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	159839	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15941	November 17, 2021
Movie Render Graph Antialiasing issue question , Rendering , unreal-engine	21	205	August 4, 2026
Adapt MetaXR and MetaXRInteraction to UE5.7.3 unreal-engine , oculus-vr , oculus-quest , OpenXR	6	254	August 4, 2026
[Substrate] Blendable GBuffer silently discards F0 chromaticity for dark metals — same F0, different results between legacy-converted and hand-built Slab materials question , Rendering , unreal-engine , Substrate	0	12	August 4, 2026
Why does Nanite not work? question , unreal-engine	3	86	August 4, 2026
Material Layering System problem unreal-engine	2	252	August 4, 2026
UE 5.7 Lumen: View-dependent flickering/pulsing on specific meshes in dark scenes Blueprint , question , unreal-engine	1	40	August 3, 2026
Groom ignores opacity mask input question , Rendering , unreal-engine , Hair , Groom	2	644	August 3, 2026
Loading sublevel causes GPU hitch question , CPP , Level-Streaming , streaming , unreal-engine , level , streaming-level , level-load	3	66	August 3, 2026
Bad performance in the horror sample project level Performance , question , unreal-engine	3	201	August 3, 2026
Getting an error when launching a pre-made project related to Lumen being enabled even though it isin't Lighting , unreal-engine , UE5-0	5	5675	August 2, 2026
creating 3d animation question , twinmotion	0	15	August 2, 2026
Landscape Material problem in from 5.6 to 5.7 question , unreal-engine	0	25	August 2, 2026
Deconstructing & Replicating Wuthering Waves' Post-Process / Anime Shader Model in UE5 question , unreal-engine	0	23	August 1, 2026
How do I do parallax corrected cubemaps? question , unreal-engine	0	25	August 1, 2026
static skylgiht doesnt cast reflection unreal-engine	2	62	July 31, 2026
Flickering lighting / shadows on moving Skeletal Meshes UE4-27 , question , Lighting , Shadows , unreal-engine , flickering	2	1794	July 31, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	21	1670	July 31, 2026
5.6.1版本中,材质编辑器中节点不正常显示内容 question , unreal-engine	0	26	July 31, 2026
Epic's GPUlightmass unreal-engine	974	83536	July 31, 2026
PalWorld Hazy Sky Atmosphere Question UE 4.27.x question , unreal-engine	2	56	July 30, 2026
Gas 3D Explosion Looks Noisy question , unreal-engine	0	26	July 30, 2026
Is Lumen Reflection (with Hardware Raytracing) supported in Split Screen in UE 5.4 question , unreal-engine	6	60	July 30, 2026
UE Revision Control SVN &OCIO question , unreal-engine	0	18	July 30, 2026
unreal5.6 does not allow to freely drag the parameters of material layer instances question , unreal-engine	1	76	July 30, 2026
GPU Scene instance warning question , Rendering , unreal-engine	18	2599	July 29, 2026
Fix for crash changing MaterialQualityLevel question , unreal-engine , Epic-Pro-Support	4	106	July 29, 2026
quest3 VR shows not the same as twinmotion viewport , even with ultra settings question , twinmotion	2	70	July 29, 2026
Consistent GPU crash after upgrading to 5.8 unreal-engine	5	188	July 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…