Unreal Engine Issues
Unreal Engine Issues
UBlueprintEditorLibrary::ReparentBlueprint() results in compiler errors when attempting to reparent from a native parent class to a blueprint parent class
UE - Gameplay - Blueprint - Mar 20, 2024When using the Reparent Blueprint node in an Editor Utility Blueprint, e.g. an Asset Action Utility, compilation errors will occur if you try to reparent a blueprint with a native parent class to a ...
Deprecated blueprint variable fixups may fail depending on loading order
UE - Gameplay - Blueprint - Mar 7, 2024There is currently no simple way to do a deprecated variable fixup on native variables that are set by a blueprint class. For a simple variable rename, CoreRedirects can be used and will work proper ...
Blueprints break when implementing a duplicated BP interface along with the original
UE - Gameplay - Blueprint - Mar 1, 2024When duplicating a blueprint interface, the GraphGuids of the original BP interface's function graphs are unchanged: function graphs across the two BP interfaces now have the same GraphGuid. This is ...
Derived struct data is not copied to Base struct
UE - Gameplay - Blueprint - Feb 19, 2024The actor Blueprint is intentionally causing an object slice to occur. In other words, we're copying a derived type to a base type, so the expectation is that only the inherited base properties are ...
Blueprint "Diff Against Depot": Restoring an instanced object results in reference to the object in the temporary diff asset
UE - Gameplay - Blueprint - Feb 19, 2024When diffing a blueprint against depot via the Content Browser context menu action "Revision Control > Diff Against Depot", restoring an instanced object property from the depot version results in t ...
In Editor, Blueprint resources are not freed up when the Blueprint is closed
UE - Gameplay - Blueprint - Feb 16, 2024It appears that the preview scene used to render thumbnails is not destroyed after a thumbnail is rendered, even after the blueprint editor is closed and GC is run. Also found in Release-5.4, CL: 31 ...
Components added in Blueprint that want initialisation are not maintained by RerunConstructionScripts
UE - Gameplay - Blueprint - Feb 14, 2024When a native component that wants initialisation is added to a Blueprint actor in the Blueprint editor, the initialisation state of this component will not be correctly preserved by RerunConstructi ...
empty default value for a blueprint member variable in a custom k2node
UE - Gameplay - Blueprint - Feb 9, 2024User is attempting to find a blueprint member variable's default value in their implementation of UK2Node::NotifyPinConnectionListChanged(). but the expected value in FBPVariableDescription is empty ...
UDataTableFunctionLibrary::AddDataTableRow() fails for blueprint-defined row structure types
UE - Gameplay - Blueprint - Feb 2, 2024The editor-scripting blueprint node "Add Data Table Row" fails when the Data Table uses a Row Structure that was defined in blueprint. Internally, it checks if the passed-in UScriptStruct is derived ...
Blueprint Instanced Variables Data Erased
UE - Gameplay - Blueprint - Jan 17, 2024Instanced variables were given a fix in response to this issue: [Link Removed] Once implemented, when the project is compiled the data from the blueprint instanced variable is removed. A recommend ...