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…	2332	137530	December 30, 2025
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15245	November 17, 2021
Shipping Build Crahes in DX12, but is fine in DX11. UE5.4.4 unreal-engine	3	17	January 5, 2026
No indirect lighting baked CPU Lightmass 5.7.1 and 5.6.1 question , Lighting , unreal-engine , lighting-problem , baked-lighting	1	5	January 5, 2026
How do you blur the edges of a voronoi noise texture? Blueprint , question , Rendering , unreal-engine	1	8	January 5, 2026
How do I stop my sky from exploding? question , unreal-engine	4	40	January 4, 2026
Static Mesh Shadow question , unreal-engine	1	20	January 4, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	740	38885	January 4, 2026
UE5.7 Windows - UMG text block not fully aligned to center of the screen question , unreal-engine	1	15	January 4, 2026
Epic's GPUlightmass unreal-engine	809	67815	January 4, 2026
Weird viewport flickering/flashing colors bug, can anyone help please? Blueprint , question , unreal-engine	0	4	January 4, 2026
Increasing Indirect Lighting Intensity creates 'flashlight' effect brightening only near camera fortnite , unreal-editor-for-fortnite , fortnite-creative	1	9	January 4, 2026
Need help with weird light artifacts question , unreal-engine	6	28	January 4, 2026
5.7 Landscape paint layer blend issue question , unreal-engine	11	394	January 4, 2026
Ghosting abc animation in unreal using TAA aa question , unreal-engine	10	74	January 3, 2026
Does path tracer support subsurface profile in substrate materials? unreal-engine , subsurface , Path-Tracing , Substrate	0	13	January 3, 2026
Twinmotion Panorama Set Export Fails question , twinmotion	3	11	January 3, 2026
Unreal Engine 5 + DMX Live Control: How to Render Realistic Lighting for Pre-Visualization? question , unreal-engine	2	474	January 3, 2026
RVT showing invalid tiles on terrain after material parameter change. question , unreal-engine , Epic-Pro-Support	20	171	January 2, 2026
Render time 96 hours for 10 seconds video question , Rendering , twinmotion	4	33	January 2, 2026
Metahuman Hair groom in scene capture 2D, UE 5.6 question , unreal-engine	2	120	January 2, 2026
Looks like Lumen support for Dynamic Meshes is coming (possibly in UE 5.5) unreal-engine	2	862	January 2, 2026
UE5.7 renders screen 56.25% smaller than in UE5.4 for game in shipping/packaged build question , unreal-engine	1	28	January 1, 2026
Tips to get same lighting as in static mesh preview viewport question , unreal-engine	1	30	January 1, 2026
Rendering Issue - Weird Glow on my foliage in Unreal 5.7 project question , unreal-engine	3	30	January 1, 2026
Water doesn't appear when playing in editor unreal-engine	2	221	January 1, 2026
Umap does not show up in content browser on new computer unreal-engine	13	10421	January 1, 2026
UE 5.6 Gets stuck at 35% each time question , unreal-engine	3	109	January 1, 2026
I can't find the engine scalability settings anywhere so can someone help? question , editor , unreal-engine	7	1068	December 31, 2025
Out of video memory trying to allocate a rendering resource. Make sure your video card has the minimum required memory, try lowering the resolution and/or closing other applications that are running. Exiting.. in ue5 question , crash , Rendering , unreal-engine	2	63	December 31, 2025

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…