Lumen GI and Reflections feedback thread
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2218
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118148
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August 29, 2025
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From 5.5.3 to 5.6.1 - Very noticeable flickering and smearing?
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2
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25
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August 28, 2025
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Weird glow around shadows lumen ue 5.5
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1
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43
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August 27, 2025
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Light behaving differently in editor vs stand alone.
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2
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58
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August 15, 2025
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Virtual Shadow Map Blocky Flickering UE 5.3.2
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6
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121
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August 15, 2025
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Lumen is view dependent with nDisplay. How to clear out seams?
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6
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69
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August 14, 2025
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PCG Spline Mesh isn’t affected by Lumen
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0
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15
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August 13, 2025
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Black ghosting bars while rendering
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0
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21
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August 10, 2025
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Height Fog invisible in Ray Traced Reflections.
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3
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313
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August 9, 2025
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N00b advice on static/stationary lighting behavior in Lumen
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1
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28
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August 9, 2025
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broken vr lumen reflection using 5.5
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0
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21
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August 5, 2025
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GPU crash error, Project not opening :-\
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5
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66
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August 2, 2025
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Has anyone else encountered this artifacting issue with lumen renders?
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0
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54
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July 28, 2025
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Global Illumination with Lumen Major Ghosting issue
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2
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206
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July 24, 2025
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How do distance fields get generated and how do they differ from the actual geometry?
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2
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47
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July 23, 2025
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HDRI Backdrop Lighting issue or Not working in Build.
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3
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1663
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July 9, 2025
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The Theseus Ship - short movie
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2
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62
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July 8, 2025
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Electric dream overcast lighting
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5
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77
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July 8, 2025
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Skip Screen Trace Hits on Foliage (Epic Blog Post)
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1
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44
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July 8, 2025
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ArchViz Lighting Setup
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0
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59
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July 6, 2025
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Surface Cache Transparent Artifact
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0
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22
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July 6, 2025
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Critical Lumen Instability in UE5.6: Artistic Control Severely Impacted
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10
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539
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July 3, 2025
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What on earth is happening here? Black artefacts and flickering in Lumen reflections.
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2
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64
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July 3, 2025
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Unreal engine 5: lighting acting strange
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0
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36
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June 19, 2025
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Mirror reflections with splodges/noise
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8
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146
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June 16, 2025
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Lumen Far Field problems
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0
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40
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June 13, 2025
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Egypt Renaissance _ A short film built entirely in UE5
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0
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64
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June 9, 2025
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Path Tracer Get Darker Then Lumen
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1
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37
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June 8, 2025
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Lumen no longer working in UE5.5 DX11 SM5
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22
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2370
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June 7, 2025
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Translucent Materials behind Other Translucent Materials Ignore Refraction
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22
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2342
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June 6, 2025
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