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…	2356	144930	March 26, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15468	November 17, 2021
Weird Issue - transform gizmo showing in movie render UE5.4 question , unreal-engine	0	5	March 29, 2026
Editor suddenly using all system RAM question , crash , unreal-engine , debug , ram	12	664	March 28, 2026
Why does transparency make my material very bright? question , translucent , unreal-engine , transparency	0	6	March 28, 2026
(SceneViewExtension)Copy 3D content scene to UTexture2D question , CPP , unreal-engine	0	7	March 28, 2026
Tilemap Component does not load at launch? UE4-22 , question , Rendering , 2D , unreal-engine , not-working , tile-maps	9	2449	March 28, 2026
MRQ high resolution dark areas unreal-engine	4	324	March 28, 2026
Reduce cost on rendergraphexecute question , unreal-engine	6	27	March 28, 2026
Enabling Megalight causes shadow issues when rotating camera question , Lighting , unreal-engine , lighting-problem , MegaLights	5	238	March 28, 2026
Why are the shadows so jittery when moving? question , unreal-engine	0	12	March 27, 2026
5.6.x & 5.7.x - Movie Render Graph - Double Frames in Outputs - Custom Frame Range question , bug-report , unreal-engine	1	16	March 27, 2026
Black Streaks after switching to Forward Rendering. unreal-engine	1	19	March 27, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	8	303	March 27, 2026
MetalFX on Unreal Engine 5 for macOS question , CPP , Rendering , unreal-engine	1	203	March 27, 2026
Export panorama set to cloud fails twinmotion	4	184	March 26, 2026
Light shafts mesh don't work over water question , unreal-engine	3	36	March 26, 2026
Official DDGI (RTXGI) Plugin Integration Support? (or suggested plug-in/workflow) question , unreal-engine , Epic-Pro-Support	5	253	March 26, 2026
Video memory has been exhausted unreal-engine , UE5-0	115	178213	March 25, 2026
Wierd stripes everywhere in 5.7 question , unreal-engine	1	45	March 25, 2026
Twinmotion freeze when turning on path tracing question , bug-report , Path-Tracer , twinmotion	0	14	March 25, 2026
Black halo around white unlit material Shaders , Graphics , unreal-engine , emissive , unlit	3	154	March 25, 2026
DLSS UE4.27.2 PACKAGE PROBLEM! question , bug-report , nvidia , unreal-engine , Packaging-Error	1	22	March 25, 2026
Is it possible to view Lit + Wireframe at the same time in Unreal Engine? question , unreal-engine	1	21	March 25, 2026
Help Needed - Substrate Glass Appearing differently between Preview and Scene question , unreal-engine , glass , Substrate	2	60	March 25, 2026
Bug in VR Since 5.6 (and 5.7 preview) with Instanced Stereo + Baked Reflection Capture + Deferred Rendering + Post Process Volume unreal-engine	15	643	March 25, 2026
5.7.x - Substrate - Movie Render Queue - Shader Compile Fails every frame - Stutter question , bug-report , unreal-engine	2	40	March 25, 2026
The character's face shows noisy shadows and strange light patterns(lines) in dark place. question , unreal-engine	0	11	March 25, 2026
UE 5.5 - Heavy ghosting offset of my moving object Lumen , question , Rendering , unreal-engine	4	1578	March 25, 2026
After changing RHI to vulkan, this happen unreal-engine	5	72	March 25, 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…