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…	2380	157264	June 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15863	November 17, 2021
Depth map Broken Movie render queue question , Rendering , please-help-me , unreal-engine , depth , compositing	0	6	July 12, 2026
Submarine Translucent Material VS. Exponential height fog and Volumetric Fog question , unreal-engine	3	73	July 12, 2026
Epic's GPUlightmass unreal-engine	938	81305	July 12, 2026
Lumen surface cache atlas oversubscribed in UE 5.8 question , unreal-engine	3	133	July 12, 2026
Very high ShadowDepths cost with CSM despite aggressive shadow optimization (UE 5.5.4) Blueprint , question , Optimization , unreal-engine	1	40	July 12, 2026
Anything Behind Glass Material Draw Distance Is Reduced? question , Rendering , translucent , unreal-engine , glass	0	22	July 11, 2026
Twisted tunnel material Post-Processing , Rendering , unreal-engine , UE5-0	24	2693	July 11, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	19	1411	July 10, 2026
NVIDIA DLSS Plugin 4.5 for UE 5.8 cannot load NGXVulkanRHIPreInit.dll (0xc0000092) bug-report , Plugins , nvidia , unreal-engine , crash-on-launch , crash-at-startup	2	94	July 10, 2026
Niagara 3D Grid Gas - make white like steam question , unreal-engine	5	420	July 10, 2026
[UE5] Anime/Toon/Cel Shading Model (WORKS WITH LAUNCHER ENGINE VERSIONS) Lighting , Rendering , unreal-engine , UE5-0	183	67738	July 10, 2026
UE5.7 Refraction Screen Tearing refraction , unreal-engine , Water	3	64	July 10, 2026
How to Use Texture Group Details With Scalability and Platform Settings question , unreal-engine , Epic-Pro-Support	7	428	July 9, 2026
Weird noise in my Render "Shadow" question , unreal-engine	3	87	July 8, 2026
Artifacts in my render but not in viewport question , unreal-engine	4	107	July 8, 2026
ShadowDepths takes 6-10 ms even with almost all shadow settings disabled (UE 5.5) Blueprint , question , unreal-engine	0	40	July 8, 2026
UE5 Heterogeneous Volume: Low-density Houdini VDB smoke becomes dotted / pixelated question , unreal-engine	0	28	July 8, 2026
树木在拉远后变亮、阴影消失 question , unreal-engine	0	17	July 8, 2026
How to prevent lights occluded from view stopping their lighting question , unreal-engine	0	43	July 8, 2026
Hair changes to black when changing the view question , unreal-engine	1	56	July 7, 2026
How to fix specularity or roughness Issues in 5.8? question , unreal-engine	1	76	July 7, 2026
Noticeable differences in path-traced hair strand look on the exact same UE 5.8 project depending on the GPU (RTX 4090 vs. 50 Series) question , unreal-engine	0	37	July 7, 2026
Luoshuang's GPULightmass unreal-engine	2502	867714	July 7, 2026
how to adjust defocused background seen through the glass objects in unreal 5.8? question , unreal-engine	1	66	July 6, 2026
Vertex painting in combination with World Aligned Texture node? question , Materials , unreal-engine	4	1570	July 6, 2026
substrate materials wont let me bake gi question , unreal-engine	17	410	July 5, 2026
Lumen no longer working in UE5.5 DX11 SM5 Lumen , dx11 , unreal-engine	28	3934	July 5, 2026
Material refraction not working question , Materials , unreal-engine	18	6908	July 5, 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…