Foliage mode instances not rendered until mouse up

UE - World Creation - Worldbuilding Tools - Foliage - Oct 30, 2024

New foliage is not visible when applying the paint tool and only shows up after the painting ends. ...

Reduce the overhead of World Partition cells UObjects on GC

UE - World Creation - Worldbuilding Tools - World Partition - Oct 30, 2024

Users with large numbers of UObjects (500k+) that are using World Partition want to enable GC actor clustering to handle streaming levels but no performance gains are realized when enabling GC clust ...

LandscapeSplineMeshesActor instances not deleted when World Partition is disabled

UE - World Creation - Worldbuilding Tools - World Partition - Oct 30, 2024

When landscape splines exist in a WP level, LandscapeSplineMeshesActor instances are created to allow streaming of splines. In a non-WP level, splines are components of the landscape actor. When a W ...

Editor Primitives do not render correctly when Composite Editor Primitives is disabled

UE - AI - Oct 29, 2024

When the Composite Editor Primitives setting is disabled, these editor primitives do not render correctly. In specific, ZoneGraph editor primitives do not render with a colour. This appears to be t ...

Property Editors fail to import text values for FKeys within array/set/map containers when the key is identified by some valid non-alphanumeric characters

UE - Gameplay - Input - Oct 28, 2024

The FKey structure represents a user action input such as a keyboard key, a mouse button/wheel, or a gesture in VR. For the keyboard, it can represent any pressable key, such as letters, numbers, sy ...

Objects animated in Sequencer fail to trigger collisions against stationary characters with character movement components

UE - Gameplay - Player Movement - Oct 22, 2024

When an object, such as a cube, is animated in sequencer and that object's path intersects a stationary character with a character movement component, the object will pass through the character with ...

Blueprints breakpoints in a For-Loop stops execution only once when the blueprint asset is from a project template

UE - Framework - Blueprint Runtime - Oct 18, 2024

This issue occurs when placing a breakpoint inside a loop in a blueprint's Event Graph or Function Graph. The breakpoint is only triggered once, even though the loop should continue executing. When ...

A GeometryCollection that was broken and is going through shrinking will reset the size of its particles if a second level is broken

UE - Simulation - Physics - Destruction - Oct 18, 2024

Might relate to issue [Link Removed] - "The Remove-On-Break feature, set on Fracture Mode on Geometry Collections, stops shrinking and shows strange behaviors" The added information on this particu ...

Scrolling through the ListView inadvertently displays duplicate elements

UE - Editor - UI Systems - UMG - Oct 17, 2024

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.  ...

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

UE - Framework - Components - Oct 15, 2024

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 ...