Unreal Engine Issues

AActor::CheckActorComponents has misleading warning

There's actually two issues going on here: 1. The REINST references are incorrect, and due to [Link Removed]. 2. Blueprint created components will always have different names between the instance ...

Default value propagation of instance subobjects doesn't work consistently

Actors with bGenerateOverlapEventsDuringLevelStreaming don't get EndOverlap event during BeginPlay

There is no indication that CreateDefaultSubobject will not work from within a Component/Nested subobject

We should at least update the comments on the CreateDefaultSubobject function warning people about the troubles and weird behavior that could occur when you call it from within a nested subobject  ...

USplineComponent::FindLocationClosestToWorldLocation does not function correctly with non-uniform scale

Licensee reports incorrect results with FindLocationClosestToWorldLocation when used with non-uniformly scaled spline components. ...

Runtime-generated components stored in the VisibleAnywhere array are not displayed in the detail panel

Runtime-generated components stored in ObjectPtr with VisibleAnywhere are displayed in the details panel, but not for arrays. Applying the following workaround, components can be visible even in ar ...

Duplicate subobjects when you attach to an OptionalDefaultSubobject

I believe that this is happening because of a problem within USubobjectDataSubsystem::FindOrCreateAttachParentForComponent where it is creating duplicates of the character mesh because the "TestScen ...

Ensure tripped: "Template Mismatch during attachment."

Child Actor Components are visible in editor but disappears while playing or simulating.

Child Actor Components are visible in editor but disappear while playing or simulating. On BP_Cube_Row, setting 'Hidden in Game' to true then false during play will make the object appear. Repro Ra ...

Child Actor Components do not update their internal properties when applying instance changes to other instances

Child Actor Components do not update Materials when applying instance changes to other instances. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did occur there, it ...