Simulate motion vectors can fail on camera cuts

UE - Anim - Sequencer - Jun 11, 2024

r.MotionVectorSimulation 1 should simulate motion vectors when cutting cameras, but this appears to be broken on some loops. ...

AlwaysTickPose is prone to double firing notifies in a dedicated server setup.

UE - Anim - Gameplay - Jun 11, 2024

See UDN for more info: ...

Race condition between D3D12 Buffer Defrag and View creation

UE - Rendering Architecture - RHI - Jun 11, 2024

A UDN user reported that the D3D12 resource allocator defragmentation operation races with view creation. View creation needs to be always deferred to the RHI thread. ...

[PCG] Delayed PCG Component Unregister causing stale pointer crash

UE - World Creation - Procedural Tools - PCG Component - Jun 11, 2024

Missing display units initialization from project settings

UE - Editor - Workflow Systems - Jun 11, 2024

From customer: Hi there, I stumbled upon a bug where the display units as set in the Project Settings under the Editor Appearance category for properties were not getting displayed properly and was ...

RuleProcessor is not listed in the Window menu in 5.4

UE - Editor - Workflow Systems - Jun 11, 2024

Since CL-28416011, Sections in Window menu are broken and the RuleProcessor can not be registered in the menu. (See attached imanges) Following workaround restores the sections and fixes the issue. ...

Setting a poseable mesh component as leader component for a skeletal mesh component causes an access violation.

UE - Anim - Runtime - Jun 11, 2024

When a skeletal mesh component's leader component is set to a poseable mesh component, the application will run into an access violation when it tries to update animation curves and morph targets. ...

Camera Cuts lock doesn't work when simulating

UE - Anim - Sequencer - Jun 10, 2024

Lock Viewport to Camera Cuts of CameraCutTrack stopped working from version 5.4 during PIE's simulation. This is a regression from 5.3 behavior where the lock remains when simulating. Locking to ind ...

Inconsistent behavior with data layers and attached actors

UE - World Creation - Worldbuilding Tools - Data Layers - Jun 10, 2024