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

General Issues and Bug Reporting
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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…

Steps to Reproduce

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

Expected Result

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

Observed Result

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

Platform(s)

windows

2

Yeah this is the exact same issue I’m having, glad it’s not just me:

3 Likes
3

The status of FORT-741494 incident has been moved from ‘Unconfirmed’ to ‘Needs Triage’.

2 Likes
4

The team’s looking into it! We’ll let you know when we have a fix.

5

Notice of resolution here:

6

Issue seems to be back, same thing happening with me