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…	2372	151251	June 14, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15652	November 17, 2021
substrate materials wont let me bake gi question , unreal-engine	14	273	June 14, 2026
Global Shader compilation and bundled PSOs usage question , compiling , Shaders , UI , unreal-engine , shader	1	20	June 14, 2026
blurred viewport not matter the type of AA unreal-engine	1	50	June 14, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	801	46209	June 14, 2026
Assist with Visual Technique used in the game Lords of the Fallen (2023) question , unreal-engine	1	23	June 13, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	14	973	June 13, 2026
I can't find the engine scalability settings anywhere so can someone help? question , editor , unreal-engine	8	3081	June 13, 2026
Post Process Input 0 masking Elements question , fortnite , unreal-editor-for-fortnite , fortnite-creative	0	12	June 13, 2026
SceneCaptureComponent2D not applying CineCamera's focal settings correctly UE4-26 , question , unreal-engine , DOF , Scene-Capture	2	945	June 12, 2026
Movie Render Queue vs Legacy Render Movie UE5 question , unreal-engine	1	39	June 12, 2026
Physical Material Masks? unreal-engine	25	13706	June 12, 2026
How do i make a Compression Artifact post-process like Imperfecter? Post-Processing , unreal-engine	2	36	June 11, 2026
Epic's GPUlightmass unreal-engine	922	76866	June 11, 2026
Viewports turned black after dropping sprite into content broswer question , bug-report , unreal-engine	4	64	June 11, 2026
Black Render on second launch after integrating bundled PSO cache question , unreal-engine	0	18	June 11, 2026
Lighting Flickers When Using Color Quantization in Post Process Material question , unreal-engine	0	23	June 10, 2026
Camera Shift / Vertical perspective issue in Archviz question , Camera , Rendering , unreal-engine , perspective , camera-view	3	1611	June 10, 2026
UE5.7 Enabling Path Tracer Adaptive Sampling causes movie render to crash question , unreal-engine	0	25	June 10, 2026
How can I create a pre-baked lighting room prefab in UE4? question , Lighting , Lightmass , Rendering , unreal-engine , Render , Lightmap , prefab	2	53	June 10, 2026
Twin 2026.1 HF crashed - TwinmotionCoockedEditor_Win64_Shipping question , twinmotion	1	63	June 10, 2026
Having an issue editing materials on my external monitor seems to be something getting confused in the difference in resolution question , twinmotion	0	13	June 9, 2026
How do I prevent an emissive material from lighting the environment? question , unreal-engine	1	45	June 9, 2026
Screen Space GI with TAA produces temporally unstable speckle noise unreal-engine	1	32	June 9, 2026
Material/local shading jitters during camera pulse movement unreal-engine	0	32	June 9, 2026
Light/volumetric contribution flickers during camera movement unreal-engine	0	25	June 9, 2026
SceneCapture2D appears to cause main viewport flicker in a static scene unreal-engine	0	18	June 9, 2026
Spotlight contribution shows ring/banding artifacts during slow camera movement unreal-engine	0	18	June 9, 2026
Isolated colored light spots appear/disappear in lighting/reflection views unreal-engine	0	17	June 9, 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…