Unreal Engine Issues

Component Visualizer EndEditing() never called in Blueprint viewport

User reports difference in ComponentVisualizer behaviour between level viewport and blueprint editor viewport. Details and repro in the referenced UDN ticket. ...

Logging out and then logging in as a new user results in slate creating multiple Slate User IDs

I believe this is happening because when you change your logged in user, the Slate Application will automatically create a new second slate user with an ID of 2. This is bad because the Slate App is ...

Gameplay Effects with instant duration fail to be predicted if a duration magnitude was previously set

The Duration Magnitude property is not zeroed out if a Gameplay Effect's duration policy is changed from HasDuration to Instant. As a result, UAbilitySystemComponent::ApplyGameplayEffectSpecToSelf e ...

Blueprint "Set by ref" (UK2Node_VariableSetRef) does not mark properties dirty for push replication

When using Push Replication with blueprints, UK2Node_VariableSetRef nodes do not mark a property as dirty and so the variable is not replicated. ...

Cannot key font material for UMG Widget animations

Lyra - Grant Nearby Interaction Ability Task used as source object but doesn't replicate

UAbilityTask_GrantNearbyInteraction passes itself as the source object when making the Interaction Ability Spec in UAbilityTask_GrantNearbyInteraction::QueryInteractables. This causes the "Warning: ...

Unable to access inherited component using Subobject Data Subsystem

When using the Subobject Data Subsystem (Engine\Source\Editor\SubobjectDataInterface\Public\SubobjectDataSubsystem.h), we often have to work with an instance of FSubobjectData (Engine\Source\Editor\ ...

ResetToDefault() incorrect behavior with multiple components selected with different defaults

In the blueprint editor when selecting multiple components and resetting a property that exists on both components to its default value, when the components had different default values the editor r ...

Fracture Tool - Popup menu for tree items on the Geometry Collection Outliner is missing the option "Static" for setting "Initial Dynamic State"

As reported by the customer in the related UDN case, when right-clicking a tree item on the Geometry Collection Outliner inside the Fracture Tool, the popup menu should display 4 options for setting ...

Ensure in GatherSubobjectData

An ensure in GatherSubobjectData is being hit under certain inheritance conditions. This appears to be similar and potentially related to [Link Removed] and the fix at CL 16377852. Stepping through ...