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	168789	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	16338	November 17, 2021
Screen Space Reflection worse in 5.7 compared to 5.3 question , unreal-engine	2	66	October 20, 2026
UE 5.8 is Hierachical Instance meshes not supported for Lumen? question , unreal-engine	4	87	October 20, 2026
Path Tracing Artifiacts question , unreal-engine	8	68	October 20, 2026
Managing complex lighting workflows in Unreal Engine - Lights, Emissive Materials & Cinematics Blueprint , Rendering , unreal-engine , sequence , lightning , Path-Tracing	0	18	October 19, 2026
UE 5.7 – Foliage/Grass materials look extremely dark on the unlit side and bad lighting consistency question , Foliage , unreal-engine , lightning	4	206	October 19, 2026
Crash when editing a Level Instance with Instanced Stereo enabled question , unreal-engine , Epic-Pro-Support	3	45	October 19, 2026
How to prevent pausing caused by scene capture? question , Rendering , unreal-engine	3	149	October 19, 2026
How do I get a TArray of grayscale pixels from a Render Target question , CPP , Rendering , memory , unreal-engine	2	1081	October 19, 2026
Resource->ReadPixels is very slow... faster way? question , CPP , Rendering , unreal-engine , render-target , rendertarget	18	8850	October 19, 2026
Wierd shadow apears on mesh question , unreal-engine	1	29	October 19, 2026
Light Flickering with Cinematic question , unreal-engine	1	45	October 19, 2026
Unreal Engine Buffers/Passing values. Blueprint , InsideUnreal , question , CPP , Shaders , Post-Processing , Rendering , unreal-engine , Render , buffer , Post-Process , data	3	57	October 16, 2026
Translucent Wall Leaks Light question , unreal-engine	2	44	October 16, 2026
How to adjust the complex collision body to align with the original vertex positions of the grid body question , unreal-engine	2	40	October 16, 2026
Help with static mesh importing very low despite high polygons... question , unreal-engine	1	49	October 16, 2026
UE 5.8 – Skeletal Meshes lose shadows with MegaLights at GI Medium (fix) Lumen , Shadows , unreal-engine , Scalability , scalability-settings , MegaLights	0	68	October 15, 2026
Screen Capture Not Rendering Shadow Blueprint , question , Lighting , Rendering , unreal-engine	5	242	October 15, 2026
How can I extract and export SceneDepth and SceneColor from SceneCapture2D in a Blueprint? question , Rendering , unreal-engine , UE5-0	7	1619	October 15, 2026
Screenshot at runtime without stutter question , CPP , Rendering , unreal-engine , engine	3	1265	October 15, 2026
Read Pixel outputs different results depending on platform? question , unreal-engine , Mobile , render-target , windows , UE-5	10	776	October 15, 2026
UE 5.7 – Substrate + Clear Coat + Lumen HWRT causes colorfill square artifact question , bug-report , unreal-engine	5	300	October 15, 2026
Incorrect Rendering results with Negative Scale When Using Packaged Level Actor / FastGeo ISMTransformer unreal-engine , hism	2	78	October 15, 2026
Depth Fade fog bug question , unreal-engine	3	84	October 14, 2026
Epic's GPUlightmass unreal-engine	1035	90173	October 14, 2026
Distance Field shader doesn't appear in editor but does when changing values question , unreal-engine	1	38	October 14, 2026
Emissive not rendering on a transparent background PNG with movie render queue question , Rendering , unreal-engine , logo , Render , alpha , emissive , sequence , png	14	211	October 14, 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	2	86	October 14, 2026
Emissive material gone crazy question , unreal-engine	6	130	October 14, 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…