Collision between physicalized actors and instanced static meshes produce warnings.

UE - Simulation - Physics - Sep 25, 2023

Collision between an instanced static mesh and a physics simulating actor (with "simulation generates hits events" enabled) results in the following warning: LogChaos: Warning: Collision handler en ...

Spherecast against complex geometry is returning odd results

UE - Simulation - Physics - Sep 19, 2023

Turning on batching of sphere casts when colliding against complex gives incorrect results. Affects debug output and vehicle wheels and body movement. The issue is with the batch query mode which ...

Pins using SGraphPinNameList do not handle reset correctly and do not have a "None" entry

UE - Gameplay - Blueprint Editor - Sep 15, 2023

From the UDN licensee: I put together a draft PR of something that should work. As I mentioned in the PR, this works as expected with one caveat; in SPinComboBox::Construct we are hardcoding the to ...

Custom Water Body does not work with its own Distance Culing

UE - LD & Modeling - Terrain - Water - Sep 14, 2023

WaterBodyCustom seems not to work with Distance Culling settings on its own actor, either Draw Distance/Never Distance Cull or Allow Cull Distance Volume.  It only can be controlled by the CullingD ...

When using a hierarchy of "FilterBar.json" Editor Config files, filters added in the Editor are saved in the Engine-level file, but filters removed in the Editor are not saved anywhere

UE - Editor - Workflow Systems - Sep 13, 2023

The Editor Config system appears to support a hierarchy of JSON files (similarly to INI files) in three locations:Engine: "../../../Engine/Config/Editor"Project: "<PROJECT>/Config/Editor"User: "<APP ...

Multi-User - Conflict between two users dragging a selection

UE - Virtual Production - Tools - Multi-user - Sep 12, 2023

During a Multi-User Editing session with two or more team members two or more users can take control of the same actor and move it to different locations in the viewport at the same time. However, ...

Crashes occur when creating a static texture from a non-HDR Cube Render Target in DirectX12

UE - Rendering Architecture - RHI - Sep 11, 2023

While working with DirectX 12 in the project settings, the editor crashes by check() code when attempting to create a static texture from a non-HDR Cube Render Target asset. This crash doesn't occur ...

Volumetric lightmap + stationary light has missing shadows

UE - Rendering Architecture - Sep 5, 2023

Primitives with the "Lightmap Type" set to "Force Volumetric" are not shadowed correctly. Issue dates back to at least 4.27.2. As a workaround, making FLightCacheInterface::GetStaticInteraction al ...