unreal-engine	10	3031	December 18, 2025
Water Ocean Body: How to Add Foam to places where ocean collides with certain static meshes? World Creation unreal-engine , Water	3	547	December 18, 2025
High-Fidelity ArchViz in Unreal Engine 5: Cinematic Video + PC Walkthrough (VR-Ready) Programming & Scripting editor , unreal-engine	0	6	December 18, 2025
MetaHuman Identity - GPU Crashed or D3D Device Removed. Check log for GPU state information. Character & Animation question , bug-report , unreal-engine , metahuman	4	408	December 18, 2025
Unreal Insights "ExecuteForegroundTask" causes huge level load time Programming & Scripting question , editor , unreal-engine	1	13	December 18, 2025
GameplayCameras Plugin Bug Programming & Scripting question , CPP , bug-report , unreal-engine	1	46	December 18, 2025
Split screen whit more than 4 players - Local Multiplayer C++ question , editor , CPP , unreal-engine	5	157	December 18, 2025
GeoReferencing 打包后从UTM 转换到经纬度时失败了 Blueprint question , unreal-engine	0	5	December 18, 2025
Missing convert button in the dynamic mesh converter un UE5.5.1 Getting Started & Setup question , unreal-engine	2	126	December 18, 2025
Multiplayer help Getting Started & Setup question , Multiplayer , unreal-engine	0	16	December 18, 2025
Now I need advanced skills related to landscape materials. World Creation question , Rendering , unreal-engine	0	13	December 18, 2025
Stretching Mesh results in dark shade covering large part of it. Normals related? Asset Creation question , bug-report , Rendering , unreal-engine	4	27	December 18, 2025
hitting f11 to full screen my scene drops me to 10 fps in an rtx 3090 even though stretching the screen to fit full is at 80 fps Debugging, Optimization, & Profiling question , bug-report , unreal-engine , fps-drop	1	22	December 17, 2025
Is there a way to not render warm up frames in Movie Render Graph? Cinematics & Media question , Rendering , unreal-engine	3	47	December 17, 2025

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…