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	157803	June 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15888	November 17, 2021
Black geometry in mirror kaleidoscope with Lumen Reflections Lumen , Reflections , unreal-engine , mirror	0	8	July 16, 2026
Consistent GPU crash after upgrading to 5.8 unreal-engine	0	7	July 16, 2026
MRQ vs MRG question , unreal-engine	0	18	July 16, 2026
UE5 Hair becomes extremely bright near point light / campfire (Specular 0, Roughness 1 doesn't help) question , Rendering , skeletalmesh , unreal-engine	0	9	July 16, 2026
HLOD generate partial magenta/pink textures question , unreal-engine , Epic-Pro-Support	6	158	July 15, 2026
Epic's GPUlightmass unreal-engine	940	81710	July 15, 2026
quest3 VR shows not the same as twinmotion viewport , even with ultra settings question , twinmotion	1	13	July 15, 2026
Widget component in world space to face camera Blueprint , question , Materials , unreal-engine , Widget , world-space	9	10307	July 15, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	19	1476	July 14, 2026
开启 Raytracing 之后 SkinCache 的数据暴涨 question , Rendering , skeletalmesh , unreal-engine , Raytracing	0	23	July 14, 2026
Tranlslucency bug in the interior. question , editor , bug-report , unreal-engine	3	77	July 14, 2026
I encountered a problem with Volumetric shadow from volumetric fog question , unreal-engine	1	38	July 14, 2026
Prevent Mesh/Ocean/Water (Single Water Layer) From Receiving Shadows Shadows , unreal-engine , Water	8	391	July 14, 2026
Create a rectangular boundary for Rect Light question , unreal-engine	0	22	July 14, 2026
How do I remove TAA jitter in global shader? question , Shaders , Anti-Aliasing , unreal-engine , shader , Global-Shaders	2	150	July 13, 2026
Nanite making my meshes super low poly and causing shading issues Nanite , unreal-engine	5	4184	July 13, 2026
Weird noise in my Render "Shadow" question , unreal-engine	4	116	July 13, 2026
Depth map Broken Movie render queue question , Rendering , please-help-me , unreal-engine , depth , compositing	1	44	July 13, 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	1	75	July 13, 2026
SceneCapture2D causes random frame spikes even with a 64x64 Render Target question , unreal-engine , render-target , fps-drop	0	23	July 13, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	811	49873	July 13, 2026
Anything Behind Glass Material Draw Distance Is Reduced? question , Rendering , translucent , unreal-engine , glass	1	64	July 13, 2026
Hair changes to black when changing the view question , unreal-engine	2	94	July 12, 2026
Submarine Translucent Material VS. Exponential height fog and Volumetric Fog question , unreal-engine	3	105	July 12, 2026
Lumen surface cache atlas oversubscribed in UE 5.8 question , unreal-engine	3	172	July 12, 2026
Very high ShadowDepths cost with CSM despite aggressive shadow optimization (UE 5.5.4) Blueprint , question , Optimization , unreal-engine	1	72	July 12, 2026
Twisted tunnel material Post-Processing , Rendering , unreal-engine , UE5-0	24	2706	July 11, 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	138	July 10, 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…