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…	2343	142569	February 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15393	November 17, 2021
Prevent rendering stop when headset is not worn (Oculus) VR , question , Rendering , unreal-engine , Render , oculus-vr	9	1219	February 26, 2026
Intermittent D3D12 UniformBuffer Access Violation Crash in UE 5.5.4 Packaged Builds question , crash , unreal-engine	5	481	February 26, 2026
Changing the camera perspective for video mapping project question , unreal-engine	0	4	February 26, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	5	139	February 26, 2026
Raytracing Shadow Falloff Distance, adjustable? UE4-26 , unreal-engine	13	3979	February 25, 2026
Epic's GPUlightmass unreal-engine	846	70771	February 25, 2026
Render settings RTX 3070 question , unreal-engine	1	10	February 25, 2026
Render and timeline question , unreal-engine , Render	0	8	February 25, 2026
Fix GPU crash in ScreenProbeCompositeTracesWithScatterCS LumenScreenProbeGather question , unreal-engine , Epic-Pro-Support	5	48	February 25, 2026
[Material] How to achieve stylized edge highlighting automagically question , Shaders , unreal-engine	2	839	February 25, 2026
Nanite on Landscape Breaks Landscape Spline Meshes on 5.6 Nanite , question , Landscape , Rendering , landscape-splines , unreal-engine	1	13	February 25, 2026
DumpGpu Open Empty question , unreal-engine	2	62	February 25, 2026
Streaming Method wont turn on with texture. unreal-engine	4	1971	February 25, 2026
Niagara VFX and Nanite Mesh Render unreal-engine	0	11	February 25, 2026
Niagara Mesh Rendering - Nanite path question , unreal-engine , Epic-Pro-Support	4	149	February 25, 2026
Rectangular Light Affecting Objects Behind It in UE5 – Need Help question , Rendering , unreal-engine	4	150	February 25, 2026
Motion blur produces artifacts in first person question , unreal-engine	12	752	February 25, 2026
Find Collision UV node doesn't work Blueprint , question , nodes , uv , unreal-engine , line-trace	20	7974	February 24, 2026
How do I remove TAA jitter in global shader? question , Shaders , Anti-Aliasing , unreal-engine , shader , Global-Shaders	0	19	February 24, 2026
Megalights issue: glitter/sparkle effect in 5.7.3 on unlit materials and collision edges. Any solution? question , bug-report , unreal-engine	9	73	February 24, 2026
Flour poured in a bowl Niagara question , unreal-engine	1	20	February 24, 2026
Groom reacts to light by jagging question , bug-report , unreal-engine	0	13	February 24, 2026
Tree shadow flickering issue unreal-engine	0	14	February 24, 2026
Unreal Engine 5.6 – Nanite Trees Painted with Foliage Tool Don't Cast Shadows When WPO Is Enabled question , unreal-engine , Foliage-Tool	42	3291	February 24, 2026
What is better for performance? Parallax mapping or nanite mesh with a lot of polys? question , unreal-engine	44	5857	February 24, 2026
exr renders question , Rendering , unreal-engine	0	15	February 24, 2026
Parallax Occlusion Mapping on mobile question , heightmap , unreal-engine , Mobile , parallax , materials-textures	9	3031	February 24, 2026
Glass material with light dispersions/chromatic aberration/RGB Refraction split? question , unreal-engine	11	755	February 24, 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…