Unreal Engine Issues

Landscape components not returning physical material with LineTrace in Editor mode

The OutHit from a LineTraceByChannel against a landscape in Editor is not returning the Physical Material of that landscape. While PIE there is no issue. While using BoxTrace (even in Editor) there ...

Common UI/Enhanced Input UI action binding issue

They've nailed it down to the following logic FUIActionBinding::TryCreate which doesn't check for the InputAction specified.// Make sure there is no existing binding for the same action associated w ...

When Sweeping a sphere over a heightfield or trimesh when the sphere is in initial overlap we don't get the exact correct hitpoint. It seems to be the nearest vertex to the hitpoint instead

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 ...

Iris - Function descriptors will prevent protocols from being marked as fully push based

GPU ribbon links can occasionally fail

Sometimes GPU ribbons will link between one another like this, checking in the debugger you can see that the RibbonIDs are different. [Image Removed] ...

UE Editor 5.3 - Level Viewport - Unlocalized Issues

How to Reproduce: 1. Open Editor 5.3 (ReltestB) in Localized version (culture= ) 2. Click on the "show" icon in the level viewport 3. Navigate to the following locations in the Show menu and observ ...

After attach a component to a simulated component by socket miss collisions

If attaches a StaticMeshComponent with collision active to another actor with a SkeletalMeshComponent simulating physics by socket name the StaticMeshComponent miss collision for simulation. Chec ...

AActor::CheckActorComponents has misleading warning

There's actually two issues going on here: 1. The REINST references are incorrect, and due to [Link Removed]. 2. Blueprint created components will always have different names between the instance ...

[AI] Destroying an actor while using pooled actors with MassActorSpawnerSubsystem causes a nullptr exception crash

If an actor that is used in the pooled actor list of UMassActorSpawnerSubsystem is destroyed, it causes a nullptr exception in UMassActorSpawnerSubsystem::SpawnOrRetrieveFromPool. The subsystem atte ...