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	140000	January 8, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15322	November 17, 2021
Odd cloud around translucent object: astronaut helmet 5.7 question , unreal-engine	2	18	January 30, 2026
GPU lightmass with Shadowmaps incompatible with stationary Spotlight? question , Rendering , unreal-engine	0	7	January 30, 2026
Flickering shadow when camera is close to the ground question , editor , unreal-engine	2	17	January 30, 2026
UE 5.5 MRQ Render Glitch – Random Corrupted Frames (TSR + Lumen) question , Rendering , unreal-engine	2	17	January 30, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	759	40246	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	8	January 30, 2026
Helicopter Rotor Motion Blur unreal-engine , Motion-Blur	7	149	January 30, 2026
Unreal 5.7 RayTracing Crash question , crash , Rendering , unreal-engine , Ray-Tracing	10	403	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	19	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	1065	January 29, 2026
[Motion Design UE5.7] Cloner Animators make the cloner disappear in render question , unreal-engine	0	5	January 29, 2026
exact 'first person: world space representation' requirements? question , unreal-engine	4	26	January 29, 2026
Epic's GPUlightmass unreal-engine	825	69347	January 29, 2026
Nanite Fooliage Shadows disappears at distance Rendering , unreal-engine	2	167	January 29, 2026
MovieRenderQueue_WorldDepth in UE5.6 issues question , bug-report , unreal-engine	14	192	January 29, 2026
Refresh Texture Streaming Pool Without Restart? (r.Streaming.PoolSize Improvement) question , unreal-engine	4	248	January 29, 2026
Per flake color with Substrate question , unreal-engine	2	28	January 28, 2026
Custom Depth for opaque material Blueprint , question , UE4 , Materials , unreal-engine , Render , custom-depth	11	3273	January 28, 2026
Failed to compile default material /Engine/EngineMaterials/WorldGridMaterial.WorldGridMaterial! unreal-engine	18	9281	January 28, 2026
unreal 5.6.1 question , editor , unreal-engine	2	21	January 28, 2026
My UE5.7 project is stuck loading as 92%. How do I fix it? Blueprint , question , editor , crash , bug-report , unreal-engine	9	48	January 28, 2026
UE5 Planar Reflection Not Supported Translucent Material (5.4.4/5.7.2) question , unreal-engine	0	16	January 28, 2026
[UE5] Anime/Toon/Cel Shading Model (WORKS WITH LAUNCHER ENGINE VERSIONS) Lighting , Rendering , unreal-engine , UE5-0	179	61644	January 27, 2026
Niagara particles FX Resets on Camera Cut When Rendering. question , unreal-engine	1	43	January 27, 2026
Writing a VertexFactory shader, is there a template or defined interface to implement? question , unreal-engine	2	285	January 27, 2026
UE 5.5 -> UE 5.7 Megalights issue question , unreal-engine	26	1047	January 27, 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…