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	157490	June 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15870	November 17, 2021
How do I remove TAA jitter in global shader? question , Shaders , Anti-Aliasing , unreal-engine , shader , Global-Shaders	1	116	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	48	July 13, 2026
SceneCapture2D causes random frame spikes even with a 64x64 Render Target question , unreal-engine , render-target , fps-drop	0	10	July 13, 2026
Epic's GPUlightmass unreal-engine	939	81454	July 13, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	811	49535	July 13, 2026
Anything Behind Glass Material Draw Distance Is Reduced? question , Rendering , translucent , unreal-engine , glass	1	37	July 13, 2026
Tranlslucency bug in the interior. question , editor , bug-report , unreal-engine	1	31	July 13, 2026
Hair changes to black when changing the view question , unreal-engine	2	81	July 12, 2026
Depth map Broken Movie render queue question , Rendering , please-help-me , unreal-engine , depth , compositing	0	23	July 12, 2026
Submarine Translucent Material VS. Exponential height fog and Volumetric Fog question , unreal-engine	3	91	July 12, 2026
Lumen surface cache atlas oversubscribed in UE 5.8 question , unreal-engine	3	143	July 12, 2026
Very high ShadowDepths cost with CSM despite aggressive shadow optimization (UE 5.5.4) Blueprint , question , Optimization , unreal-engine	1	57	July 12, 2026
Twisted tunnel material Post-Processing , Rendering , unreal-engine , UE5-0	24	2697	July 11, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	19	1427	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	107	July 10, 2026
Niagara 3D Grid Gas - make white like steam question , unreal-engine	5	425	July 10, 2026
[UE5] Anime/Toon/Cel Shading Model (WORKS WITH LAUNCHER ENGINE VERSIONS) Lighting , Rendering , unreal-engine , UE5-0	183	67795	July 10, 2026
UE5.7 Refraction Screen Tearing refraction , unreal-engine , Water	3	73	July 10, 2026
How to Use Texture Group Details With Scalability and Platform Settings question , unreal-engine , Epic-Pro-Support	7	435	July 9, 2026
Weird noise in my Render "Shadow" question , unreal-engine	3	94	July 8, 2026
Artifacts in my render but not in viewport question , unreal-engine	4	113	July 8, 2026
ShadowDepths takes 6-10 ms even with almost all shadow settings disabled (UE 5.5) Blueprint , question , unreal-engine	0	48	July 8, 2026
UE5 Heterogeneous Volume: Low-density Houdini VDB smoke becomes dotted / pixelated question , unreal-engine	0	33	July 8, 2026
树木在拉远后变亮、阴影消失 question , unreal-engine	0	20	July 8, 2026
How to prevent lights occluded from view stopping their lighting question , unreal-engine	0	47	July 8, 2026
How to fix specularity or roughness Issues in 5.8? question , unreal-engine	1	87	July 7, 2026
Luoshuang's GPULightmass unreal-engine	2502	868118	July 7, 2026
how to adjust defocused background seen through the glass objects in unreal 5.8? question , unreal-engine	1	71	July 6, 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…