Niagara Oscilloscope hangs indefinitely in cooked build

UE - Audio - Dec 9, 2020

Cooked games will hang on startup when using the Oscilloscope data interface due to an indefinite wait in FNiagaraSubmixListener::UnregisterFromSubmix  When setting GCVarEnableAudioCommandLogging t ...

When set the current language and asset group to different languages, the asset group will not work

UE - Editor - UI Systems - Localization - Nov 22, 2020

When set the current asset group language in a particular process, the asset refers to the "source asset" and output warning log. LogPackageLocalizationCache: Warning: Skipping the cache update for ...

DisplayName Metadata tag is not used in the SCS editor or the My Blueprints window

UE - Gameplay - Blueprint Editor - Nov 12, 2020

This also brings up a good point about how `FName::NameToDisplayString` works. Currently it will only remove a 'b' character if a boolean is given, which leads to inconsistent results throughout the ...

SingleLayerWater with PixelDepthOffset gives wrong refraction

UE - LD & Modeling - Terrain - Water - Oct 29, 2020

We can see refraction gets distorted after we have a bigger PDO value, and it's not because the depth is more shallow, but looks like some kind of scene color texture lookup error. Also, not sure i ...

Animations reset when properties are edited in the details panel and auto-key is turned off

UE - Anim - Sequencer - Oct 15, 2020

When adjusting properties from the details panel, if auto-key is off, animations will reset. In related cases, components can lose their binding, and their properties will turn red. It may be that t ...

Lighting channels not working as expected when enabling Ray Tracing Shadow

UE - Rendering - Lumen - Oct 13, 2020

Non-Ray Tracing Shadows are only cast from lights on meshes assigned to the same Lighting Channel. When enabling Ray Tracing Shadows this is not the case. Lights will still cast Ray Tracing Shadows ...

Inherited Skeletal Mesh Components do not work for Mapping Control Rig Component

UE - Anim - Rigging - Control Rig - Oct 12, 2020

Control Rig Component does not work with inhereited Skeletal Mesh Components. They only work with non inhereited Skeletal Mesh Components. [Link Removed] ...

Depth of field issues on Translucent Materials with Raytracing and DirectX12 enabled

UE - Rendering - Lumen - Oct 9, 2020

With DirectX12 and Raytracing enabled, translucent materials are not showing the correct depth of field.  Reported in version 4.25.3(CL 13942748). Tested and found in versions 4.25.3 and 4.24.3(C ...

Power of two non square Virtual Texture causes crash if you resize it or change it in a Material Instance

UE - Rendering - Oct 7, 2020

Power of two non square texture make UE4 crash in Material Instance and in engine resize when it's set in VT ...