When using DuplicateObject, some aspects of the copied object (such as component transform) are not duplicated to the copy.
Yes - DuplicateObject behaved as expected in 4.15.2
Working - 4.15.2 (CL 3416026)
Broken - 4.16.1 (CL 3466753)
This issue has not been reproduced internally.
There's no existing public thread on this issue, so head over toAnswerHub just mention UE-47640 in the post.