Manually Alt-drag every new comp into the timeline to replace the old ones.
is the "fast-and-loose" alternative. It is better for one-off duplications directly from the timeline without having to open a separate UI panel. How to Install and Use true layer duplicator
Whether you are using a plugin specifically named or configuring custom actions to achieve "Deep Copy" functionality, the goal is the same: Independence. Manually Alt-drag every new comp into the timeline
New comps are automatically placed in the original parent folder, keeping your project window clean. keeping your project window clean.