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…	2344	143688	March 1, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15428	November 17, 2021
Epic's GPUlightmass unreal-engine	859	71377	March 11, 2026
Green lightmap density still blocky shadows question , unreal-engine	5	34	March 11, 2026
Skylight Broken question , unreal-engine	4	29	March 11, 2026
Megalights issue: glitter/sparkle effect in 5.7.3 on unlit materials and collision edges. Any solution? question , bug-report , unreal-engine	10	86	March 11, 2026
TSR Ghosting after color grading question , unreal-engine , Epic-Pro-Support	6	146	March 11, 2026
Scene Capture/Render Target view Causes Niagara Flickering Issue question , Rendering , unreal-engine	5	1215	March 11, 2026
Issue with Lightmaps on VR Quest deploy unreal-engine , Lightmap , oculus-quest	0	14	March 11, 2026
Global Illumination Scalability Performance Issue when switching from Epic or High to Low or Medium question , bug-report , unreal-engine	0	20	March 11, 2026
Difference between Differences between texture sample and texture object? unreal-engine	7	35610	March 11, 2026
Spotlight inside of Blueprint doesnt make shadows unreal-engine	15	4413	March 11, 2026
Exponential Height Fog doesn't appear in scene capture 2D component render Blueprint , question , unreal-engine , Scene-Capture , Exponential-Height-Fog	0	6	March 10, 2026
[Feature Request] AGX Tone mapper in unreal engine FeatureRequest , Shaders , Post-Processing , Rendering , unreal-engine , Post-Process , Tonemapping , unreal	0	17	March 10, 2026
How do I make a opacity mask on Nanite objects? question , unreal-engine	6	18	March 10, 2026
Does Fortnite support deferred shading on mobile? question , Rendering , Forward-Rendering , fortnite , unreal-editor-for-fortnite , UEFN	5	34	March 10, 2026
Ghosting effect in when rendering? (also in the editor) question , unreal-engine	0	9	March 10, 2026
Weird Difference Between SM5 and SM6? question , unreal-engine	4	35	March 10, 2026
Unreal post Process look different in render question , Post-Processing , unreal-engine , shading	4	33	March 10, 2026
Shadow issue. Lumen/VSM question , unreal-engine	0	12	March 10, 2026
Screen Rendering Black UNLESS Level Sequence Is Opened While Debugging (UE 4.27) question , unreal-engine	2	3	March 10, 2026
Show actor in scene capture only question , unreal-engine	2	22	March 10, 2026
How to prevent SkyAtmosphere appearing in scene captures? unreal-engine	6	1783	March 9, 2026
UE5 PC black screen and 100% fans question , unreal-engine	2	15	March 9, 2026
Metallic value shown in Ray Tracing Debug visualization appears gamma corrected compared to the actual input value question , viewport , Debugging , unreal-engine , Ray-Tracing , metallic	0	12	March 9, 2026
Trees and grass create shadows that glare, create noise and shimmer. question , unreal-engine	4	75	March 9, 2026
Shot/Camera "no shot" When Rendering Level Sequence in Movie Render Queue question , Rendering , unreal-engine , Render , UE5-0	36	16294	March 9, 2026
Packed Level Actors or Level Instances with baked lightmaps question , editor , Rendering , unreal-engine	7	1155	March 8, 2026
WPO shadow bug when used in Instant static mesh question , bug-report , unreal-engine	0	17	March 8, 2026
Twinmotion 2025 crashes on Path Tracer export above 2K (worked fine in 2024) question , twinmotion	16	742	March 8, 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…