Unreal Engine Issues

Scrolling through the ListView inadvertently displays duplicate elements

When a ComboBox is set as elements in a ListView, it can see that the option is set to the wrong element when selecting the ComboBox.  ...

InstanceLocalBounds is lost when calling GetCustomUniformBufferResource

Looks like he data is being lost along the chain from our call to GetCustomUniformBufferResource and is erased in both FPrimitiveSceneProxy::UpdateUniformBuffer and in FPrimitiveSceneShaderData::Bui ...

DBuffer decals in mobile multi view flicker in left eye

A Packaged build that has had an Editor Only Component added to one of its Blueprints logs a false positive warning - USimpleConstructionScript::FixupRootNodeParentReferences()

A Packaged build that has had an Editor Only Component added to one of its Blueprints logs a false positive warning in USimpleConstructionScript::FixupRootNodeParentReferences(): USimpleConstructio ...

Actor foliage does not respect "foliage.CullDistanceScale"

Actor foliage does not respect the "foliage.CullDistanceScale" console variable. This was brought up in a UDN: [Link Removed] ...

Nanite foliage doesn't respect "foliage.MaxEndCullDistance"

Nanite foliage static meshes do not respect the "foliage.MaxEndCullDistance" console variable setting. This was brought up in a UDN: [Link Removed] ...

Ghosting effect of fast moving objects in Lumen

In Standalone mode, when reading world partition actor descriptors for BP actors, "bIsSpatiallyLoaded" receives its value from the native base class instead of the BP class, so BP actors are loaded/unloaded based on the wrong condition.

Consider an actor defined in C++ with "bIsSpatiallyLoaded" set to true (the default), and a derived blueprint that overrides "bIsSpatiallyLoaded" to false. Now consider an actor instance of that blu ...

The tooltip of a UPROPERTY enum is not refreshing in UDetailsView

There is an issue with UPROPERTY enums where the tooltip does not update as expected. When the DetailViewWidget is refreshed, the tooltips appear correctly. For example, ToggleShowingOnlyAllowedPro ...

The Remove-On-Break feature, set on Fracture Mode on Geometry Collections, stops shrinking and shows strange behaviors

The Remove-On-Break (ROB) feature, set on Fracture Mode on Geometry Collections (GC), was supposed to make the particle shrink until it vanishes. When the GC goes to sleep the shrinking stops and sh ...