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UE 5.7 – Substrate + Clear Coat + Lumen HWRT causes colorfill square artifact
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5
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302
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October 15, 2026
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Incorrect Rendering results with Negative Scale When Using Packaged Level Actor / FastGeo ISMTransformer
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2
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80
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October 15, 2026
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Epic's GPUlightmass
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1035
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90237
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October 14, 2026
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Distance Field shader doesn't appear in editor but does when changing values
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1
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39
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October 14, 2026
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Emissive not rendering on a transparent background PNG with movie render queue
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14
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214
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October 14, 2026
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UE5.8: Lumen Hardware Ray Tracing shows abnormal lighting and reflection results when running in the Editor on AMD 6000+ series GPUs (images attached). Is there a way to fix this issue?
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2
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90
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October 14, 2026
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Emissive material gone crazy
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6
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131
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October 14, 2026
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World Space Widget becomes darker randomly / mouse movement sometimes fixes it
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2
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27
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October 13, 2026
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Camera Cut binding being Overwritten
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2
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90
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October 13, 2026
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Bug Report: GPU remains idle (0-1%) and render time stalls when exporting Lumen video with MP4 video textures
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1
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50
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October 13, 2026
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Some of my textures wont convert to Virtual Textures
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5
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2842
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October 13, 2026
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NVIDIA® OptiX in UE5?
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3
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3151
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October 12, 2026
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UE5 Emissive materials not casting light
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11
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13543
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October 12, 2026
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Insane flickering with Anti-Aliasing (TAA and TSR) on editor gizmos
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2
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58
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October 12, 2026
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TSR ghosting against a VolumetricCloud the player stands inside — every rejection knob measured, none help
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1
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95
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October 12, 2026
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How do I remove ambient occlusion dithering?
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2
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106
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October 12, 2026
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I can't find the engine scalability settings anywhere so can someone help?
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9
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4086
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October 11, 2026
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[RESOLVED] Metahuman Hair renders on top of translucent materials
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12
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6001
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October 11, 2026
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Parts of mesh invisible
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17
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156
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October 10, 2026
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Movie Render Queue: Missing indirect bounce lighting
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5
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86
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October 9, 2026
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Runtime Virtual texture on landscape. Blur issues.
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2
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67
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October 9, 2026
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Help rendering god rays, caustics, and underwater scenes
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1
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74
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October 9, 2026
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UE 5.8 megaplants error, crash
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6
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471
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October 8, 2026
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Nanite Voxelization is Noisy
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5
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337
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October 8, 2026
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nDisplay Movie render Queue -- Stretch issue only for one panel (floor display)
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1
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76
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October 8, 2026
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nDisplay – Previewing the warped/projected render in-editor during PIE?
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1
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116
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October 8, 2026
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Ray Tracing PSO Issue with Imported Mesh
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7
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149
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October 7, 2026
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How to get rid of aliasing along edges of geometry at shallow angles to camera
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1
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47
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October 7, 2026
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Celestial Vault missing North Offset alignment parity with SunSky, causing a permanent 90-degree world orientation discrepancy.
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1
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78
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October 7, 2026
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Help With Hexagon Outline material please
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6
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1435
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October 7, 2026
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