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	165542	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	16238	November 17, 2021
Ray Tracing PSO Issue with Imported Mesh question , unreal-engine , Path-Tracing	5	30	October 4, 2026
smoth corners - round edges on materials unreal-engine	19	25290	October 3, 2026
Consistent GPU crash after upgrading to 5.8 unreal-engine	9	613	October 2, 2026
Material not rendering properly question , unreal-engine	0	13	October 2, 2026
Help rendering god rays, caustics, and underwater scenes question , unreal-engine	0	14	October 2, 2026
Make Nanite Tessellation ignore object scale question , unreal-engine	8	678	October 2, 2026
UE5.8 Procedural Vegetation/Megaplants Shadow Cache Invalidation unreal-engine	2	46	October 2, 2026
Emissive not rendering on a transparent background PNG with movie render queue question , Rendering , unreal-engine , logo , Render , alpha , emissive , sequence , png	12	146	October 1, 2026
Simulating Astigmatism in Unreal Engine question , unreal-engine	1	45	October 1, 2026
How to make glowing assets appear in the engine question , unreal-engine	1	32	October 1, 2026
UE5 Translucency Reflections Limitation or bug? question , bug-report , Rendering , unreal-engine	21	2347	October 1, 2026
Rendering a sprite infront of a certain mesh Blueprint , question , unreal-engine	3	42	October 1, 2026
How do I remove ambient occlusion dithering? question , unreal-engine	1	38	September 30, 2026
How can UE 5.5.4 reliably attribute controller-driven Niagara GPU smoke activity to specific systems and correlate it with CSV Profiler captures for automated regression testing? question , unreal-engine	0	24	September 29, 2026
Epic's GPUlightmass unreal-engine	1032	88051	September 29, 2026
Incorrect Rendering results with Negative Scale When Using Packaged Level Actor / FastGeo ISMTransformer unreal-engine , hism	0	24	September 29, 2026
Megascans trees with nanite and virtual shadow maps glitch Nanite , Shadows , unreal-engine , trees , Raytracing , Megascans	5	901	September 28, 2026
invisible objects/part of objects behind a invisible wall Blueprint , question , Rendering , unreal-engine , transparency	5	1900	September 28, 2026
Having issues using Quixel Megaplants/Nanite Foliage with Pathtracer? Nanite , Foliage , skeletalmesh , unreal-engine	6	330	September 28, 2026
how to: Realistic crystal ball (Curved transparent glass surfaces) question , UE4 , Lighting , unreal-engine	2	1786	September 28, 2026
Jagged Shadows question , unreal-engine	4	115	September 27, 2026
Trying to make a shader that looks like old school RuneScape in UE 5.8.2 question , unreal-engine	1	54	September 26, 2026
Path Tracer question , twinmotion	0	24	September 26, 2026
Static Mesh Actor disappearing in Game View or Camera Views - Solution unreal-engine	1	1196	September 26, 2026
Loading loose files (uasset/uexp/ubulk) question , unreal-engine , Epic-Pro-Support	3	398	September 26, 2026
Path tracing render with ACEScg color profile create noise on the highlights question , Rendering , unreal-engine	2	496	September 26, 2026
How to fix MRQ Output? question , unreal-engine	1	30	September 26, 2026
Depth Fade fog bug question , unreal-engine	0	25	September 24, 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…