Line traces don't consistently trigger when colliding between landscape components

Physics - Mar 15, 2015

Landscapes do not consistently return "hit" on traces. Lots of AH posts on this topic, and votes on public tracker: [Link Removed] ...

Unable to change/edit elements of Blueprint instances of Actor Component set UObject arrays

Gameplay - Components - Nov 20, 2016

When an array of custom UObjects is defined in an actor component class, blueprint instances of the component class cannot update the array elements. Array elements only update inside the blueprint ...

Blueprint Macro Libraries based on Actor cannot be reparented to Object

Gameplay - Blueprint - Jul 13, 2015

Blueprint Macro Libraries based on Actor cannot be reparented to Object Reproduced in 4.7.6, 4.8.1, and Main (//depot/UE4/Promoted-CL-2605171) ...

Subcomponents of classes do not show up in BP hierarchy

Gameplay - Blueprint - May 8, 2015

If a custom component creates another component in code, the second component does not appear in the hierarchy inside the blueprint menu. It does appear in the hierarchy for an instanced version of ...

Interface functions called as events in Blueprints that implement the interface cannot be set to replicate

Gameplay - Blueprint - Jun 11, 2015

Interface functions called as events in Blueprints that implement the interface cannot be set to replicate. When the event node is clicked, the Details panel is empty. Reproduced in 4.7.6, 4.8, and ...

Strange Behavior of Array of Structs default values

Gameplay - Blueprint - Nov 14, 2016

When the default values of a struct are set in code and an array of the struct type are added as a class variable, creating a blueprint of the class with show array elements with the "reset defaults ...

Blueprints converted to static mesh with negative scales for a component will invert the faces

Tools - Dec 19, 2016

Negative scaled static mesh components in a blueprint will invert their faces when converted to a static mesh. Note that this does not happen in the following situations: If the BP is scaled negat ...

Hierarchy is lost when components are copied from one blueprint to another

Gameplay - Blueprint - Jun 8, 2015

If a user has a list of components with a hierarchy, the hierarchy is lost in the target location if they copy the components to another blueprint. ...

Tilemaps using Isometric Diamond Project Mode has Offset Collision

Gameplay - Paper2D - Oct 27, 2016

When working in the Tilemap editor and changing the Projection Mode from Orthogonal to Isometric Projection, the collision does not translate or update to adopt the projection mode. ...

Event Dispatcher Automatically Targeting Self in Child Blueprint

Gameplay - Blueprint - Oct 10, 2016

When attempting to bind an event in a child blueprint using a variable from the parent blueprint, the target of the assign node is automatically set to self instead of the target variable that you d ...