ListView does not update properly when game is paused

UE - Editor - UI Systems - Slate - Oct 12, 2021

The ListView widget currently depends on the UWorld's timer manager to fire an event indicating new entries have been generated (see UListViewBase::FinishGeneratingEntry). This can become a problem ...

ETraceTypeQuery and EObjectTypeQuery not fully exposed to Python

UE - Editor - Framework - Python - Oct 5, 2021

The ETraceTypeQuery and EObjectTypeQuery enums declared in EngineTypes.h aren't fully exposed to Python. Both enums have 32 entries, but Python is only aware of the first 2 for ETraceTypeQuery and t ...

Implied Decal Blend Modes don't account for static ignore-switch parameters in an expected way

UE - Rendering - Sep 28, 2021

The desired behavior from a user perspective here is that they'd be able to use Static Switches in a decal master material to toggle different features and behaviors. In the above setup, if I set th ...

Implied Decal Blend Modes don't properly account for Material Attributes usage

UE - Rendering - Sep 28, 2021

I've attached a project with the necessary materials that demonstrate this issue. I would expect that just because a Set Material Attributes node is inside a material graph it wouldn't affect the de ...

Light does not affect landscape splines in raster pipeline (non-RT)

UE - LD & Art - Modeling Tools - Landscape - Sep 9, 2021

Landscape is deformed on Mobile preview

UE - LD & Art - Modeling Tools - Landscape - Sep 8, 2021

Runtime import, does not generate proper materials

UE - Editor - Datasmith - Importer - Sep 1, 2021

The models are darker than the one loaded directly in editor Left runtime, right editor [Image Removed][Image Removed] [Image Removed][Image Removed] You can find some details here from a udat ...

Using "Windows + Up Arrow" does not work before clicking window or change inputmode to UI or GameAndUI

UE - Editor - UI Systems - Aug 19, 2021

"Win and Up Arrow" is shortcut for changing to fullscreen mode, but it does not work properly before clicking window or change input mode to UI or GameAndUI. probably, Win API caused this issue, an ...

Vertex Interpolators broken in landscape materials

UE - LD & Art - Modeling Tools - Landscape - Aug 17, 2021

D:/Unreal/UE4_Release-4.27/Engine/Shaders/Private/LandscapeVertexFactory.ush(788,3-59): Shader FDebugViewModeVS, Permutation 0, VF FLandscapeVertexFactory[Image Removed]:/Unreal/UE4_Release-4.27/Eng ...

Crash when adding a streaming level to the world through Python

UE - LD & Art - World Building - World Composition - Aug 3, 2021

When using the Python plugin to add an existing level as a streaming level, the editor crashes. It seems that this happens regardless of what level is added or what the contents of that level are. A ...