Adding Variable to Struct (Exposed on Spawn) breaks SpawnActor functionality without error/warning

Gameplay - Blueprint - Aug 16, 2018

Adding a variable to a Struct used with SpawnActor breaks functionality without warning. Workaround: Clear Class from SpawnActor and reassign same class User Cites Blueprint Compile manager as fau ...

Level blueprint is being executed twice at start of PIE

Gameplay - Blueprint - Aug 15, 2018

Level blueprint is being executed twice at start of PIE So far I have only seen this behavior with the Print String node when wired to Event Begin Play or Event Tick.  I have been unable to reprod ...

Linker Object (Unresolved Export) Crash on Standalone Exit

Gameplay - Blueprint - Aug 15, 2018

Crash when exiting standalone. "we have an export that is never getting resolved, this is the export that is causing the mislink error when shutting down the game" Please see UDN post for more info ...

Incorrect native code generation when Blueprint nativization is enabled for objects instanced through the editor and assigned to an instanced object reference property on the CDO

Gameplay - Blueprint - Aug 14, 2018

When converting a Blueprint class to native C++ code, we're not currently distinguishing between an instanced default subobject assigned to an instanced object reference property within the CDO that ...

Crash when attempting to save Soft Object Reference

Gameplay - Blueprint - Aug 13, 2018

Engine will crash when attempting to save soft object reference. "FArchive does not support FSoftObjectPtr serialization. Use FArchiveUObject instead." Also reproduced in Main CL #4247864 ...

InputTouch not listed alongside other input events in 'My Blueprint' panel

Gameplay - Blueprint - Aug 9, 2018

InputTouch is not listed with other events/inputs when added to a BP Graph. ...

Nativized widgets that include a custom button cause a crash if Event Driven Loading is enabled

Gameplay - Blueprint - Aug 3, 2018

Nativizing a Blueprint that includes a custom button (a Blueprint parented to the "Button" class) causes a crash when Event Driven Loading is enabled. Disabling Event Driven Loading can workaround t ...

Instance's parameter value for Child BP is not reflected in cooking if parent is nativized

Gameplay - Blueprint - Jul 31, 2018

If an instance of a child BP has a non-default value for its parameters, that value will be ignored in the cooking process if the parent BP is nativized but the child is not and the default value fr ...

Setting Game Instance Class using Selected Asset from Content Browser does not work

Gameplay - Blueprint - Jul 30, 2018

Trying to set the Game Instance Class using the select asset from content browser setting results in the field being set to none. ...

An event with Soft Class Reference as an input that is not set causes package to fail with Nativization

Gameplay - Blueprint - Jul 25, 2018

Having a custom event with an empty Soft Class Reference as an input causes packaging to fail if nativization is enabled as the event nativizes with a const TSoftClassPtr<>& and the compiler cannot ...