Unreal Engine Issues

LOD of Texture on Static Mesh is selected incorrectly when spawned in Sub-Level loaded by Level Streaming

LOD of Texture on Static Mesh is selected incorrectly when spawned in Sub-Level loaded by Level Streaming. This issue does not occur with Editor play, only with Launch or Packaging and Play. Accordi ...

Mouse cursor position is reset on a Mac when SetInputMode_GameOnly() is called

Calling `UWidgetBlueprintLibrary::SetInputMode_GameOnly()` on a Mac results in the mouse cursor resetting to the position where the last mouse click was released instead of remaining in its current ...

RF_WasLoaded is set to False in PIE for instances of a Blueprint if the Blueprint is recompiled

The RF_WasLoaded flag is set to false for Blueprint instances in PIE if the Blueprint is edited and compiled. This is fixed by saving the level which is a simple workaround but this should be needed ...

Issue updating Current Max Draw Distance on static meshes inside blueprints

Blueprint Cannot Give Niagara CPU Access To Skeletal Meshes Added From Blueprint

When a user tries to add a skeletal mesh component to a blueprint with a niagara system to use the skeletal mesh with that niagara system, the niagara system will stop rendering because it does not ...

Blueprint with Niagara System and Skeletal Mesh Components Automatically Updates Niagara System Skeletal Mesh

When adding a niagara system that reproduces a skeletal mesh and a skeletal mesh as components to a blueprint, the niagara system immediately updates its skeletal mesh to the most recently updated s ...

DrawBoxSweeps does not fully account for rotation

DrawBoxSweeps does not account for box rotation when drawing lines between swept vertices, leading to disconnected debug visuals.  ...

FActorPriority::Priority can overflow, resulting in incorrect priority values

With large values of delta time, the Priority value in FActorPriority can overflow when using the constructor that takes Time as a parameter. ...

Adding a call to the parent function when executing an inherited multicast event on a client results in the events being called on the client twice

A user has reported that adding a Parent call to an inherited multicast function causes the event to be called twice if it is executed on a client. Regression?: No This occurred in 4.20 Link to te ...

Refraction does not display properly on Android devices

A user has reported that Refraction does not affect Translucent or Masked materials at all on Android. It is also limited in how much it affects Opaque materials. Regression?: No This has been test ...