UEFN Parent-Child Actor behavior is broken - ChildActor doesn't maintain relative transform (Patch v29.40 May 3 2024)

Reference ID

698801f1-4ebb-e1c6-7f26-f59eed11f25c

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Assets

Summary

New patch (v29.40 May 3 2024) changed the behaviors of Parent-Child Actor Transform in UEFN editor, where moving parent no longer move the Child Actors (Rotation and Scale also doesn’t work).

I tried in both new Blank Project and existing project, transforming the Parent Actor doesn’t seems to transform the Child Actor anymore. This make authoring reasonably complex scene a nightmare…

[2024-05-03 07-00-39] UEFN Actor Parent Transform Issue - Blank Project (v29.40 May 3 2024)

[2024-05-03 06-51-08] UEFN Actor Parent Transform Issue (v29.40 May 3 2024)

Steps to Reproduce

1. In UEFN, make ChildActor a child of ParentActor.
2. Move/Rotate/Scale ParentActor (expecting ChildActor to maintain relative transform)

[2024-05-03 07-00-39] UEFN Actor Parent Transform Issue - Blank Project (v29.40 May 3 2024)

Expected Result

ChildActor maintain relative transform to ParentActor, and move along with ParentActor.

[2024-05-03 07-00-39] UEFN Actor Parent Transform Issue - Blank Project (v29.40 May 3 2024)

Observed Result

ChildActor did not maintain relative transform, and somehow doesn’t move along with the ParentActor.

Platform(s)

windows

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