Unreal Engine Issues

Character unnecessary step down during PHYS_Flying mode

When MovementMode is set to PHYS_Flying, the character may unexpectedly step down by MaxStepHeight when colliding with a wall near a ceiling. This occurs because UCharacterMovementComponent::StepUp ...

'Hide Unconnected Pins' Button in the Blueprint Node Details Panel Disconnects SubPins with Connections

Given a get node with a struct output, if "Split Struct Pin" is used on the struct and one of that struct's outputs are connected to another node, it does not count as a used pin when the base get n ...

Constraint Binding ID is broken on attach track when subsequence asset is moved.

Moving a level sequence asset that contains actors that are being referenced as a subsequence in an attach track causes the references to drop, even though the subsequence reference is correctly upd ...

GoogleTest module is implicitly linked in Win64 Shipping runtime through RigLogic.uplugin

Curve Retargeting does not work with SourcePose retarget mode

Currently we build what source curves we are going to remap is done inside of: FIKRetargetCurveRemapOp::AnimGraphPreUpdateMainThread But in our ikretarget processor code we skip calling that functi ...

Detaching a component may not be replicated to clients

Because the archetype for scene/static mesh components has a null value for AttachParent, there are some situations where changes to a replicated component's AttachParent are not replicated to clien ...

Detaching a component with "KeepRelative" location rule can result in incorrect location on client

When receiving a replicated detachment, USceneComponent::PostRepNotifies will call DetachFromComponent with the KeepWorldTransform detachment rule. If the component is detached on the server with th ...

bWeldSimulatedBodies not replicated with attachment

The bWeldSimulatedBodies attachment parameter is not replicated to clients, both in USceneComponent's attachment replication handling and in AActor's FRepAttachment struct. If AttachToComponent is c ...

USceneComponent::AttachToComponent may not be called on client depending on replication order

If the component being attached is received first, OnRep_AttachParent will set bNetUpdateAttachment to true, so USceneComponent::PostRepNotifies will call AttachToComponent. If the attach parent is ...

HISM flickering when any character is visible

On an NVIDIA GPU, Instanced Static Meshes can flicker when a Groom card or mesh LOD is visible. This appears related to an issue rendering the ISM into the Scene Depth. At the end of the Prepass, t ...