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…	2336	141133	February 7, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15344	November 17, 2021
Epic's GPUlightmass unreal-engine	827	69851	February 8, 2026
Static Lights broken after upgrading from 5.4 to 5.6 question , unreal-engine	2	22	February 8, 2026
PSA/Bug Report - Path Tracer Alpha Artifacts unreal-engine	0	6	February 7, 2026
Apply Scalability Settings Not Working Blueprint , question , editor , Rendering , unreal-engine	2	13	February 7, 2026
5.7——Resolution Settings Issue in Unreal Engine question , unreal-engine	0	3	February 7, 2026
Regression with RecomputeTangents on SkeletalMeshes in 5.6 question , unreal-engine , Epic-Pro-Support	4	159	February 7, 2026
Omnidirectional Light or Point Directional-Light - Trying to achieve realistic solar system lighting. Blueprint , question , Lighting , Rendering , unreal-engine	6	107	February 7, 2026
Lumen no longer working in UE5.5 DX11 SM5 Lumen , dx11 , unreal-engine	27	3430	February 7, 2026
UV light/black light question , please-help-me , unreal-engine , Post-Process	1	16	February 7, 2026
FRHIMemoryPool::FindFreeBlock failing to find free block when AlignedSize ends up larger than size of pool because Alignment is 176 question , unreal-engine , Epic-Pro-Support	6	87	February 7, 2026
Quest 3 VR - Unreal 5.4.4 - Green objects when packaged question , unreal-engine	0	3	February 7, 2026
"Find Collision UV" always returns zero for Skeletal Meshes Blueprint , question , collision-responses , skeletalmesh , uv , unreal-engine , Trace	56	8965	February 7, 2026
First Person Rendering - Mesh Warping Issue question , Rendering , unreal-engine	0	17	February 6, 2026
Revit 2026 and TM 2025 material glitch in import an Datasmith export question , crash , twinmotion	2	34	February 6, 2026
Runtime Virtual Texture renders black unreal-engine	14	13395	February 6, 2026
Screen Space 3D Widget In Sequencer/Movie Render Queue Blueprint , question , Rendering , unreal-engine , Widget , sequence	1	30	February 6, 2026
Lines after building lights question , unreal-engine	2	26	February 6, 2026
Niagara Grid 3D Gas broken when moving from 5.5 to 5.6 unreal-engine	2	159	February 6, 2026
Error exporting a presentation with animators in version 2025.2!! question , twinmotion	3	53	February 6, 2026
VR mobile resolution unreal-engine , quality , resolution	0	12	February 6, 2026
Nanite Skeletal Mesh Ripping at UV Seams with WPO Displacement Nanite , question , uv , unreal-engine , displacement	0	16	February 5, 2026
Stretching resolution question , unreal-engine , resolution , fortnite	0	11	February 5, 2026
Visible bullet glow over long distance question , unreal-engine	0	11	February 5, 2026
Rendering alpha with .exr file not working UE5.7.1 question , unreal-engine	2	37	February 5, 2026
Niagara Sub UV Animation flipbook shaking!? question , unreal-engine	0	7	February 5, 2026
Lumen, shadow noise, foliage and performance Lumen , Foliage , unreal-engine , performance-issues	20	748	February 5, 2026
Flickering from Screen Probe Gather Temporal Filter question , unreal-engine , Epic-Pro-Support	4	125	February 5, 2026
Circular Light Plane - Emissive/Lumen Settings won't work Lighting , unreal-engine	5	27	February 5, 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…