Lumen GI and Reflections feedback thread
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2174
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115651
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July 11, 2025
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HDRI Backdrop Lighting issue or Not working in Build.
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3
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1587
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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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37
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July 8, 2025
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Electric dream overcast lighting
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5
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62
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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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28
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July 8, 2025
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ArchViz Lighting Setup
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0
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30
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July 6, 2025
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Surface Cache Transparent Artifact
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0
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15
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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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206
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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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52
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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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30
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June 19, 2025
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Virtual Shadow Map Blocky Flickering UE 5.3.2
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3
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52
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June 19, 2025
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How do distance fields get generated and how do they differ from the actual geometry?
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1
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27
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June 16, 2025
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Mirror reflections with splodges/noise
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8
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111
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June 16, 2025
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GPU crash error, Project not opening :-\
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0
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15
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June 15, 2025
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Lumen Far Field problems
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0
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30
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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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43
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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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26
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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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2250
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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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2193
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June 6, 2025
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UE5 LUMEN is there a way to stop emissive materials from casting light?
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12
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6806
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June 6, 2025
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How do I get rid of this ghosting caused by Lumen GI?
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26
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11817
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June 5, 2025
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Ghosing on render unreal engine 5.6
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0
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23
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June 4, 2025
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Lumen, shadow noise, foliage and performance
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18
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225
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May 27, 2025
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Lumen - Material Pass Replace Node
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16
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9478
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May 27, 2025
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How to optimize dynamic lighting performance in Unreal Engine 5?
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1
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54
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May 20, 2025
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Grass still not blending well with landscape using RVT
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7
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111
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May 15, 2025
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Problem with light source
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1
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29
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May 10, 2025
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Virtual Shadow (Pixelated shadows) ??
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5
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91
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May 9, 2025
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UE5 Preview 1 - Transluscent materials not behaving as expected
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14
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7595
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May 8, 2025
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Jagged Shadows with High Focal Lengths.
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3
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32
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April 25, 2025
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