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	140194	January 8, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15324	November 17, 2021
Per vertex lighting and normal maps question , unreal-engine	5	25	February 1, 2026
5.7.2 Wayer System Not Rendering In Game question , unreal-engine	0	5	February 1, 2026
Bug when using Depth Fade node in Post process Material question , bug-report , unreal-engine	9	1260	January 31, 2026
Bad raytraced shadows with voxelised Nanite Foliage in 5.7 question , Foliage , unreal-engine , shadows-problem , Raytracing	5	17	January 31, 2026
Ray-Traced Shadows on Nanite Skeletal Meshes: Shadows Appear to Ignore Displacement - Bug or Limitation? Nanite , skeletalmesh , Shadows , tessellation , unreal-engine , displacement , Ray-Tracing	3	190	January 31, 2026
Editor suddenly using all system RAM question , crash , unreal-engine , debug , ram	10	470	January 31, 2026
UE 5.5 -> UE 5.7 Megalights issue question , unreal-engine	27	1064	January 31, 2026
Nanite support with Path Tracing question , unreal-engine , Epic-Pro-Support	7	46	January 31, 2026
No indirect lighting baked CPU Lightmass 5.7.1 and 5.6.1 question , Lighting , unreal-engine , lighting-problem , baked-lighting	3	72	January 31, 2026
Baked Lights look awfully bad question , Rendering , unreal-engine , lighting-problem	1	28	January 31, 2026
GPU lightmass with Shadowmaps incompatible with stationary Spotlight? question , Rendering , unreal-engine	2	25	January 31, 2026
Optimising fire in UE 5.7 question , unreal-engine	4	53	January 31, 2026
Helicopter Rotor Motion Blur unreal-engine , Motion-Blur	8	158	January 31, 2026
How do I change the anti-aliasing quality in Unreal Engine 5? question , Anti-Aliasing , unreal-engine , UE5-0	7	7338	January 30, 2026
How can I change the brightness with a slider? Blueprint , question , unreal-engine , options , brightness , slider	39	16495	January 30, 2026
Skeletal mesh eyelids appear black when deformed for eye blink Rendering , unreal-engine	2	75	January 30, 2026
MI_RadialMotionBlur rendering problem with propeller UE4-27 , question , unreal-engine	2	774	January 30, 2026
Odd cloud around translucent object: astronaut helmet 5.7 question , unreal-engine	2	23	January 30, 2026
Flickering shadow when camera is close to the ground question , editor , unreal-engine	2	22	January 30, 2026
UE 5.5 MRQ Render Glitch – Random Corrupted Frames (TSR + Lumen) question , Rendering , unreal-engine	2	19	January 30, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	759	40304	January 30, 2026
Groom renders in front of transparent materials unreal-engine	3	492	January 30, 2026
3D Grass does not appear in the preview. question , twinmotion	0	11	January 30, 2026
Unreal 5.7 RayTracing Crash question , crash , Rendering , unreal-engine , Ray-Tracing	10	411	January 29, 2026
Unable to make screen space reflection for mobile: "Planar Reflection Mode" setting disappeared in UE 5.7.2 question , unreal-engine	1	25	January 29, 2026
[Motion Design UE5.7] Cloner Animators make the cloner disappear in render question , unreal-engine	0	6	January 29, 2026
Can I view player collision without drawing render geo? question , Rendering , unreal-engine	14	1068	January 29, 2026
[Motion Design UE5.7] Cloner Animators make the cloner disappear in render question , unreal-engine	0	7	January 29, 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…