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…	2372	151134	June 14, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions Rendering unreal-engine	29	15650	November 17, 2021
substrate materials wont let me bake gi Rendering question , unreal-engine	14	267	June 14, 2026
Global Shader compilation and bundled PSOs usage Rendering question , compiling , Shaders , UI , unreal-engine , shader	1	16	June 14, 2026
blurred viewport not matter the type of AA Rendering unreal-engine	1	50	June 14, 2026
Substrate - Feedback Thread Rendering Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	801	45972	June 14, 2026
Assist with Visual Technique used in the game Lords of the Fallen (2023) Rendering question , unreal-engine	1	22	June 13, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI Rendering question , unreal-engine	14	963	June 13, 2026
I can't find the engine scalability settings anywhere so can someone help? Rendering question , editor , unreal-engine	8	3079	June 13, 2026
SceneCaptureComponent2D not applying CineCamera's focal settings correctly Rendering UE4-26 , question , unreal-engine , DOF , Scene-Capture	2	944	June 12, 2026
Movie Render Queue vs Legacy Render Movie UE5 Rendering question , unreal-engine	1	38	June 12, 2026
Physical Material Masks? Rendering unreal-engine	25	13704	June 12, 2026
How do i make a Compression Artifact post-process like Imperfecter? Rendering Post-Processing , unreal-engine	2	36	June 11, 2026
Epic's GPUlightmass Rendering unreal-engine	922	76844	June 11, 2026
Viewports turned black after dropping sprite into content broswer Rendering question , bug-report , unreal-engine	4	63	June 11, 2026
Black Render on second launch after integrating bundled PSO cache Rendering question , unreal-engine	0	14	June 11, 2026
Lighting Flickers When Using Color Quantization in Post Process Material Rendering question , unreal-engine	0	23	June 10, 2026
Camera Shift / Vertical perspective issue in Archviz Rendering 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 Rendering question , unreal-engine	0	23	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	52	June 10, 2026
How do I prevent an emissive material from lighting the environment? Rendering question , unreal-engine	1	45	June 9, 2026
Screen Space GI with TAA produces temporally unstable speckle noise Rendering unreal-engine	1	32	June 9, 2026
Material/local shading jitters during camera pulse movement Rendering unreal-engine	0	31	June 9, 2026
Light/volumetric contribution flickers during camera movement Rendering unreal-engine	0	25	June 9, 2026
SceneCapture2D appears to cause main viewport flicker in a static scene Rendering unreal-engine	0	18	June 9, 2026
Spotlight contribution shows ring/banding artifacts during slow camera movement Rendering unreal-engine	0	17	June 9, 2026
Isolated colored light spots appear/disappear in lighting/reflection views Rendering unreal-engine	0	17	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	48	June 9, 2026
High-frequency stripe material shimmers and destabilizes nearby reflections Rendering unreal-engine	0	18	June 9, 2026
Decals pop in/out during camera movement Rendering unreal-engine	0	9	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…