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…	2205	117985	August 24, 2025
RAD Game Tools’ Oodle—cross-platform data compression solutions unreal-engine	29	14815	November 17, 2021
SkyLight not working on streaming level editor , unreal-engine , lighting-problem , skylight , pie	0	3	August 25, 2025
Getting dark shadows off of a mesh? question , unreal-engine	2	8	August 25, 2025
VR in 5.6 has a smearing no matter what settings I use unreal-engine , OpenXR	16	624	August 25, 2025
Freeze/Crash in Renderer Since UE 5.6.0 crash , bug-report , unreal-engine	2	53	August 25, 2025
Nanite & Lumen causing visual issues in packaged game? question , unreal-engine	1	9	August 25, 2025
How to properly set up a save/load system in UE5? question , unreal-engine	0	7	August 25, 2025
Crash After Building The Level Lights question , bug-report , unreal-engine	1	10	August 25, 2025
Engine Crashes when encoding Texture after build Lighting question , Textures , unreal-engine , Lightmap , lighting-problem , lighting-build , crashes-editor	1	689	August 25, 2025
Having some weird shadow on my static mesh unreal-engine	2	23	August 25, 2025
White edge on the shadow areas and very low quality and blotchy shadow Rendering , unreal-engine	7	92	August 25, 2025
Unreal 5.5.4 to 5.6.1 - fixing horribly worse shadows? question , unreal-engine	2	26	August 25, 2025
MegaLights feedback thread Lighting , Rendering , unreal-engine , MegaLights	284	12755	August 25, 2025
Visual Bug? Possibly Lumen Related? (with video) question , bug-report , Rendering , unreal-engine	4	22	August 24, 2025
Rectlights and optimization unreal-engine	3	28	August 24, 2025
Unable to turn off lens flares for HDRI backdrop? question , unreal-engine	2	34	August 24, 2025
Metahuman hair reflecting strangely with lumen question , Lighting , Rendering , unreal-engine , UE5-0	30	9395	August 24, 2025
How to use SkyAtmosphereLightDisk Illuminance question , unreal-engine	0	12	August 24, 2025
Sudden FPS Drop, Shadow Depths Spike, and Nanite/LOD Issues Nanite , Lighting , dynamic-lighting , unreal-engine , light , Lightmap , lighting-problem , shadows-problem , performance-issues , GPU-Profiling , landscape-lod , Performance-Profiling	1	8	August 24, 2025
Panoramic Render: Rendering 180° rather than 360° question , unreal-engine	3	350	August 23, 2025
Window material not working how I want it to question , Rendering , unreal-engine	3	20	August 23, 2025
Hi everyone I got this material problem on ue5.6.1, My material looks like its wet and its darker, whats the problem? how can I fix it? question , bug-report , unreal-engine	4	41	August 23, 2025
Outline Post Process Change value Per - Object question , Post-Processing , unreal-engine	0	7	August 23, 2025
Objects are glowing green? question , UE4 , Materials , Lighting , error , unreal-engine	3	1711	August 23, 2025
Adding delay for repeating loop in Material Graph unreal-engine	2	612	August 22, 2025
Specular Scale now Hard-Maxed at 1.0? Lighting , unreal-engine	1	10	August 22, 2025
Content Browser Transparent Textures question , UE4 , content-browser , Textures , unreal-engine , transparency	3	567	August 22, 2025
Setting Overlay Materials at Runtime question , unreal-engine	2	180	August 22, 2025
Grass 'flashing' in EXR Path Trace render + in Lumen too question , unreal-engine	0	5	August 22, 2025

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…

2205

117985

August 24, 2025

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

unreal-engine

29

14815

November 17, 2021

SkyLight not working on streaming level

editor , unreal-engine , lighting-problem , skylight , pie

0

3

August 25, 2025

Getting dark shadows off of a mesh?

question , unreal-engine

2

8

August 25, 2025

VR in 5.6 has a smearing no matter what settings I use

unreal-engine , OpenXR

16

624

August 25, 2025

Freeze/Crash in Renderer Since UE 5.6.0

crash , bug-report , unreal-engine

2

53

August 25, 2025

Nanite & Lumen causing visual issues in packaged game?

question , unreal-engine

1

9

August 25, 2025

How to properly set up a save/load system in UE5?

question , unreal-engine

0

7

August 25, 2025

Crash After Building The Level Lights

question , bug-report , unreal-engine

1

10

August 25, 2025

Engine Crashes when encoding Texture after build Lighting

question , Textures , unreal-engine , Lightmap , lighting-problem , lighting-build , crashes-editor

1

689

August 25, 2025

Having some weird shadow on my static mesh

unreal-engine

2

23

August 25, 2025

White edge on the shadow areas and very low quality and blotchy shadow

Rendering , unreal-engine

7

92

August 25, 2025

Unreal 5.5.4 to 5.6.1 - fixing horribly worse shadows?

question , unreal-engine

2

26

August 25, 2025

MegaLights feedback thread

Lighting , Rendering , unreal-engine , MegaLights

284

12755

August 25, 2025

Visual Bug? Possibly Lumen Related? (with video)

question , bug-report , Rendering , unreal-engine

4

22

August 24, 2025

Rectlights and optimization

unreal-engine

3

28

August 24, 2025

Unable to turn off lens flares for HDRI backdrop?

question , unreal-engine

2

34

August 24, 2025

Metahuman hair reflecting strangely with lumen

question , Lighting , Rendering , unreal-engine , UE5-0

30

9395

August 24, 2025

How to use SkyAtmosphereLightDisk Illuminance

question , unreal-engine

0

12

August 24, 2025

Sudden FPS Drop, Shadow Depths Spike, and Nanite/LOD Issues

Nanite , Lighting , dynamic-lighting , unreal-engine , light , Lightmap , lighting-problem , shadows-problem , performance-issues , GPU-Profiling , landscape-lod , Performance-Profiling

1

8

August 24, 2025

Panoramic Render: Rendering 180° rather than 360°

question , unreal-engine

3

350

August 23, 2025

Window material not working how I want it to

question , Rendering , unreal-engine

3

20

August 23, 2025

Hi everyone I got this material problem on ue5.6.1, My material looks like its wet and its darker, whats the problem? how can I fix it?

question , bug-report , unreal-engine

4

41

August 23, 2025

Outline Post Process Change value Per - Object

question , Post-Processing , unreal-engine

0

7

August 23, 2025

Objects are glowing green?

question , UE4 , Materials , Lighting , error , unreal-engine

3

1711

August 23, 2025

Adding delay for repeating loop in Material Graph

unreal-engine

2

612

August 22, 2025

Specular Scale now Hard-Maxed at 1.0?

Lighting , unreal-engine

1

10

August 22, 2025

Content Browser Transparent Textures

question , UE4 , content-browser , Textures , unreal-engine , transparency

3

567

August 22, 2025

Setting Overlay Materials at Runtime

question , unreal-engine

2

180

August 22, 2025

Grass 'flashing' in EXR Path Trace render + in Lumen too

question , unreal-engine

0

5

August 22, 2025

Development Rendering