Unreal Engine Issues

BP property initialization fast path does not handle non-instanced properties assigned to default subobjects correctly

Non-instanced object ref properties are incorrectly being skipped at property initialization time when Blueprint class instances are spawned with the fast property initialization path enabled. This ...

NiagaraComponent attached to the character won't stay active when travelling to a new level using seamless travel

The pawn character is added to APlayerController::GetSeamlessTravelActorList, so it'll be persisted during server travel. The Niagara component is spawned during BeginPlay and activated manually. W ...

Delay when entering text into EditableText using Microsoft IME after switching between half-width and full-width characters

When adding text after switching from half-width to full-width input using Microsoft IME, there may be a delay of about 3 seconds before the text can be entered correctly. This is supposed to occur ...

Toggle Folder Visibility Inconsistent in Scene Outliner With Search

In the scene outliner, if you add a folder with one visible actor in it, and filter out some of the actors, users are unable to toggle the visibility of the folder anymore, or they are only able to ...

DebugScalarValues floors floats in certain circumstances, giving the incorrect value when a floating point error occurs

Duplicating a Blueprint with a function call node connected to a variable of the source Blueprint type results in a compile error in the duplicated asset.

If a Blueprint asset contains a function call node for which the referenced function context is set to 'self', if the "Target" pin is connected to a type that equates to the owning Blueprint asset ( ...

Make literal container nodes (e.g. MakeArray) do not cast object ref output terms linked to interface-typed input pins.

As with most nodes, object reference outputs can be directly connected to interface-typed inputs on "make container" nodes (e.g. "MakeArray") if the object's class type implements the interface clas ...

Using justification on an Editable Text Box delays one frame

The display implementation is in the level blueprint. [Image Removed] ...

CachedMaxDrawDistance value are not updated by CullDistanceVolume in persistent Level

in PIE, RerunConstructionScript() is executed and actor's CachedMaxDrawDistance is updated as expected. in packaged game, RerunConstructionScript() is not executed  so, CullDistanceVolume is not u ...

Merge actor issue with similar materials