Material Editor - Connector links disappear after an Undo operation on "Use Material Attributes" and adding any Material Function Node

Summary

All connector nodes in the Material Editor disappear after hitting Undo on “Use Material Attributes” check box and adding any Material Function Node afterwards

Reproduces 100% on UE 5.7.3 and earlier

Please select what you are reporting on:

Creative

What Type of Bug are you experiencing?

Assets

Steps to Reproduce

  • Open any Material
  • Select main Material Node
  • Check “Use Material Attributes” checkbox
  • Undo via Ctrl+Z
  • Add any Material Function Node to the graph

All connector links are gone

Expected Result

Undo should work

Observed Result

All connector links are gone as seen in the video

Platform(s)

Windows

Video