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	164678	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	16183	November 17, 2021
Emissive not rendering on a transparent background PNG with movie render queue question , Rendering , unreal-engine , logo , Render , alpha , emissive , sequence , png	7	99	September 24, 2026
Jagged Shadows question , unreal-engine	3	77	September 24, 2026
Trying to make a shader that looks like old school RuneScape in UE 5.8.2 question , unreal-engine	0	20	September 24, 2026
Depth Fade fog bug question , unreal-engine	0	13	September 24, 2026
Distance Field shader doesn't appear in editor but does when changing values question , unreal-engine	0	13	September 24, 2026
Enabling Nanite on AnimToTexture Crowd Assets causes stretched VAT animations. question , unreal-engine , Epic-Pro-Support	14	788	September 24, 2026
Epic's GPUlightmass unreal-engine	1015	87238	September 24, 2026
5.5 baked lightmaps error question , unreal-engine	19	1449	September 23, 2026
Title: Persistent Lumen GI Ghosting / Smearing on Moving Objects Despite Velocity and CVar Adjustments Unreal Engine Version: [5.7.4] question , unreal-engine	2	193	September 23, 2026
How to capture scene depth into an image and then sample it? UE4-27 , question , Shaders , Rendering , unreal-engine , Render	8	8262	September 23, 2026
How to set Niagara Volumetric translucent shadow in blueprint? question , unreal-engine	1	70	September 23, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	820	53512	September 22, 2026
Point cloud visualization with particle system question , unreal-engine , Epic-Pro-Support	8	268	September 22, 2026
Geometry-Based Armor Occlusion / Spatial Mapping to a Character Skeletal Mesh question , unreal-engine	5	105	September 22, 2026
Visible splits in lumen reflections(the rendered frame) when using large screenpercentage Lumen , question , Rendering , unreal-engine	5	101	September 22, 2026
[UE 5.7.3] Sharing a workaround for GPU crash caused by Niagara ribbon renderer in Split-screen play crash , split-screen , splitscreen , gpu , unreal-engine , dx12	0	32	September 22, 2026
How to fix MRQ Output? question , unreal-engine	0	15	September 21, 2026
Nanite Foliage tanks CPU Performance in USkinnedMeshComponent::TickComponent question , unreal-engine , Epic-Pro-Support	25	541	September 21, 2026
Screen Space Reflection worse in 5.7 compared to 5.3 question , unreal-engine	0	32	September 21, 2026
Tone mapper in unreal engine FeatureRequest , Shaders , Post-Processing , Rendering , unreal-engine , Post-Process , Tonemapping , unreal	3	382	September 21, 2026
Experimenting with alternative tonemappers while keeping Unreal's color grading workflow Shaders , Post-Processing , Rendering , unreal-engine , Post-Process , Tonemapping , Color-Grading	2	66	September 21, 2026
Consistent GPU crash after upgrading to 5.8 unreal-engine	8	546	September 20, 2026
Failed lighting build on mac in 5.7 question , unreal-engine	5	155	September 20, 2026
Lightmass not Working In Unreal 5.7 on Mac unreal-engine , Lightmap	5	391	September 20, 2026
[Nanite] Support of Nanite Foliage usd file from speedtree ? question , unreal-engine , Epic-Pro-Support	3	285	September 20, 2026
Serious Lighting Issues unreal-engine	1	90	September 19, 2026
Linux (Vulkan / RADV): Viewport flickering, black missing meshes & "outdated swapchain" spam (RX 6600) Linux , question , editor , Rendering , issue , unreal-engine , vulkan	1	71	September 19, 2026
Delayed Lumen lighting updates when a character rotates toward a movable light during a Sequencer cinematic question , unreal-engine	1	57	September 19, 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…