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…	2355	146670	March 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15529	November 17, 2021
Epic's GPUlightmass unreal-engine	892	73654	April 28, 2026
Is there any way to disable self-shadowing? question , Shadows , unreal-engine	6	10276	April 28, 2026
How to make worldspace UI ignore anti aliasing? question , unreal-engine	2	32	April 28, 2026
How to fix post process material (after tonemapping) gamma issue with renders? question , unreal-engine	1	39	April 27, 2026
[D3D12] ResourceBarrier State Mismatch Error in DispatchRays (Lumen + RDG) question , Rendering , unreal-engine	2	84	April 27, 2026
Mesh edge pixelated question , unreal-engine	5	79	April 27, 2026
MRQ Panoramic Rendering blurry (UE 5.7) question , unreal-engine	1	27	April 27, 2026
Precomputed Visibility simply not working question , unreal-engine , Epic-Pro-Support	9	112	April 27, 2026
UE5 encounters errors when rendering with MRQ question , Rendering , unreal-engine	0	18	April 27, 2026
UE 5.7.4 - Lumen - As a new object appears on screen from behind another, black lines appear question , editor , unreal-engine	4	34	April 27, 2026
Animated Texture Not Playing in Movie Render Queue question , Rendering , unreal-engine , UE5-0	8	1306	April 26, 2026
UE 5.7.4 - Lumen - As a new object appears on screen from behind another, black lines appear question , editor , unreal-engine	0	27	April 26, 2026
Can you make a Plane FACE the camera via it's Material only? question , Rendering , unreal-engine	5	5377	April 26, 2026
UE 4.27.2: Frequent SetActorTransform calls on StaticMeshComponent freezes rendering but not physics question , unreal-engine	0	10	April 26, 2026
How to create procedural wood in UE? unreal-engine	3	1634	April 25, 2026
UE 5.7.3 - Vulkan Parallel Rendering is broken on AMD gpus question , bug-report , unreal-engine	0	42	April 25, 2026
Level Sequence Rendering Glitch/Bug question , unreal-engine	3	55	April 25, 2026
UE 5.7 – Directional Light Intensity Takes Time to Darken Scene question , unreal-engine	4	58	April 25, 2026
Exposure compensation curve crash in standalone. question , crash , curve , unreal-engine , Auto-Exposure	2	17	April 25, 2026
[PROBLEM] Asset become "transparent" with lots of dots in the default light? unreal-engine	2	33	April 24, 2026
Custom raytracing surface shader: Is there any supported path in UE 5.7.4 to supply a custom ray tracing hit group shader for a specific primitive without modifying engine source? question , unreal-engine	0	27	April 24, 2026
Movie Render Graph and Object Ids in 5.5.1 unreal-engine , graph	17	1015	April 24, 2026
Foilage broken... question , unreal-engine	4	28	April 24, 2026
FPS Drops Over Time After Enabling TextureShare Plugin in UE 5.7.2 unreal-engine	8	101	April 24, 2026
Random Ray Tracing Crashes in D3D12RHI question , unreal-engine , Epic-Pro-Support	6	150	April 24, 2026
UE 5.7 – Substrate + Clear Coat + Lumen HWRT causes colorfill square artifact question , bug-report , unreal-engine	3	74	April 24, 2026
Title: Persistent Lumen GI Ghosting / Smearing on Moving Objects Despite Velocity and CVar Adjustments Unreal Engine Version: [5.7.4] question , unreal-engine	1	26	April 24, 2026
Substrate material: Black artifacts in "Substrate Horizontal Blend" section question , unreal-engine	0	22	April 24, 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…