Unreal Engine Issues
Unreal Engine Issues
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 ...
Bug with setting the ChildActorClass in ChildActorComponents in Blueprint
UE - Gameplay - Blueprint - Jan 10, 2024It's impossible to set it back to None. Also, if the original blueprint had something set in ChildActorClass, it will be impossible to set a placement of it to None. I looked at it briefly in the de ...
Blueprint diff tool displays diffs for animation blueprints with no changes
UE - Gameplay - Blueprint - Oct 25, 2023From UDN: [Link Removed] ...
Overriding a struct member field's default value on a BP-added component in a BP asset will no longer allow the user to edit that struct member on instances of that BP's component if the member is deprecated.
UE - Gameplay - Blueprint - Oct 19, 2023Properties that are deprecated are (incorrectly) not currently being propagated to instances by the duplication logic that we use to instance BP-added components as part of Actor-based BP constructi ...