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 ...

Actors with bGenerateOverlapEventsDuringLevelStreaming don't get EndOverlap event during BeginPlay

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 ...

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 ...

Component Created in C++ is destroyed before BeginPlay

Tracking a potential issue where components in C++ are being "lost" prior to BeginPlay. Renaming the reference variable seems to work around the issue, but the cause is currently unknown/needs more ...

Editor crash on Instanced Subobjects of an outer class in Class Picker

Static mesh components spawned in the UCS along a spline require lighting to be rebuilt after a map reload.

Seems to be somehow related to components being instanced in the Construction Script according to a spline. The transforms are slightly off by more than 1.e-2f. They are reconstructed on load with a ...