GameFeature Plugins do not chunk as expected when using PrimaryAssetLabels

UE - Gameplay - Sep 23, 2024

There is some unexpected behaviour around GameFeature Plugins (GFPs) when packaging with chunking enabled most noticeable when using PrimaryAssetLabels (PALs). Firstly, PrimaryAssetLabels do not ap ...

Modifying FSuggestProjectileVelocityParameters::ResponseParam.CollisionResponse modifies FCollisionResponseParams::DefaultResponseParam

UE - Gameplay - Sep 17, 2024

FSuggestProjectileVelocityParameters was introduced in 5.4 and has a FCollisionResponseParams member that's initialized as a mutable reference to FCollisionResponseParams::DefaultResponseParam. str ...

Native gameplay tags in plugins are cleared when reading config files

UE - Gameplay - Aug 14, 2024

When references to Gameplay Tags are loaded, it checks to see if they are already registered. If they are not already registered, it will notice it is invalid and may print a warning depending on th ...

Crash when a subsystem calls GetSubsystemArray() on its owner while engine code is iterating on subsystems also obtained through GetSubsystemArray()

UE - Gameplay - Aug 6, 2024

In some occasions, engine code iterates over a certain subsystem type by calling FSubsystemCollection::GetSubsystemArray() and then calling some method on all subsystems of the returned array. This ...

Visual Logger bForceUniqueNames does not result in unique names (regression)

UE - Gameplay - Jul 25, 2024

Just a regression introduced with the VisLogger changes. ...

Regression - Inherited component properties on actor instances of derived blueprints are silently reset to defaults when the blueprint is compiled, causing data loss

UE - Gameplay - Jul 19, 2024

In certain circumstances, when a derived blueprint is compiled, all properties from its inherited components can be silently reset to defaults on instances placed on the current level. This results ...

Natively declared Gameplay Tags aren't counted by Reference Viewer when set default by ctor

UE - Gameplay - Jul 11, 2024

Similar to Issue 199247 ([Link Removed]), Natively declared Gameplay Tags aren't counted by Reference Viewer when used in a variable set in a C++ ctor. ...

CharacterMovementComponent - Jump incorrectly simulated when moving against a wall, resulting in an apex height lower than expected and framerate-dependent

UE - Gameplay - Jun 17, 2024

The CharacterMovementComponent simulates the position of a jumping/falling character inside function UCharacterMovementComponent::PhysFalling() [CharacterMovementComponent.cpp:4381]. On the main cod ...

Instanced object in an array property of an actor component is invalidated and marked for garbage collection on undo

UE - Gameplay - Jun 4, 2024

If an actor component contains a TArray of instanced objects, some of those object instances can get incorrectly invalidated and marked for garbage collection in certain situations, possibly resulti ...

Case Child Actor Component validation error when set as editor-only

UE - Gameplay - Jun 4, 2024

When a blueprint actor with a child actor component is placed in a level, and the child actor component is set as editor-only, the output log will show a validation error when the actor is moved and ...