Enum editor not adding new enum values

UE - Gameplay - Jul 22, 2019

Blueprint enumeration editor is not adding new enum values. ...

GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used

UE - Graphics Features - Lumen - Sep 18, 2019

GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...

ShouldRender() in USceneComponent Doesn't Check Against IsVisibleInEditor()

UE - Graphics Features - Nov 22, 2019

IsVisible()/IsVisibleInEditor() should be a contribute to the logic in ShouldRender(). NOTE: This code was written during the UE3 life cycle. Found in 4.22 CL#7053642 ...

Game crashes when Panini projection enabled.

UE - Graphics Features - Jan 15, 2020

EditCondition doesn't work on C-arrays

Tools - May 13, 2020

Toggling a bool doesn't enable/disable the elements of the array similarly to how it does for TArray in the details panel. Static arrays should have the same semantics as TArray with regards to edit ...

Crash enabling Stochastic Rect Light with Ray Tracing

UE - Graphics Features - Lumen - Oct 13, 2020

Enabling Stochastic Rect Lights with Ray Tracing causes the project to crash. Reported and tested in version 4.26.0(CL 14419252). Tested and not found in version 4.25.3(CL 13942748).  ...

Recently created projects using the Live Launcher do not show up in Editor Recent Projects menu

UE - Editor - Workflow Systems - May 26, 2021

Recently created Projects not showing up in editor ...

Landscape smooth and flatten tools deform the terrain incorrectly

UE - Graphics Tools - Terrain - Landscape - May 25, 2022

The Landscape smooth and flatten tools can deform the landscape incorrectly causing chunks of the landscape to be removed (see attached image). ...

HighResScreenshot crashes in windows packaged exe

UE - Rendering Architecture - Mar 22, 2023

FHighResScreenShotConfig::Init() sets the materials only in the Editor, due to a #if WITH_EDITOR block. However, the FViewport class exposes the TakeHighResScreenShot to non-editor builds as well, l ...

Separate translucency rendering and material BumpOffset UV issues

UE - Rendering Architecture - Oct 20, 2023

It appears as if the primary screenpercentage is being sent as the screen size to separate translucency materials, even though separate translucency has its own screenpercentage (r.SeparateTransluce ...