Unreal Engine Issues

Mover MoveDirectionIntent can be 0 due to interpolation

If two states have MoveDirectionIntent vectors that are opposite to each other, interpolating between these states can result in MoveDirectionIntent being 0. This may cause issues for animation blue ...

[Interchange] Disabling Interchange 'Show Sections' in the Details Panel is not persisted

WorldPartition Actors have invalid reference to level BP and fail changelist validation

UV Offset Effect Material in RetainerBox Causes Visual Artifacts in Editor Preview

When a UV Offset is applied in a RetainerBox effect material, visual artifacts appear only in the editor — not at runtime — if a widget with a dotted preview outline (like CanvasPanel) is placed dir ...

Niagara color picker user parameter preview no longer updates until confirmation

Starting with UE 5.4, the Color Picker Tool no longer updates preview values in real time for certain editor windows like Niagara when working with User Parameters. This behavior is a regression fr ...

Mesh with material where the translucency pass is set to Before DOF are not render correctly if r.SeparateTranslucencyScreenPercentage is set to a value != 100

FSubobjectData::SetupAttachment() receives SocketName as a parameter but ignores it.

When using the Subobject Data Subsystem in C++, method FSubobjectData::SetupAttachment() can be used to help attaching a component to a parent at a given socket. This function receives SocketName as ...

[UDN 18615482] SPropertyMenuComponentPicker crashes depending on clipboard contents

[Link Removed] From UDN: "The component picker has a Paste option and when trying to decide if it should be enabled or not it attempts to load a class using the clipboard contents as a class name. ...

Map placed actor binding to another actor's Event Dispatcher (multicast delegate) results in duplicate bindings after blueprint recompile

Context Blueprint actors placed on the map can bind to another actor's event. If an ActorB has a reference to ActorA, it can bind to an event dispatcher in A by creating an event node in ActorB's e ...

Sampling regions don't get created when creating a mesh.

I'm trying to use VFX in specific regions on a character and would normally use sampling regions to do it easily, however the mutable mesh that is generated doesn't seem to be creating any of the on ...