Changes in Child actor components are not propagated to the parent

Development Programming & Scripting Blueprint
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Do you mean I need to change the location of the child actor in the parent BP? For instance to change location of each of the Wall child actors in the DoubleWall BP? Then change it back to the initial value?

If I understand you correctly this would be the approach:

  1. Do the change in the location of the Wall BP. Let’s say I move it up a bit from 0 to 50.
  2. DoubleWall has two Walls and this change to Wall is not reflected right away.
  3. Open DoubleWall and change each Wall child object from 0 to 1 and save.
  4. Change each Wall child object from 1 to 0 and save.
  5. Now both child objects type Wall are moved up by 50 units because unreal updated the Wall instances.

Is this what you mean?