Unreal Engine Issues

Unable to override private Blueprint variables in child classes

In UE4, "Private" for Blueprint variables was misnamed: its behavior actually meant "Protected". In other words, it can't be read or written to by external objects, but it can be by derived types. A ...

Copying/pasting a Blueprint static function triggers an ensure and a new parameter in function signature

Blueprint context menu doesn't list function calls for array properties

Possibly one of the lesser know features of Blueprints is that we allow the connection of an array of actors to the "self" pin of a function (see pic). This is essentially a shorthand for writing an ...

If using BP that inherits DataAsset as Value of Map in Struct, it will be replaced with PLACEHOLDER-CLASS after restarting editor.

Saving Widget Blueprints directly can put them in a bad state.

The fixup code for repairing Widget bindings in UE5 assumes that a compile occurs first. However, saving the asset does not cause a compilation to occur. When we reload the asset and open it in the ...

Compiling a blueprint makes the level it is contained in get marked as dirty

Compiling a blueprint that is in a level makes that level get marked as dirty/needing saving. [Image Removed] ...

Vector addition wildcard does not cast from integer to float (double-precision) when split apart vector pin is utilized

Vector addition wildcard does not cast from integer to float (double-precision) when split apart vector pin is utilized. You can also utilize a Vector2D to get the same results. Repro Rate: 3/3 Te ...

Root component transform is reset after reparenting an Actor-based BP with a non-native root to a parent with a native root.

Two conditions for this bug to appear:The new actor class we are re-parenting to overwrites the root component in C++The map is not loaded while re-parenting No current workaround other than to rep ...

Assertion fails when a struct is opened with a BP class reference stored and with that struct as a variable in the BP class that's referenced.

Assertion fails when a struct is opened with a class reference stored and with the struct as a variable in the class that's referenced. A restart is required in order to see this occur. Repro Rate: ...

Splitting a Structure input pin from within a Collapsed node results in duplicate inputs

This is not a regression. Splitting a Structure input pin from within a Collapsed node results in duplicate inputs that over ride any data passed into the struct pin. ...