Clustering GeometryCollections in sleep state forces them to awake

UE - Simulation - Physics - Mar 27, 2024

The sleep state will be overwritten in ClusterUnionManager::UpdateAllClusterUnionProperties. Clustering using AClusterUnionActor results the same behavior as well. ...

Network Prediction Insights tool checks/crashes with trace data from a multiplayer PIE session

UE - Gameplay - Network Prediction - Mar 27, 2024

Loading a trace in Insights that has Network Prediction channel data from a multi-client PIE session will hit a check and crash the Insights tool. ...

Material Layers Ignore Virtual Texture Sampler Restrictions

UE - Rendering Architecture - Mar 25, 2024

Virtual Textures can be assigned to Texture Sample Parameters that are not configured for Virtual Textures, if that parameter is inside of a Material Layer. Also found in Release-5.4, CL 32426910 ...

Assert triggering when trying to copy-paste an empty CurveAtlasRowParameter node in the material editor

UE - Rendering Architecture - Materials - Mar 25, 2024

A check happens when copy/pasting a Curve Atlas Row Parameter Expression that has no value. This behavior also exists on CL 32426910 of Release-5.4. ...

Crash when createing a Landscape and the DisasterRecoveryClient plugin is enabled. In the editor appears as Recovery Hub.

When DistasterRecoveryClient (in editor called RecoveryHub) plugin is added to the project and the user creates a Landscape, a crash occurs. ...

Mac Modern xcode framework link issue

UE - Platform - Apple - Mar 25, 2024

Our client is attempting to use an external framework as a third party within Unreal Engine, and they are encountering issues despite following the standard guidelines for adding the framework. T ...

Improve shader map logging in EmitNullShaderParameterFatalError

UE - Rendering Architecture - Shaders - Mar 22, 2024

UDN: [Link Removed]In order to make it easier to track down (future) assets that could cause this crash we modified EmitNullShaderParameterFatalError() to also dump the asset filename if possible: ...

Call-In-Editor functions in an EditorUtilityActor are not called in editor

UE - Gameplay - Blueprint - Mar 22, 2024

In 5.1 through 5.3, Call-In-Editor functions within EditorUtilityActor Blueprints created via Create Advanced Assets/Editor Utilities/Editor Utility Blueprint are not callable in editor. Prior to 5 ...

Typing "Lerp" when dragging off of a vector pin results in "Slerp" being the first context menu hit

UE - Gameplay - Blueprint Editor - Mar 21, 2024

[Image Removed] ...

Instanced EditInlineNew objects are parented to the CDO when used by a child BP of a parent BP that inherits from a native class

UE - Gameplay - Blueprint Runtime - Mar 21, 2024

EditInlineNew objects added to Instanced array stored in a struct are seemingly ignored and the object is instead parented to the CDO of the owner. The owner must be the BP child of a parent BP tha ...