Unreal Engine Issues
Unreal Engine Issues
ComponentInstancingData lacks support for FMapProperty
UE - Gameplay - Blueprint - Sep 1, 2020Map and set container value overrides will be lost in a cooked build for any Blueprint component that's dynamically instanced in a cooked build if the owning Actor class enables the optimized compon ...
DefaultToSelf on a TScriptInterface parameter does not default correctly
UE - Gameplay - Blueprint - Aug 31, 2020This issue seems to stem from the incorrect constructor being called for TScriptInterface, so the correct Interface pointer does not get called. If you explicitly connect a reference to "Self" to ...
Engine crashes after editing a struct variable in use.
UE - Gameplay - Blueprint - Aug 27, 2020After editing any struct variable in use such as adding, removing, or editing, and then compiling afterward the engine crashes. Sometimes it crashes after a few seconds. ...
Painted Vertex colors are not retained when using "Convert Selection to Blueprint Class" in Child Actor mode
UE - Gameplay - Blueprint - Aug 25, 2020From the User Submission: I spent some time poking through the FComponentInstanceDataCache code and noticed that there is no component instance data saved/applied for'native' component types, so si ...
User defined struct variables with spaces do not import properly in cooked builds
UE - Gameplay - Blueprint - Aug 11, 2020DataTables exported to JSON in editor (UDataTable::WriteTableAsJSON, accessible by right clicking a data table and picking export to json) that contain variables with spaces or other outlawed charac ...
Blueprint classes are listed in Object pickers, but will not work as expected
UE - Gameplay - Blueprint - Jul 28, 2020Because of the way blueprints are implemented, the "Blueprint Class" asset actually points to the editor-only UBlueprint object. Because of this, all blueprint classes will show up as options for ge ...
Blueprint Data Loss with Certain Variable Names
UE - Gameplay - Blueprint - Jul 21, 2020Certain characters within blueprint variables names will cause data loss when duplicating an actor instance. For example if a variable name contains '(', '{', or '[' it doesn't retain the variable's ...
A Blueprint containing an array Swap node will fail to be nativized.
UE - Gameplay - Blueprint - Jul 17, 2020Blueprint assets that utilize an array "swap" node to swap elements cannot currently be converted to C++. Current workaround: Either avoid use of the "swap" node or exclude the Blueprint asset from ...
Packaging a blueprint only project with Nativization fails
UE - Gameplay - Blueprint - Jun 18, 2020REGRESSION: Does not occur in 4.24 Packaging a blueprint only project with Nativization enabled results in a failure during the Staging phase. A message appears reading the following:Missing UE4Ga ...
Switch on String does not respect Case Sensitive flag
UE - Gameplay - Blueprint - Jun 2, 2020Switch on String does not respect the Is Case Sensitive flag and will generate a compile error when there are two pins with the same name but different cases ...