Unreal Engine Issues

Ctrl-Click on wires reverses its behavior when multiple wires are connected

Object Load order issue in Blueprint Editor

[Image Removed] change FindObject to StaticLoadObject might fix this issue ...

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.

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, ...

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

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.

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

Actor components in blueprintable structs are uneditable in full BP editor, but not on instanced actors or in data BP editor

When an actor has a blueprintable struct that contains a reference to an actor component and that component is created default in the actor's constructor, the struct and the component will be unedit ...

UObject Macro Libraries cannot use functions that require a WorldContext

If you make a Blueprint Macro Library that derives from UObject you are then unable to use any functions that require a WorldContext, like Delay. This is because the WorldContext cannot be assumed l ...

Blueprint editor can crash on removing one of a Sequence node's exec pins

User reported that upon removing a pin from a Sequence node the editor crashed. This only happened once, so may be a multithreading race condition or there may be additional unknown factors. The cra ...

Renaming a Blueprint interface asset doesn't update the ImplementedInterfaces list in the Blueprint editor's Class Settings tab

There is no UI refresh for the Implemented Interfaces list in the Blueprint editor UI after a Blueprint Interface asset is renamed in the Content Drawer. Consequently, the interface cannot be remove ...

BP timelines: when converting internal curve to external, the external curve isn't used until BP is recompiled

Blueprint timelines: when converting an internal curve to an external curve asset, the curve asset's data isn't used until the blueprint is recompiled. This is confusing as there is no indication th ...