Overriding functions from a parent class then creating a child class creates two copies of the function in the child class.

Gameplay - Blueprint - Jan 14, 2015

When a child blueprint is created from a child of another blueprint that has overridden a function of the original parent blueprint, the child of the child will have two copies of the function. ...

Split Struct Pin on a Function output will return a compiler error

Gameplay - Blueprint - Jan 13, 2015

Split Struct Pin on a Function output will return a compiler error: Error Pin New Param 1 X named NewParam1_X doesn't match any parameters of function NewFunction_0 Error Pin New Param 1 Z name ...

Timeline tracks can be given the same name as existing execution inputs, and renaming them and compiling will cause a crash

Gameplay - Blueprint - Jan 13, 2015

Timeline tracks can be given the same name as existing execution inputs, which causes some unusual behavior when dragging off the pin. Renaming them will rename the execution pin instead, and compil ...

Structure variables in Child Blueprints do not maintain the default values set in their Parent Blueprints

Gameplay - Blueprint - Jan 12, 2015

Values changed to an inherited Struct variable in a Child Blueprint will be kept after compile, but any not changed will be set to 0s. ...

Custom Events with duplicate input names will not compile

Gameplay - Blueprint - Jan 12, 2015

Custom Events with duplicate input names will not compile. This does not occur immediately: creating two Custom Events with two identically named inputs will not cause a compile error, but if you re ...

Duplicating a Timeline from the MyBlueprint tab creates a Timeline variable with no actual Timeline which cannot be renamed

Gameplay - Blueprint - Jan 10, 2015

Duplicating a Timeline from the MyBlueprint tab (instead of duplicating it in the Graph) creates a Timeline variable with no actual Timeline to edit. It is only possible to Set or Get this variable. ...

Get and Set nodes for variables from a BP's parent class will not compile without a reference to Self

Gameplay - Blueprint - Jan 9, 2015

Get and Set nodes for variables from a BP's parent class will not compile without a reference to Self. Without one, the BP fails to compile with the following error: "Error Variable node Get NewVa ...

Crash in Standalone when using a Blueprint Library Function inside a Macro from a Macro Library

Gameplay - Blueprint - Jan 9, 2015

Using a Function from a Blueprint Library inside a Macro from a Macro Library will cause a crash when using Standalone Game for PIE. The same setup will function as expected when Playing in Selected ...

Cast nodes compile without warning when no object is selected/passed in

Gameplay - Blueprint - Jan 8, 2015

Cast nodes compile without warning when no object is assigned to the cast nodes object input pin. ...

Parent blueprint cannot cast 'self' to child blueprint - gets compile error on PIE

Gameplay - Blueprint - Jan 8, 2015

When attempting to cast a parent actor to a child actor, if the parent uses "self" as the target of the cast the blueprint will compile, but when PIE is pressed a compile error will appear. ...