Unreal Engine Issues

Improve performance when creating multiple Data Layer Instances

Every time AWorldDataLayers::CreateDataLayer is called,  UDataLayerManager::ResolveActorDescContainersDataLayers() gets called and iterates on all actordescs of the world.When creating multiple data l ...

Issue with PLA Editing inside another PLA causes Z-Fighting or Mesh Disappearance.

When editing a Packed Level Actor (PLA) that is inside another PLA, z-fighting or mesh disappearance will occur. More specifically, it is seen when duplicating a mesh inside the PLA, upon saving the P ...

The ResavePackages commandlet with -ResaveClass and -IncludeChildClasses doesn't resave unloaded assets

The ResavePackages commandlet can be used to batch resave assets. The ResaveClass and IncludeChildClasses options let one resave all assets of a specific parent class. The problem is that blueprint ...

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.

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 edited instance properties

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

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"

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

World is initialized twice when opened through the Content Browser

When opening a Level from the Content Browser, the world gets initialized twice. This initialization process can be quite long, especially for big world using world partition. There doesn't seem to ...

When actors are placed in a folder their attachment dependencies are no longer loaded when the root actor loads

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

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 ...