Unreal Engine Issues

Sub Surface Shading Model has Strange Blotch Color Artifacts when Used with a Ambient Cubemap

Sub surface shading model has strange blotch color artifacts when used with ambient cubemap. Since the subsurface profile shading model can't be used with ambient cubemap I wanted to use the regular ...

Broken hair material with light function

Hair Materials do not react to Light Functions in the same way as other Materials. There is a visual difference between a Directional Light at 1 lux with no Light Function and a Directional Light at ...

Desynchronised playback of firstime played SoundWaves with active AudioStreamCaching

The SoundWave in the Content folder of the attached Project has been exported from Nuendo @ 120BPM 4/4, with a duration of exactly 1 Bar. The BP_Audio Actor uses the TimeSynthComponent to provide sa ...

Behavior of Speed Up/Down parameter of Auto Exposure are different.

Brend/Swtch multi PostProcessVolume to handle Auto Exposure with same Speed Up/Down parameter but behavior of Speed Up/Down parameter of Auto Exposure are different. Scene with. Unbounded PostProce ...

Occasional 1-frame UMG render data corruption on Metal

Localization warnings when opening a new project in 4.8.1

There are a couple of warnings that show up in the output log that are dealing with localization when opening up a new project. ...

UE 4.25.1 Offline Installer Display Error

[Image Removed] [Image Removed] ...

Ray traced ambient occlusion is affected by exposure when export from sequencer

Camera viewport hotkeys shouldn't affect Sequencer timeline when the viewport is focused

SceneCapture2d affects Niagara GPU particles with translucency sorting enabled

The issue comes from sorting being abled while having a scene capture actor. The enclosed 7z contains assets relevant to reproducing the issue. ...