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…	2332	140491	February 3, 2026
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	15332	November 17, 2021
Light going through walls question , Lighting , unreal-engine , lighting-problem	11	26	February 4, 2026
Hello, I can't open a widget blueprint. It's impossible. Blueprint , question , bug-report , bug , unreal-engine , unreal-editor-for-fortnite	0	6	February 3, 2026
Epic's GPUlightmass unreal-engine	826	69581	February 3, 2026
Bad raytraced shadows with voxelised Nanite Foliage in 5.7 question , Foliage , unreal-engine , shadows-problem , Raytracing	8	63	February 3, 2026
Splitscreen camera glitch Blueprint , question , Rendering , unreal-engine	0	1	February 3, 2026
UE 5.5 -> UE 5.7 Megalights issue question , unreal-engine	28	1110	February 3, 2026
camera jitter problem when following an object question , unreal-engine	0	5	February 3, 2026
How blending post process materials works and simple setup process unreal-engine	3	1270	February 3, 2026
Substrate Toon Material BSDF node unreal-engine	1	20	February 3, 2026
UE Water plugin not appearing properly in reflection question , unreal-engine	1	293	February 3, 2026
How set the Landscape extent/size to 2048 (Gaea -> UE5 workflow) question , unreal-engine	0	5	February 3, 2026
Time Dilation - Movie render Queue question , unreal-engine	1	184	February 3, 2026
Path Tracer not rendering emissive fog unreal-engine , emissive , volumetric-fog , Path-Tracer	0	10	February 3, 2026
Material Parameter Collection Not Updating Post Processing. question , Rendering , unreal-engine	0	7	February 3, 2026
How to loop a pattern node? question , unreal-engine	1	15	February 2, 2026
Hair Strands Shadows have significant noise question , unreal-engine , Epic-Pro-Support	7	235	February 2, 2026
MetaHuman Groom hair simulates in BP/asset preview, but not in Play (PIE/runtime) Blueprint , question , Rendering , unreal-engine , metahuman	1	18	February 2, 2026
Translucent fog cards disapearing with distance when using post process Post-Processing , translucent , unreal-engine	0	11	February 2, 2026
How do you blur the edges of a voronoi noise texture? Blueprint , question , Rendering , unreal-engine	8	91	February 2, 2026
HDRI Backdrop not working with ExponentialHeightFog question , unreal-engine	0	11	February 2, 2026
Revit 2026 and TM 2025 material glitch in import an Datasmith export question , crash , twinmotion	1	27	February 2, 2026
DOF blurs away hair strands (groom) question , Post-Processing , unreal-engine , DOF , UE5-0	9	5830	February 2, 2026
Why doesn t the foam shader also affect meshes with static mobility question , Rendering , unreal-engine	0	10	February 2, 2026
Baked Lights look awfully bad question , Rendering , unreal-engine , lighting-problem	5	59	February 2, 2026
Trying to bring RTXGI to 5.7 unreal-engine	9	1363	February 1, 2026
Trying to use PostProcessInput0 with substrate enabled question , unreal-engine	1	248	February 1, 2026
Solved : Cant Enable RayTracing in UE5 (gtx 1060)(Nvidia Pascal) unreal-engine , UE5-0	241	39620	February 1, 2026
Per vertex lighting and normal maps question , unreal-engine	6	46	February 1, 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…

2332

140491

February 3, 2026

RAD Game Tools’ Oodle—cross-platform data compression solutions

unreal-engine

29

15332

November 17, 2021

Light going through walls

question , Lighting , unreal-engine , lighting-problem

11

26

February 4, 2026

Hello, I can't open a widget blueprint. It's impossible.

Blueprint , question , bug-report , bug , unreal-engine , unreal-editor-for-fortnite

0

6

February 3, 2026

Epic's GPUlightmass

unreal-engine

826

69581

February 3, 2026

Bad raytraced shadows with voxelised Nanite Foliage in 5.7

question , Foliage , unreal-engine , shadows-problem , Raytracing

8

63

February 3, 2026

Splitscreen camera glitch

Blueprint , question , Rendering , unreal-engine

0

1

February 3, 2026

UE 5.5 -> UE 5.7 Megalights issue

question , unreal-engine

28

1110

February 3, 2026

camera jitter problem when following an object

question , unreal-engine

0

5

February 3, 2026

How blending post process materials works and simple setup process

unreal-engine

3

1270

February 3, 2026

Substrate Toon Material BSDF node

unreal-engine

1

20

February 3, 2026

UE Water plugin not appearing properly in reflection

question , unreal-engine

1

293

February 3, 2026

How set the Landscape extent/size to 2048 (Gaea -> UE5 workflow)

question , unreal-engine

0

5

February 3, 2026

Time Dilation - Movie render Queue

question , unreal-engine

1

184

February 3, 2026

Path Tracer not rendering emissive fog

unreal-engine , emissive , volumetric-fog , Path-Tracer

0

10

February 3, 2026

Material Parameter Collection Not Updating Post Processing.

question , Rendering , unreal-engine

0

7

February 3, 2026

How to loop a pattern node?

question , unreal-engine

1

15

February 2, 2026

Hair Strands Shadows have significant noise

question , unreal-engine , Epic-Pro-Support

7

235

February 2, 2026

MetaHuman Groom hair simulates in BP/asset preview, but not in Play (PIE/runtime)

Blueprint , question , Rendering , unreal-engine , metahuman

1

18

February 2, 2026

Translucent fog cards disapearing with distance when using post process

Post-Processing , translucent , unreal-engine

0

11

February 2, 2026

How do you blur the edges of a voronoi noise texture?

Blueprint , question , Rendering , unreal-engine

8

91

February 2, 2026

HDRI Backdrop not working with ExponentialHeightFog

question , unreal-engine

0

11

February 2, 2026

Revit 2026 and TM 2025 material glitch in import an Datasmith export

question , crash , twinmotion

1

27

February 2, 2026

DOF blurs away hair strands (groom)

question , Post-Processing , unreal-engine , DOF , UE5-0

9

5830

February 2, 2026

Why doesn t the foam shader also affect meshes with static mobility

question , Rendering , unreal-engine

0

10

February 2, 2026

Baked Lights look awfully bad

question , Rendering , unreal-engine , lighting-problem

5

59

February 2, 2026

Trying to bring RTXGI to 5.7

unreal-engine

9

1363

February 1, 2026

Trying to use PostProcessInput0 with substrate enabled

question , unreal-engine

1

248

February 1, 2026

Solved : Cant Enable RayTracing in UE5 (gtx 1060)(Nvidia Pascal)

unreal-engine , UE5-0

241

39620

February 1, 2026

Per vertex lighting and normal maps

question , unreal-engine

6

46

February 1, 2026

Development Rendering