Topics tagged unreal-engine

Topic	Replies	Views	Activity
Lumen GI and Reflections feedback thread Rendering 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…	2371	150167	May 22, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions Rendering unreal-engine	29	15629	November 17, 2021
Camera Shift / Vertical perspective issue in Archviz Rendering question , Camera , Rendering , unreal-engine , perspective , camera-view	3	1601	June 10, 2026
Viewports turned black after dropping sprite into content broswer Rendering question , bug-report , unreal-engine	3	24	June 10, 2026
UE5.7 Enabling Path Tracer Adaptive Sampling causes movie render to crash Rendering question , unreal-engine	0	9	June 10, 2026
How can I create a pre-baked lighting room prefab in UE4? Rendering question , Lighting , Lightmass , Rendering , unreal-engine , Render , Lightmap , prefab	2	41	June 10, 2026
How do I prevent an emissive material from lighting the environment? Rendering question , unreal-engine	1	36	June 9, 2026
Screen Space GI with TAA produces temporally unstable speckle noise Rendering unreal-engine	1	19	June 9, 2026
Material/local shading jitters during camera pulse movement Rendering unreal-engine	0	18	June 9, 2026
Light/volumetric contribution flickers during camera movement Rendering unreal-engine	0	15	June 9, 2026
SceneCapture2D appears to cause main viewport flicker in a static scene Rendering unreal-engine	0	13	June 9, 2026
Spotlight contribution shows ring/banding artifacts during slow camera movement Rendering unreal-engine	0	10	June 9, 2026
Isolated colored light spots appear/disappear in lighting/reflection views Rendering unreal-engine	0	13	June 9, 2026
When rendering with Sequencer, why does a building actor that I've already deleted from the level still show up in the final render? Rendering question , unreal-engine	2	36	June 9, 2026
High-frequency stripe material shimmers and destabilizes nearby reflections Rendering unreal-engine	0	12	June 9, 2026
Decals pop in/out during camera movement Rendering unreal-engine	0	7	June 9, 2026
Thin bars/fences flicker or have inconsistent visibility in reflections Rendering unreal-engine	0	11	June 9, 2026
Emissive objects leave ghosted/flickering contributions in mirror reflections Rendering unreal-engine	0	12	June 9, 2026
Landscape painting Roughness texture issue - Roughness not applying correctly Rendering question , unreal-engine , landscape-painting	1	23	June 9, 2026
Need Shadow Catcher / Matte Shadow Rendering Rendering , unreal-engine	21	3810	June 9, 2026
MegaLights feedback thread Rendering Lighting , Rendering , unreal-engine , MegaLights	337	20510	June 9, 2026
Path Tracing Render Crashes on Large Project (RTX 4080 Super, 64GB RAM) Rendering question , unreal-engine	10	476	June 8, 2026
[UE5.7] Heterogeneous Volumes - Border artifacts Rendering unreal-engine	0	23	June 8, 2026
Baked volumetric lightmap has lower quality than 5.8 lumen Irradiance field Rendering question , unreal-engine	2	60	June 7, 2026
Scene Capture 2D transparent background Rendering question , unreal-engine , transparency , Scene-Capture , UMG	11	10936	June 7, 2026
Trim progress bar using alpha Rendering question , unreal-engine	2	68	June 7, 2026
Can 4.5 Video Textures support alpha channels? Rendering question , texture , unreal-engine , alpha , video , channel , Media-Framework	18	5430	June 7, 2026
Colorful dots in render Rendering question , unreal-engine	4	85	June 7, 2026
Windy foliage jittering in Path Tracer Rendering unreal-engine	2	57	June 7, 2026
TAA + Screen Space GI causes reflected light to flicker on glossy surfaces Rendering unreal-engine	0	21	June 7, 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…