Focus mode in the Editor does not handle Actors without PrimitiveComponent correctly, treating them as if they were at the origin (0,0,0), skewing the camera placement.

UE - World Creation - Worldbuilding Tools - Nov 18, 2024

Focus mode in the Editor does not handle Actors without PrimitiveComponent correctly, treating them as if they were at the origin (0,0,0), skewing the camera placement. Some Actors like the WorldDat ...

External Actors can hold stale references to Blueprint classes as editted instance properties

UE - World Creation - Worldbuilding Tools - Nov 14, 2024

When a component is removed from a class that exists as an instance with external actors enabled, a deleted BP component on an actor will remain referenced by the instance. Disabling External Actor ...

Actors removed from the world are unregistered both before and after EndPlay

UE - World Creation - Worldbuilding Tools - Nov 5, 2024

Actors that are removed from the world have UnregisterAllComponents called twice. Removal can be caused by unloading a data layer that owns the actor. In cases like exiting the application or destr ...

Actor foliage does not respect "foliage.CullDistanceScale"

UE - World Creation - Worldbuilding Tools - Oct 15, 2024

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

Levels can get stuck in the 'loading' state when using Incremental GC

UE - World Creation - Worldbuilding Tools - Jul 31, 2024

From licensee:"Testing incremental GC on our project we have ran into an issue with level streaming where levels will get stuck in the 'loading' state in packaged builds. The issue appears to be due ...

In ULevelStreamingLevelInstance::UpdateStreamingState, AddToWorld() is called before OnLoadedActorsAddedToLevelPreEvent causing ID clash

UE - World Creation - Worldbuilding Tools - Jul 16, 2024

ULevelStreamingLevelInstance::OnLoadedActorsAddedToLevelPreEvent has a comment that states it must be called before actors are registered with the world, but in ULevelStreaming::UpdateStreamingState ...

LevelEditor: "Replace Actor" marks level as dirty even when using external actors

UE - World Creation - Worldbuilding Tools - Jul 15, 2024

When using external actors, adding/removing/replacing/editing an actor instance inside a level does not cause any modification to the Level package, which helps reduce contention for the map file on ...

can not load all actors when load level with ULevel::LoadAllExternalObjectsTag

UE - World Creation - Worldbuilding Tools - Jun 25, 2024

the udn link:https://udn.unrealengine.com/s/question/0D5QP00000OxDLH0A3/%E9%80%9A%E8%BF%87%E4%BB%A3%E7%A0%81%E6%88%96%E8%80%85%E8%93%9D%E5%9B%BE%E8%8A%82%E7%82%B9%E5%A4%8D%E5%88%B6%E5%85%B3%E5%8D% ...

In BP/Python Editor Utilities, function SetEditorProperty() unexpectedly fails for Actor Reference Properties on External Actors.

UE - World Creation - Worldbuilding Tools - May 19, 2024

As part of the Python and Editor Scripting Tools, it is possible to programmatically set variables in actor instances of the current level just like when using the Details Panel in the Level Editor. ...