Unreal Engine Issues

Actor attached to child actor fails to serialize as part of map

Attaching other actors to a child actor (actor spawned by ChildActorComponent) fails to serialize correctly as part of the map. The attached actor loads as detached and resets its position back to w ...

TUnion copy constructor causes the editor to assert due to Unrecognized TUnion subtype

The TUnion copy constructor causes the editor to toss an assert due to it claiming that the passed in TUnion is of an Unrecognized TUnion subtype. ...

BP child not overriding parent's mesh in Nativized builds

The mesh on the right is a child of the one on the left, in a non-nativized cooked build it's a sphere, but in a nativized one, it's a cube. Regression: Working: UE4/Main, 4.15 CL 3233043 Broken: U ...

Debug values not updated for parallel eval Animation BPs

The watched values of a level instanced ABP do not update if a.ParallelAnimEvaluation is enabled. ...

Editor vs Runtime: Inconsistent data layer behavior when attaching actors

In editor, data layer system respects the data layer settings for each actor, but at runtime, the condition check is made collectively for each actor cluster, resulting in differences in behavior. ...

Fbx scene re-import is not marking as dirty new asset

Make sure all created and modified asset in a re-import are mark dirty. Creating a collision mesh was dirtying the asset, this is why the bug is only when we are not generating collision mesh. ...

The number of elements in an array remain the same as the default when duplicating an actor

If a user removes elements from an array in an instance of that blueprint in the level and then duplicates the actor (in the level ) containing the array, then the resulting actor will have the orig ...

Screen Space Widget Component offset in Editor Viewport when using Windows Scaling

Using Windows scaling above 100% now causes Screen Space 3D Widgets to be offset. (Pressing F11 for fullscreen or launching will cause widget to appear in correct location) ...

Instances missing when importing .Udatasmith containing Forest pro entities

Combo Box (String) does not work when applied to a 3D widget

Users are not able to get the drop down menu to show up when the combo box is applied to a 3D Widget (World Space) ...