Unreal Engine Issues

Duplicating BP actors reset edited Variables to Default Value if Variables name start with Chinese Character

Hints: It has no problem in 4.24, only happening in 4.25 It has no problem as long as the Variable name is contained with Alphabat(English characters) fully; or start with Alphabat(A_变量 is fine) ...

Blueprint classes are listed in Object pickers, but will not work as expected

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 ...

Reverting a BP interface category does not update the context menu

Actors are not properly restored when undoing a Replace Selected Actors transaction

When undoing a Replace Selected Actors operation, the resulting actor is corrupt and triggers an ensure where the root component is in the process of being destroyed. This is a regression that poppe ...

Allow the choice to implement a BP Interface function as an event OR a function

[Image Removed] This messaging is confusing because it says "Implement Function" when really it creates an event. We need to clear up the messaging here, or provide an option to create it as a fu ...

Pasted variable's default value is not preserved if you compile between undo and redo

If the user compiles the blueprint between undoing and redoing the pasting of a variable, the variable's default value is not retained. ...

Interfaces implemented and then removed from a parent BP still show a phantom reference from child BPs until they are recompiled and saved

See repro steps. The phantom references can be fixed by recompiling the child BP and saving it. Note that just loading ChildBP2 does not fix/remove the reference during compile-on-load, so it's a ...

Nodes of inherited function don't refresh automatically in the opened BP editor if implemented interface is altered

Nodes of inherited function don't refresh automatically in the opened BP editor if implemented interface is changed.Workaround: refresh nodes manually Regression: NO Can be reproduced on the 4.25.1 ...

Crash compiling a blueprint after changing a TMap value from Vector to Vector4

REGRESSION: Issue does not occur in 4.24 Crash occurs when the user changes a blueprint TMap value from Vector to Vector4 and then compiles the blueprint. This seems to only occur with TMaps, as ...

Asset Registry GetDerivedClassNames does not work properly during editor startup

This bug comes from https://udn.unrealengine.com/questions/585499/view.html which describes a problem where a licensee is trying to use the AssetManager to scan a primary asset type that is generate ...