Gameplay Ability System Attribute Modifiers with a duration (including infinite) do not respect tag requirements

UE - Gameplay - Gameplay Ability System - Feb 21, 2024

When using infinite or duration-based effects, required and ignored tags will have no effect on attribute modifiers. This appears to be caused by OnAttributeAggregatorDirty (GameplayEffect.cpp:2917) ...

Copied Actors in World Partition Levels Maintain References to Actors They Are Copied From

UE - World Creation - Worldbuilding Tools - World Partition - Feb 19, 2024

When an Actor is duplicated in the editor inside a world partition level it maintains references to the Actor it is a copy of. This can cascade, i.e. Actor C, which is a copy of Actor B which is a c ...

Components added in Blueprint that want initialisation are not maintained by RerunConstructionScripts

UE - Framework - Blueprint - Feb 14, 2024

When a native component that wants initialisation is added to a Blueprint actor in the Blueprint editor, the initialisation state of this component will not be correctly preserved by RerunConstructi ...

Networked Root Motion Sources can experience desynchronisation that is not present in animation root motion under forced adjustment

UE - Gameplay - Player Movement - Feb 13, 2024

In a networked environment with high packet loss (or high forced adjustment factor), motion applied using Root Motion Sources can desynchronise under conditions that animation root motion does not. ...

IK Rig/Retargeter editors' Preview viewport doesn't display static mesh attachments

UE - Anim - Rigging - Retargeting - Feb 12, 2024

Many of the animation asset editors don't display static mesh attachments in the way that the anim sequence or anim bp editor do.  This prevents users from previewing characters that are built from ...

Deformer Graph editor Preview viewport doesn't display static mesh attachments

UE - Anim - Rigging - Deformer - Feb 12, 2024

Many of the animation asset editors don't display static mesh attachments in the way that the anim sequence or anim bp editor do.  This prevents users from previewing characters that are built from ...

Foliage Instanced Actor Created Outside Level Instance when moving Base

UE - World Creation - Worldbuilding Tools - Level Instances - Feb 9, 2024

empty default value for a blueprint member variable in a custom k2node

UE - Framework - Blueprint - Feb 9, 2024

User is attempting to find a blueprint member variable's default value in their implementation of UK2Node::NotifyPinConnectionListChanged(). but the expected value in FBPVariableDescription is empty ...

Node errors that block compilation aren't output in compiler results log

UE - Anim - Rigging - Control Rig - Feb 7, 2024

Errors from EdGraph nodes aren't being piped into the compiler results log.  This can make it difficult to track down what's broken in larger rigs. ...

Add new Filter in ULevelStreamingPersistenceSettings to allow filtering a class (Component) only when its outer class is of a certain type/types

UE - World Creation - Worldbuilding Tools - World Partition - Feb 6, 2024

This requests comes from a UDN : [Link Removed] ...