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	166062	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	16256	November 17, 2021
nDisplay Movie render Queue -- Stretch issue only for one panel (floor display) question , unreal-engine	1	66	October 8, 2026
nDisplay – Previewing the warped/projected render in-editor during PIE? unreal-engine , interactive-objects , projection , pie , editor-viewports , ndisplay	1	102	October 8, 2026
Movie Render Queue: Missing indirect bounce lighting question , Rendering , unreal-engine	0	14	October 7, 2026
Ray Tracing PSO Issue with Imported Mesh question , unreal-engine , Path-Tracing	7	93	October 7, 2026
How to get rid of aliasing along edges of geometry at shallow angles to camera question , unreal-engine	1	14	October 7, 2026
World Space Widget becomes darker randomly / mouse movement sometimes fixes it Blueprint , fortnite , unreal-editor-for-fortnite	0	5	October 7, 2026
Celestial Vault missing North Offset alignment parity with SunSky, causing a permanent 90-degree world orientation discrepancy. question , unreal-engine	1	71	October 7, 2026
Help With Hexagon Outline material please question , unreal-engine	6	1413	October 7, 2026
Volume Materials and Instanced Stereo? question , unreal-engine	3	106	October 7, 2026
Motion blur ghosting - related to temporal sample AA bug-report , Rendering , unreal-engine , Motion-Blur , movie	2	383	October 7, 2026
Lumen Noisy artifacts when increasing temporal samples unreal-engine	1	514	October 7, 2026
[Android] GPU hang or crash in FVulkanOcclusionQueryPool question , unreal-engine , Epic-Pro-Support	24	293	October 7, 2026
How to make glowing assets appear in the engine question , unreal-engine	2	46	October 7, 2026
Simulating Astigmatism in Unreal Engine question , unreal-engine	3	79	October 6, 2026
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? question , unreal-engine	1	31	October 6, 2026
How do I get a "fake retro" washed-out look in UE5.7 with fully dynamic lighting, without it looking photorealistic? question , Rendering , Graphics , unreal-engine , lightning	1	35	October 6, 2026
Crash when hitting play after re-loading World Partition level with Static Lighting crash , unreal-engine	3	201	October 6, 2026
Material not rendering properly question , unreal-engine	1	46	October 6, 2026
UE5 Render Target looks weird question , unreal-engine	6	160	October 5, 2026
How to Vertex Snap in Unreal Engine 5? question , Landscape , unreal-engine , model , vertex , position , snapping	5	2913	October 5, 2026
Why vertex snapping works so badly in the editor? question , editor , unreal-engine , vertex , snapping	3	563	October 5, 2026
UE 5.7 – Foliage/Grass materials look extremely dark on the unlit side and bad lighting consistency question , Foliage , unreal-engine , lightning	3	95	October 5, 2026
TSR ghosting against a VolumetricCloud the player stands inside — every rejection knob measured, none help question , unreal-engine	0	25	October 5, 2026
Bug Report: GPU remains idle (0-1%) and render time stalls when exporting Lumen video with MP4 video textures twinmotion	0	19	October 5, 2026
How to scale correctly an User Interface material? Blueprint , question , Shaders , UI , Rendering , unreal-engine	2	85	October 4, 2026
smoth corners - round edges on materials unreal-engine	19	25315	October 3, 2026
Consistent GPU crash after upgrading to 5.8 unreal-engine	9	645	October 2, 2026
Help rendering god rays, caustics, and underwater scenes question , unreal-engine	0	28	October 2, 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…