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…	2380	162792	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	16089	November 17, 2021
NDC (Niagara Data Channel) for continuous effect question , unreal-engine , Epic-Pro-Support	4	296	September 6, 2026
Fullscreen Mode Scaling Issues (Win64) question , unreal-engine , Epic-Pro-Support	3	90	September 6, 2026
Create multiple screens for physical car simulation question , display , unreal-engine , multiple-monitors , multiple-instance , ndisplay	4	940	September 6, 2026
Epic's GPUlightmass unreal-engine	989	85821	September 6, 2026
Nanite Foliage tanks CPU Performance in USkinnedMeshComponent::TickComponent question , unreal-engine , Epic-Pro-Support	25	436	September 5, 2026
No indirect lighting baked CPU Lightmass 5.7.1 and 5.6.1 question , Lighting , unreal-engine , lighting-problem , baked-lighting	6	526	September 5, 2026
Issues with multiple monitors question , unreal-engine , Epic-Pro-Support	4	76	September 5, 2026
How do I set the window size and position in a multi-monitor setup? question , unreal-engine , multiple-monitors	5	2155	September 5, 2026
How to select on which monitor to display the game ? Blueprint , question , display , unreal-engine , screen , resolution , monitor	4	1723	September 5, 2026
Detail Mode Post Process Volume question , unreal-engine	4	61	September 4, 2026
Light banding in UE 5.7 question , unreal-engine	3	61	September 4, 2026
Rendering Issue on a Macbook M2, keeps crashing question , unreal-engine	20	904	September 4, 2026
Low resolution shadow using Virtual Shadow Maps question , Shadows , unreal-engine	8	8423	September 4, 2026
UE5.7 - Fix: Lumen not working for SM5 DX11 and DX12 Lumen , Shaders , unreal-engine , directx	4	800	September 4, 2026
Intermittent D3D12 UniformBuffer Access Violation Crash in UE 5.5.4 Packaged Builds question , crash , unreal-engine	6	919	September 4, 2026
User Scene Textures don't pass through negative values question , Post-Processing , Rendering , unreal-engine	1	38	September 4, 2026
Can I render a video with transparency in UE? question , unreal-engine , Render , transparency , alpha , video , opacity	7	2575	September 3, 2026
Can I import a video with a alpha channel? unreal-engine	2	1155	September 3, 2026
Can 4.5 Video Textures support alpha channels? question , unreal-engine , alpha , video , channel	19	5527	September 3, 2026
is there a chance that PROres and HAP with alpha could be played in ue4 with directx12 enabled ? UE4-25 , question , unreal-engine , alpha	1	336	September 3, 2026
UE5.8 masked material not rendering alpha correctly on sprites question , unreal-engine	5	151	September 3, 2026
Unreal Engine importing prores 4444 premultiplied alpha COLOR ISSUE unreal-engine	1	118	September 3, 2026
Getting transparency to work on image media Sources question , editor , Lighting , Rendering , unreal-engine , video-texture	1	240	September 3, 2026
UE 5.6: Intermittent D3D12 GPU crashes with Shader Instruction Error, hangs, and page faults across Nanite and Base Pass shaders question , unreal-engine	0	39	September 3, 2026
Playing a Video with a Alpha Channel question , unreal-engine , transparency , video	28	20143	September 3, 2026
Groom asset with reflection problem question , characters , unreal-engine , lighting-problem , reflection	1	26	September 2, 2026
Accumulation using legacy preset question , unreal-engine	3	66	September 2, 2026
It is possible to randomize textures on a static mesh taking random image from an external folder? question , unreal-engine , randomize-array , texture-channel	13	2744	September 2, 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…