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…	2327	139491	January 8, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15301	November 17, 2021
"Find Collision UV" always returns zero for Skeletal Meshes Blueprint , question , collision-responses , skeletalmesh , uv , unreal-engine , Trace	54	8892	January 22, 2026
UE4 Non PiP Scopes Rendering , unreal-engine	1	282	January 22, 2026
Our team has built WebGPU support, available for UE 5.6 - link below unreal-engine	0	3	January 22, 2026
Unreal 5.7 RayTracing Crash question , crash , Rendering , unreal-engine , Ray-Tracing	7	340	January 22, 2026
Is Nanite Tessellation broken on terrain in 5.6 ? question , unreal-engine	5	673	January 22, 2026
Issue with pixelated specular on mesh edges question , Lighting , Rendering , unreal-engine , lighting-problem	0	5	January 22, 2026
Epic's GPUlightmass unreal-engine	821	69024	January 22, 2026
Particles work everywhere except when placed as an Animation Notify unreal-engine	3	2318	January 22, 2026
UE 5.5 -> UE 5.7 Megalights issue question , unreal-engine	23	901	January 22, 2026
Accessing View struct from custom .usf shader causes undeclared identifier error question , Shaders , unreal-engine , shader	2	16	January 22, 2026
Feedback wanted: Materials & Lighting review for TCG card game Rendering , unreal-engine , emissive , parallax	4	24	January 22, 2026
What cause black spot on skeletal mesh? question , unreal-engine	3	23	January 22, 2026
Why does the Panner node produce artifacts at high values? Blueprint , question , Rendering , unreal-engine	8	38	January 22, 2026
City Sample in UE5.4 flickering artifact Rendering , unreal-engine	3	215	January 22, 2026
How can I change the brightness with a slider? Blueprint , question , unreal-engine , options , brightness , slider	38	16434	January 22, 2026
Is there a way I can disable the atmospheric sun light for everything but the backgroun? question , Rendering , unreal-engine , light	2	19	January 22, 2026
Transparent Materials in Movie Render Graph Object IDs question , bug-report , unreal-engine , Render-Pipeline	12	212	January 22, 2026
MetaHuman hair ghosting when moving + hair appears see-through question , unreal-engine	0	5	January 21, 2026
Seams on multi-part skeletal character question , Lighting , unreal-engine , skeletal	13	4568	January 21, 2026
Lumen/AA flickering unreal-engine	5	26	January 21, 2026
Distance fields issue question , Rendering , unreal-engine , distance-fields	8	142	January 21, 2026
how do i get rid of these artifacts question , Rendering , unreal-engine	3	16	January 21, 2026
How to enable OCIO in Play in Editor mode? unreal-engine , UE5-0	3	1000	January 21, 2026
OCIO for real-time (game) question , unreal-engine	1	47	January 21, 2026
UE 5.7 Pathtracer Fatal error in large scenes question , unreal-engine , dx12 , Path-Tracer	4	186	January 21, 2026
How to get source file path from UTexture? question , CPP , texture , unreal-engine	5	2376	January 21, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	754	39945	January 21, 2026
Optimising fire in UE 5.7 question , unreal-engine	3	32	January 21, 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…