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	151718	June 14, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15665	November 17, 2021
Can you use the radius/scale of an instanced static mesh instance in the material editor? question , Materials , Instanced-Mesh , unreal-engine	7	2696	June 17, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	806	46407	June 17, 2026
Mutable dataless Texture Parameter won't display a runtime-generated Texture2D (from RenderTarget), but works fine with imported textures question , unreal-engine	0	13	June 17, 2026
Need help rendering passes for still frames! question , please-help-me , unreal-engine	0	15	June 16, 2026
Motion Design Cloner's "Mesh" Layout fails in UE 5.6 (Worked in 5.4) question , bug-report , unreal-engine	6	792	June 16, 2026
substrate materials wont let me bake gi question , unreal-engine	16	308	June 16, 2026
Metahuman hair reflecting strangely with lumen question , Lighting , Rendering , unreal-engine , UE5-0	34	11212	June 16, 2026
Ue4 directional light not replicate different times of day for client and server question , UE4 , unreal-engine , day-night-cycle , directional-light , replicating	4	944	June 15, 2026
Lighting Flickers When Using Color Quantization in Post Process Material question , unreal-engine	1	32	June 15, 2026
Large black gaps in AI NavMesh around trees / terrain (Fortnite Creative) question , fortnite , unreal-editor-for-fortnite , fortnite-creative	0	8	June 15, 2026
UE5 Blocky Hard Shadow on the Landscape Lighting , unreal-engine , UE5-0	14	5716	June 15, 2026
Does sky lights get baked when I bake for lighting? question , unreal-engine	8	231	June 15, 2026
Post Process Input 0 masking Elements question , fortnite , unreal-editor-for-fortnite , fortnite-creative	1	27	June 15, 2026
Global Shader compilation and bundled PSOs usage question , compiling , Shaders , UI , unreal-engine , shader	1	33	June 14, 2026
blurred viewport not matter the type of AA unreal-engine	1	63	June 14, 2026
Assist with Visual Technique used in the game Lords of the Fallen (2023) question , unreal-engine	1	31	June 13, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	14	999	June 13, 2026
I can't find the engine scalability settings anywhere so can someone help? question , editor , unreal-engine	8	3110	June 13, 2026
SceneCaptureComponent2D not applying CineCamera's focal settings correctly UE4-26 , question , unreal-engine , DOF , Scene-Capture	2	949	June 12, 2026
Movie Render Queue vs Legacy Render Movie UE5 question , unreal-engine	1	50	June 12, 2026
Physical Material Masks? unreal-engine	25	13719	June 12, 2026
How do i make a Compression Artifact post-process like Imperfecter? Post-Processing , unreal-engine	2	38	June 11, 2026
Epic's GPUlightmass unreal-engine	922	77094	June 11, 2026
Viewports turned black after dropping sprite into content broswer question , bug-report , unreal-engine	4	69	June 11, 2026
Black Render on second launch after integrating bundled PSO cache question , unreal-engine	0	22	June 11, 2026
Camera Shift / Vertical perspective issue in Archviz question , Camera , Rendering , unreal-engine , perspective , camera-view	3	1613	June 10, 2026
UE5.7 Enabling Path Tracer Adaptive Sampling causes movie render to crash question , unreal-engine	0	29	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	54	June 10, 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…