In some situations, a Blueprint can become devoid of an Event Graph. While no graphs are present, multiple variables can be created with the same name.

UE - Gameplay - Blueprint Editor - Aug 26, 2024

In some situations, a Blueprint can become devoid of an Event Graph, or be created without one from the start. For example, function "FKismetEditorUtilities::CreateBlueprint()" in UE 5.4 does not ca ...

Default Data Wire Thickness in the Editor Preferences only affects Single Value data wires. Containers (Array, Set, Map) line thickness are wrongly tied to Default Execution Wire Thickness.

UE - Gameplay - Blueprint Editor - Aug 19, 2024

Changing the "Editor Preferences > Content Editors > Graph Editors > Tracing > Default Data Wire Thickness" value in the "Editor Preferences" only affects single value data wires. Containers (Array, ...

UEdGraph pointer data is not correctly un-done and graph nodes are lost when declared as a UObject property

UE - Gameplay - Blueprint Editor - Aug 9, 2024

When an undone operation is done for a UObject property that has a UEdGraph*, the modified UEdGraph nodes are lost. This UObject needs to be created/spawned in an Editor Environment by another Obje ...

All public inline methods of class "FBlueprintEditor" are inaccessible to other modules due to "DLLIMPORT"

UE - Gameplay - Blueprint Editor - Jun 28, 2024

Class "FBlueprintEditor" has several inline getter methods as part of its public API (e.g. GetPreviewActor() and GetPreviewScene()). However, even though they are public, those methods are inaccessi ...

The light in the Blueprint Editor's Preview Scene does not respond to any lighting channel but 0.

UE - Gameplay - Blueprint Editor - Jun 28, 2024

In the Blueprint Editor, Primitive Components can be configured to respond to Lighting Channels 0, 1, and/or 2. However, if channel 0 is disabled (even with another one enabled), the Preview Actor's ...

Search in Blueprint can encounter a deadlock condition when the window is closed before the search finishes and an FText lookup is pending

UE - Gameplay - Blueprint Editor - Jun 19, 2024

When a running search in all blueprints is closed, it may prevent an AsyncTask used to return the look up FText's from StringTables from running on the game thread, leading to a deadlock. When the ...

Non-terminating while loop when creating a new BP Actor and quickly switching between components.

UE - Gameplay - Blueprint Editor - May 14, 2024

It is possible for the while loop in UnrealEditor-SubobjectDataInterface.dll!USubobjectDataSubsystem::GetActorRootHandle(const FSubobjectDataHandle & StartingHandle) Line 815  to not terminate when ...

Crash after 'Reparent Blueprint' when renaming component on-top of orphaned inherited component

UE - Gameplay - Blueprint Editor - May 7, 2024

After reparenting a blueprint and inherited components from the previous parent are removed, trying to give a new component the same name as a previous component causes a crash inside UObject::Renam ...

USplineComponent still editable in viewport despite setting as "read-only".

UE - Gameplay - Blueprint Editor - Apr 29, 2024

A spline component continues to be visible and editable in-editor despite all attempts to disable the functionality through the component's settings or uproperty specifiers. ...