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	164066	July 25, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	16138	November 17, 2021
Epic's GPUlightmass unreal-engine	1001	86610	September 19, 2026
Jagged Shadows question , unreal-engine	2	31	September 19, 2026
Planar Reflections in 5.6 have wrong eye offsets in VR bug-report , unreal-engine	1	89	September 18, 2026
Vertex color does not work on Skeletal Mesh with Nanite enabled question , unreal-engine , Epic-Pro-Support	5	378	September 18, 2026
Emissive not rendering on a transparent background PNG with movie render queue question , Rendering , unreal-engine , logo , Render , alpha , emissive , sequence , png	3	37	September 18, 2026
Visible splits in lumen reflections(the rendered frame) when using large screenpercentage Lumen , question , Rendering , unreal-engine	4	62	September 18, 2026
Experimenting with alternative tonemappers while keeping Unreal's color grading workflow Shaders , Post-Processing , Rendering , unreal-engine , Post-Process , Tonemapping , Color-Grading	0	18	September 18, 2026
Tone mapper in unreal engine FeatureRequest , Shaders , Post-Processing , Rendering , unreal-engine , Post-Process , Tonemapping , unreal	2	342	September 18, 2026
Why is my completely enclosed static-mesh room light inside? question , unreal-engine	1	45	September 18, 2026
How can I fix Unreal's visual blurriness and make it sharp like unity question , Rendering , Anti-Aliasing , visual , unreal-engine , blurry	3	93	September 18, 2026
Unable to import VDB volume correctly in Unreal Engine 5.6.1 InsideUnreal , question , unreal-engine	1	85	September 17, 2026
[Feature Request] High resolution screenshot for blueprint and material graphs for sharing / samples and tutorials Blueprint , question , unreal-engine	6	4323	September 17, 2026
UE5 Render Target looks weird question , unreal-engine	5	125	September 16, 2026
Delayed Lumen lighting updates when a character rotates toward a movable light during a Sequencer cinematic question , unreal-engine	0	32	September 16, 2026
What's hapen to drivers vulkan in render unreal 5 unreal-engine , fortnite , unreal-editor-for-fortnite , fortnite-creative , epic-for-indies	0	22	September 16, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	819	53096	September 16, 2026
Moving mouse during "Simulate" appears to half/third frame rate. unreal-engine	4	234	September 16, 2026
Discussion of GPU crash in VirtualShadowMapPageOverlap.ush question , unreal-engine , Epic-Pro-Support	3	90	September 16, 2026
Lumen surface cache atlas oversubscribed in UE 5.8 question , unreal-engine	5	573	September 15, 2026
Directional light visible in a tunnel question , unreal-engine	6	114	September 15, 2026
Light banding in UE 5.7 question , unreal-engine	9	192	September 15, 2026
Light Leaking question , unreal-engine	0	45	September 14, 2026
How do i make a Compression Artifact post-process like Imperfecter? Post-Processing , unreal-engine	4	158	September 14, 2026
Linux (Vulkan / RADV): Viewport flickering, black missing meshes & "outdated swapchain" spam (RX 6600) Linux , question , editor , Rendering , issue , unreal-engine , vulkan	0	47	September 14, 2026
nDisplay for Mac OS question , Rendering , unreal-engine	3	514	September 14, 2026
UInstancedStaticMeshComponent::AddInstances does not appear to be adding per-instance previous transforms when enabled question , unreal-engine , Epic-Pro-Support	4	117	September 14, 2026
Fixed: per-instance motion vectors on UInstancedStaticMeshComponent (TAA/TSR ghosting) bug-report , Instanced-Mesh , unreal-engine	0	35	September 14, 2026
Serious Lighting Issues unreal-engine	0	59	September 13, 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…