Functions containing Unicode characters break nativization on Clang-hosted target platforms.

Gameplay - Blueprint - Sep 15, 2020

The UHT boilerplate code that's generated from a converted Blueprint class header file generated from a Blueprint class containing one or more function names with non-ASCII characters will fail to c ...

Crash running construction script after compiling BP function library

Gameplay - Blueprint - Sep 15, 2020

Editor can assert when changing the signature of an editor authored Blueprint Library Function (FuncA) if that function is called from a Blueprint Library Function (FuncB) via an actor's constructio ...

Many native-only interfaces incorrectly appear as implementable by blueprints

Gameplay - Blueprint - Sep 14, 2020

Right now, any UINTERFACE that is not marked as CannotImplementInterfaceInBlueprint is shown as implementable in blueprint. If these functions have BlueprintCallable functions or related things then ...

Crash renaming nested struct member while the pin is split on a node

Gameplay - Blueprint - Sep 14, 2020

Crash occurs when the user renames a nested struct member variable while there's a struct pin split in a blueprint. ...

Default changes to Gameplay Tag Queries aren't propagated to instances

Gameplay - Blueprint - Sep 3, 2020

Gameplay Tag Query default properties don't automatically update in instances.  ...

DefaultToSelf on a TScriptInterface parameter does not default correctly

Gameplay - Blueprint - Aug 31, 2020

This 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.

Gameplay - Blueprint - Aug 27, 2020

After 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

Gameplay - Blueprint - Aug 25, 2020

From 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

Gameplay - Blueprint - Aug 11, 2020

DataTables 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

Gameplay - Blueprint - Jul 28, 2020

Because 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 ...