Incorrect relative position on replicated child actor

UE - Networking - Apr 4, 2024

The issue seems to occur when a replicated child actor is received on the client before its parent. The child actor will first be spawned at its correct global position, with its root component's p ...

Sampler Source: From Texture Asset with Streamed Virtual Texture

UE - Rendering Architecture - Mar 28, 2024

It appears that Texture Samplers for Virtual Textures do not respect the Tiling Method from the Virtual Texture Asset when the "Sampler Source" is set to "from texture asset". ...

Translucency area has stripe-style issue on TSR

UE - Graphics Features - Mar 28, 2024

The TSR History Rejection buffer develops a grid-like artifact over translucent, camera-facing planes. ...

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. ...

Niagara using a Volume and Mesh renderer with a shared base material does not renderer correctly

UE - Niagara - Mar 26, 2024

Using a shared base material with both a Volume and Mesh renderer causes the emitter to render as a glowing box at the scale of the bounding box. ...

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 ...

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

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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 ...