Unreal Engine Issues

Object Load order issue in Blueprint Editor

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

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 ...

Crash when removing mesh and undoing in Character Blueprint

When removing a mesh from a Character BP and undoing the engine will crash. This issue is occurring in //UE5/Release-5.3 @ CL 26560699 This issue is NOT occurring in //UE5/Release-5.2 @ CL 2600198 ...

Object type properties with instanced modifier in a child actor is lost when saving

Ensure after reparenting Blueprint and moving a property to the new parent

Moving a property from a recently reparented BP to its new parent will assert in  FBlueprintCompileReinstancer::MoveDependentSkelToReinst at  ensure(PrevStructSize == NewStructSize) This only see ...

Level and Blueprint viewports have different behavior when calling FComponentVisualizerManager::HandleClick

User reports a difference in how component visualizer clicks are handled in editor vs blueprint viewports. This is likely not intentional, just a case of a difference in control flow in each viewpor ...