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…	2353	144552	March 22, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15457	November 17, 2021
Lumen tracing reflection rays on Unlit materials question , unreal-engine	1	16	March 22, 2026
How to light this level question , unreal-engine	1	23	March 22, 2026
Editor suddenly using all system RAM question , crash , unreal-engine , debug , ram	11	635	March 22, 2026
Movie Render Queue vs Viewport unreal-engine	0	3	March 22, 2026
Weird Difference Between SM5 and SM6? question , unreal-engine	5	67	March 22, 2026
What happened to the Instanced Static Mesh performance in UE5? question , Rendering , unreal-engine	15	1688	March 22, 2026
How to Get rid of the "Unreal Look"? question , unreal-engine	14	167	March 22, 2026
UE 5.7.x Linux – VK_ERROR_DEVICE_LOST in Vulkan RHI question , unreal-engine	7	256	March 21, 2026
Trying to bring RTXGI to 5.7 unreal-engine	20	2248	March 21, 2026
Material Function stop working when turning Constant 4 vector into vector parameter? question , Materials , material-functions , unreal-engine	8	4153	March 21, 2026
[5.5.3] Lumen Bounce Light in SceneCaptureComponent2D Lumen , question , Global-Illumination , unreal-engine , scenecapturecomponen	1	16	March 21, 2026
Is it Possible to turn off the y axis of screen based reflections with keeping y axis movement for player camera question , unreal-engine	2	22	March 21, 2026
Lighting error and can't get rid of it question , UE4 , Lighting , unreal-engine	3	2349	March 21, 2026
Too many overlapping shadowed movable lights, Shadow casting disabled: DirectionalLight question , Lighting , unreal-engine , directional-light , lighting-problem	6	3579	March 21, 2026
multiple duplicate bake lightmaps question , unreal-engine	2	178	March 21, 2026
BP TO Static mesh issue question , unreal-engine	0	6	March 20, 2026
After changing RHI to vulkan, this happen unreal-engine	1	40	March 20, 2026
When my camera goes near objects it creates a weird light question , unreal-engine	0	9	March 20, 2026
Why TSR 5.1 worked and in 5.5 it is terrible unreal-engine	3	741	March 20, 2026
Substrate - Feedback Thread Rendering , unreal-engine , Physically-Based-Shading , Staff-Pick-UE , Substrate	781	42060	March 20, 2026
Event Possessed triggers without being possessed? Blueprint , question , visibility , unreal-engine , possess , possessing-pawns	16	3894	March 19, 2026
Path Trace DOF pass bug question , unreal-engine , Render-Passes	0	24	March 19, 2026
Black Streaks after switching to Forward Rendering. unreal-engine	0	11	March 19, 2026
Lighting up level without light question , unreal-engine	6	45	March 19, 2026
Laptop recommendation for real-time mocap stream → MetaHuman/custom character → Chaos Cloth question , unreal-engine	0	12	March 19, 2026
Changing AntiAliasing method in runtime make SkeletalMeshes invisible question , bug-report , unreal-engine	1	19	March 19, 2026
Epic's GPUlightmass unreal-engine	867	72021	March 19, 2026
Black blotches on nanite in 5.7 unreal-engine	8	287	March 18, 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…