Unreal Engine Issues
Unreal Engine Issues
Actors removed from the world are unregistered both before and after EndPlay
UE - World Creation - Worldbuilding Tools - Nov 5, 2024Actors that are removed from the world have UnregisterAllComponents called twice. Removal can be caused by unloading a data layer that owns the actor. In cases like exiting the application or destr ...
Null Material Layers in Material Instances cause Opacity Mask and WPO to break on Nanite Meshes
UE - Rendering Architecture - Materials - Oct 31, 2024When a Material Instance is loaded that has a nullptr layer in StaticParametrs.Materiallayers. The Material Instance will create it's own CachedExpressionData but the ConnectedParameterMask will be ...
Investigate Actors assigned to both partitions
UE - World Creation - Worldbuilding Tools - HLOD - Oct 31, 2024Foliage mode instances not rendered until mouse up
UE - World Creation - Worldbuilding Tools - Foliage - Oct 30, 2024New foliage is not visible when applying the paint tool and only shows up after the painting ends. ...
Reduce the overhead of World Partition cells UObjects on GC
UE - World Creation - Worldbuilding Tools - World Partition - Oct 30, 2024Users with large numbers of UObjects (500k+) that are using World Partition want to enable GC actor clustering to handle streaming levels but no performance gains are realized when enabling GC clust ...
LandscapeSplineMeshesActor instances not deleted when World Partition is disabled
UE - World Creation - Worldbuilding Tools - World Partition - Oct 30, 2024When landscape splines exist in a WP level, LandscapeSplineMeshesActor instances are created to allow streaming of splines. In a non-WP level, splines are components of the landscape actor. When a W ...
Blueprints breakpoints in a For-Loop stops execution only once when the blueprint asset is from a project template
UE - Framework - Blueprint Runtime - Oct 18, 2024This issue occurs when placing a breakpoint inside a loop in a blueprint's Event Graph or Function Graph. The breakpoint is only triggered once, even though the loop should continue executing. When ...
Scrolling through the ListView inadvertently displays duplicate elements
UE - Editor - UI Systems - UMG - Oct 17, 2024When a ComboBox is set as elements in a ListView, it can see that the option is set to the wrong element when selecting the ComboBox. ...
A Packaged build that has had an Editor Only Component added to one of its Blueprints logs a false positive warning - USimpleConstructionScript::FixupRootNodeParentReferences()
UE - Framework - Components - Oct 15, 2024A Packaged build that has had an Editor Only Component added to one of its Blueprints logs a false positive warning in USimpleConstructionScript::FixupRootNodeParentReferences(): USimpleConstructio ...
Actor foliage does not respect "foliage.CullDistanceScale"
UE - World Creation - Worldbuilding Tools - Oct 15, 2024Actor foliage does not respect the "foliage.CullDistanceScale" console variable. This was brought up in a UDN: [Link Removed] ...