Anisotropic metallic material and area lights don't work

UE - Graphics Features - Substrate - Jun 28, 2023

Component Visualizer EndEditing() never called in Blueprint viewport

UE - Gameplay - Blueprint Editor - Jun 30, 2023

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

UE - Gameplay - Input - Jul 28, 2023

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

UE - Gameplay - Gameplay Ability System - Aug 4, 2023

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

UE - Framework - Blueprint - Sep 7, 2023

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

UE - Anim - Sequencer - Sep 14, 2023

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

UE - Gameplay - Gameplay Ability System - Sep 25, 2023

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

UE - Gameplay - Components - Oct 3, 2023

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

UE - Framework - Blueprint Editor - Oct 2, 2023

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 ...