Description

User cannot undo changes if all of the following circumstances are met:

  • The actor resides in a sublevel
  • The sublevel's streaming method is set to "Always Loaded"
  • The user Play in editor (while on the main level (not the sublevel))
  • Changes that are trying to be undone happened before the user used PIE
Steps to Reproduce
  1. Download the attached project
  2. Open the project provided
  3. Move the White Cube
  4. Play in Editor
  5. Stop PIE
  6. Use Ctrl+Z to undo (or use Edit > Undo)

Result: Cannot Undo changes to the actor that belongs to a sublevel
Expected: The position of the actor would undo after playing in the editor (as seen when the sublevel's streaming method is not set to "Always loaded")

Have Comments or More Details?

There's no existing public thread on this issue, so head over toAnswerHub just mention UE-70434 in the post.

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ComponentTools
Affects Versions4.224.21.2
CreatedFeb 21, 2019
UpdatedJul 24, 2019