Unreal Engine Issues

[CAD Import] Metadata are totally different when loading an IFC file through TechSoft.

Landscape is missing its material when running a packaged project on Linux arm 64

From licensee: The project contains a small flat terrain with a basic material attached to it - just a single texture sampler connected to the base color output. Also in the project is a skeletal m ...

Unable to Create New Niagara User Parameter After Deletion without Niagara Editor Window Restart

When a user deletes a Niagara User Parameter within the Niagara System editor window, attempting to create a new parameter with the same name immediately after deletion results in an error. Despite ...

Wires to PCG nodes with translated properties are cut

Some PCG nodes have translated properties, which will cause wires to be cut. This is why things PCG biome sample maps do not work correctly in CJK language settings. The workaround is to set the lan ...

Blueprint Add Custom Event unable to resolve delegate signature inside a split struct

This issue occurs when a static function is created and has a struct parameter that has a delegate exposed to blueprint. When using the helper function in blueprint after having used "Split Struct ...

VisibleAnywhere MovieSceneObjectBindingID property is editable

In general, UPROPERTY(VisibleAnywhere) makes a property ineditable. But, if the type of a property is FMovieSceneObjectBindingID, VIsibleAnyhere no longer prohibits it from editing. [Image Removed] ...

Resetting MovieSceneObjectBindingID property can't update display

When reset a MovieSceneObjectBindingID type property, the display of the property is not reset but keep the value before reset, until the property form is clicked. [Image Removed] ...

Changes to Instanced Properties on a BP archetype are not propagated to Actors inside Level Instances or unloaded levels.

Consider a C++ ActorComponent containing an instanced TObjectPtr property (which may be standalone or inside a container such as TMap). Now consider a Blueprint Actor containing such a component, an ...

UObject set to DefaultToInstanced will show all properties declared at the blueprint level, even in they're private and not instance editable

Licensee found that when creating a UObject class with DefaultToInstanced and EditInLineNew specified, and then a derived BP was created using the UObject class and used as a variable type in an act ...

Moving noise is visible in hair shadows when Lumen screen traces are active

Dark moving noise is visible in hair in the shadows when Lumen screen traces are active.  Example of noise when screen tracing is frozen:[Image Removed] Turning off Lumen screen traces using r.Lume ...